diff --git a/WORKSPACE b/WORKSPACE
index a8a31a1..20253d9 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "714a32382ebd02919007d3514513af4395768d80",
+    commit = "b54eaed487d37188120da6933b97c571519954ca",
     #local_path = "/home/<user>/projects/bazlets",
 )
 
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/ExecutorProvider.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/ExecutorProvider.java
index ea283d5..597034d 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/ExecutorProvider.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/ExecutorProvider.java
@@ -18,9 +18,10 @@
 import com.google.gerrit.server.git.WorkQueue;
 import com.google.inject.Provider;
 import java.util.concurrent.Executor;
+import java.util.concurrent.ExecutorService;
 
 public abstract class ExecutorProvider implements Provider<Executor>, LifecycleListener {
-  private WorkQueue.Executor executor;
+  private ExecutorService executor;
 
   protected ExecutorProvider(WorkQueue workQueue, int threadPoolSize, String threadNamePrefix) {
     executor = workQueue.createQueue(threadPoolSize, threadNamePrefix);
@@ -34,7 +35,6 @@
   @Override
   public void stop() {
     executor.shutdown();
-    executor.unregisterWorkQueue();
     executor = null;
   }
 
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/AccountReindexRunnable.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/AccountReindexRunnable.java
index 3b315a7..487f3da 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/AccountReindexRunnable.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/AccountReindexRunnable.java
@@ -19,9 +19,9 @@
 import com.ericsson.gerrit.plugins.highavailability.forwarder.rest.AbstractIndexRestApiServlet;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.server.account.Accounts;
 import com.google.gerrit.server.util.OneOffRequestContext;
 import com.google.gwtorm.server.OrmException;
-import com.google.gwtorm.server.ResultSet;
 import com.google.inject.Inject;
 import java.io.IOException;
 import java.sql.Timestamp;
@@ -34,16 +34,22 @@
 
   private final ForwardedIndexAccountHandler accountIdx;
 
+  private final Accounts accounts;
+
   @Inject
   public AccountReindexRunnable(
-      ForwardedIndexAccountHandler accountIdx, IndexTs indexTs, OneOffRequestContext ctx) {
+      ForwardedIndexAccountHandler accountIdx,
+      IndexTs indexTs,
+      OneOffRequestContext ctx,
+      Accounts accounts) {
     super(AbstractIndexRestApiServlet.IndexName.ACCOUNT, indexTs, ctx);
     this.accountIdx = accountIdx;
+    this.accounts = accounts;
   }
 
   @Override
-  protected ResultSet<Account> fetchItems(ReviewDb db) throws OrmException {
-    return db.accounts().all();
+  protected Iterable<Account> fetchItems(ReviewDb db) throws Exception {
+    return accounts.all();
   }
 
   @Override
@@ -52,7 +58,7 @@
       Timestamp accountTs = a.getRegisteredOn();
       if (accountTs.after(sinceTs)) {
         log.info("Index {}/{}/{}/{}", a.getId(), a.getFullName(), a.getPreferredEmail(), accountTs);
-        accountIdx.index(a.getId(), Operation.INDEX);
+        accountIdx.index(a.getId(), Operation.INDEX, Optional.empty());
         return Optional.of(accountTs);
       }
     } catch (IOException | OrmException e) {
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/AutoReindexScheduler.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/AutoReindexScheduler.java
index 075d718..c0d90d1 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/AutoReindexScheduler.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/AutoReindexScheduler.java
@@ -22,6 +22,7 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.Future;
+import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -33,7 +34,7 @@
   private final ChangeReindexRunnable changeReindex;
   private final AccountReindexRunnable accountReindex;
   private final GroupReindexRunnable groupReindex;
-  private final WorkQueue.Executor executor;
+  private final ScheduledExecutorService executor;
   private final List<Future<?>> futureTasks = new ArrayList<>();
 
   @Inject
@@ -75,6 +76,5 @@
   public void stop() {
     futureTasks.forEach(t -> t.cancel(true));
     executor.shutdown();
-    executor.unregisterWorkQueue();
   }
 }
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/ChangeReindexRunnable.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/ChangeReindexRunnable.java
index 3c4f6ec..62a9792 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/ChangeReindexRunnable.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/ChangeReindexRunnable.java
@@ -17,15 +17,23 @@
 import com.ericsson.gerrit.plugins.highavailability.forwarder.ForwardedIndexChangeHandler;
 import com.ericsson.gerrit.plugins.highavailability.forwarder.ForwardedIndexingHandler.Operation;
 import com.ericsson.gerrit.plugins.highavailability.forwarder.rest.AbstractIndexRestApiServlet;
+import com.google.common.collect.Streams;
 import com.google.gerrit.reviewdb.client.Change;
+import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.server.git.GitRepositoryManager;
+import com.google.gerrit.server.notedb.ChangeNotes;
+import com.google.gerrit.server.notedb.ChangeNotes.Factory.ChangeNotesResult;
+import com.google.gerrit.server.project.ProjectCache;
 import com.google.gerrit.server.util.OneOffRequestContext;
 import com.google.gwtorm.server.OrmException;
-import com.google.gwtorm.server.ResultSet;
 import com.google.inject.Inject;
 import java.io.IOException;
 import java.sql.Timestamp;
+import java.util.Iterator;
 import java.util.Optional;
+import java.util.stream.Stream;
+import org.eclipse.jgit.lib.Repository;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -34,16 +42,58 @@
 
   private final ForwardedIndexChangeHandler changeIdx;
 
+  private final ProjectCache projectCache;
+
+  private final GitRepositoryManager repoManager;
+
+  private final ChangeNotes.Factory notesFactory;
+
+  private static class StreamIterable implements Iterable<Change> {
+
+    private final Stream<Change> stream;
+
+    public StreamIterable(Stream<Change> stream) {
+      this.stream = stream;
+    }
+
+    @Override
+    public Iterator<Change> iterator() {
+      return stream.iterator();
+    }
+  }
+
   @Inject
   public ChangeReindexRunnable(
-      ForwardedIndexChangeHandler changeIdx, IndexTs indexTs, OneOffRequestContext ctx) {
+      ForwardedIndexChangeHandler changeIdx,
+      IndexTs indexTs,
+      OneOffRequestContext ctx,
+      ProjectCache projectCache,
+      GitRepositoryManager repoManager,
+      ChangeNotes.Factory notesFactory) {
     super(AbstractIndexRestApiServlet.IndexName.CHANGE, indexTs, ctx);
     this.changeIdx = changeIdx;
+    this.projectCache = projectCache;
+    this.repoManager = repoManager;
+    this.notesFactory = notesFactory;
   }
 
   @Override
-  protected ResultSet<Change> fetchItems(ReviewDb db) throws OrmException {
-    return db.changes().all();
+  protected Iterable<Change> fetchItems(ReviewDb db) throws Exception {
+    Stream<Change> allChangesStream = Stream.empty();
+    Iterable<Project.NameKey> projects = projectCache.all();
+    for (Project.NameKey projectName : projects) {
+      try (Repository repo = repoManager.openRepository(projectName)) {
+        Stream<Change> projectChangesStream =
+            notesFactory
+                .scan(repo, db, projectName)
+                .map(
+                    (ChangeNotesResult changeNotes) -> {
+                      return changeNotes.notes().getChange();
+                    });
+        allChangesStream = Streams.concat(allChangesStream, projectChangesStream);
+      }
+    }
+    return new StreamIterable(allChangesStream);
   }
 
   @Override
@@ -53,7 +103,7 @@
       if (changeTs.after(sinceTs)) {
         log.info(
             "Index {}/{}/{} was updated after {}", c.getProject(), c.getId(), changeTs, sinceTs);
-        changeIdx.index(c.getId(), Operation.INDEX);
+        changeIdx.index(c.getProject() + "~" + c.getId(), Operation.INDEX, Optional.empty());
         return Optional.of(changeTs);
       }
     } catch (OrmException | IOException e) {
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/GroupReindexRunnable.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/GroupReindexRunnable.java
index 9e3ddc9..d14b5da 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/GroupReindexRunnable.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/GroupReindexRunnable.java
@@ -76,7 +76,7 @@
 
       if (groupLastTs.isPresent() && groupLastTs.get().after(sinceTs)) {
         log.info("Index {}/{}/{}", g.getGroupUUID(), g.getName(), groupLastTs.get());
-        indexer.index(g.getGroupUUID(), Operation.INDEX);
+        indexer.index(g.getGroupUUID(), Operation.INDEX, Optional.empty());
         return groupLastTs;
       }
     } catch (OrmException | IOException e) {
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/IndexTs.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/IndexTs.java
index 2c19ce7..944dcdb 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/IndexTs.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/IndexTs.java
@@ -20,9 +20,10 @@
 import com.google.gerrit.extensions.events.AccountIndexedListener;
 import com.google.gerrit.extensions.events.ChangeIndexedListener;
 import com.google.gerrit.extensions.events.GroupIndexedListener;
-import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.server.ChangeFinder;
 import com.google.gerrit.server.git.WorkQueue;
+import com.google.gerrit.server.notedb.ChangeNotes;
 import com.google.gwtorm.server.OrmException;
 import com.google.gwtorm.server.SchemaFactory;
 import com.google.inject.Inject;
@@ -36,6 +37,7 @@
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Optional;
+import java.util.concurrent.ScheduledExecutorService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -46,9 +48,10 @@
   private static final DateTimeFormatter formatter = DateTimeFormatter.ISO_DATE_TIME;
 
   private final Path dataDir;
-  private final WorkQueue.Executor exec;
+  private final ScheduledExecutorService exec;
   private final FlusherRunner flusher;
   private final SchemaFactory<ReviewDb> schemaFactory;
+  private final ChangeFinder changeFinder;
 
   private volatile LocalDateTime changeTs;
   private volatile LocalDateTime accountTs;
@@ -79,11 +82,16 @@
   }
 
   @Inject
-  public IndexTs(@PluginData Path dataDir, WorkQueue queue, SchemaFactory<ReviewDb> schemaFactory) {
+  public IndexTs(
+      @PluginData Path dataDir,
+      WorkQueue queue,
+      SchemaFactory<ReviewDb> schemaFactory,
+      ChangeFinder changeFinder) {
     this.dataDir = dataDir;
     this.exec = queue.getDefaultQueue();
     this.flusher = new FlusherRunner();
     this.schemaFactory = schemaFactory;
+    this.changeFinder = changeFinder;
   }
 
   @Override
@@ -97,13 +105,14 @@
   }
 
   @Override
-  public void onChangeIndexed(int id) {
-    Change change = null;
+  public void onChangeIndexed(String projectName, int id) {
     try (ReviewDb db = schemaFactory.open()) {
-      change = db.changes().get(new Change.Id(id));
+      ChangeNotes changeNotes = changeFinder.findOne(projectName + "~" + id);
       update(
           IndexName.CHANGE,
-          change == null ? LocalDateTime.now() : change.getLastUpdatedOn().toLocalDateTime());
+          changeNotes == null
+              ? LocalDateTime.now()
+              : changeNotes.getChange().getLastUpdatedOn().toLocalDateTime());
     } catch (OrmException e) {
       log.warn("Unable to update the latest TS for change {}", e);
     }
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/ReindexRunnable.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/ReindexRunnable.java
index bf4b607..7891bbf 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/ReindexRunnable.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/autoreindex/ReindexRunnable.java
@@ -19,8 +19,6 @@
 import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.util.ManualRequestContext;
 import com.google.gerrit.server.util.OneOffRequestContext;
-import com.google.gwtorm.server.OrmException;
-import com.google.gwtorm.server.ResultSet;
 import com.google.inject.Inject;
 import java.sql.Timestamp;
 import java.time.LocalDateTime;
@@ -92,7 +90,7 @@
     }
   }
 
-  protected abstract ResultSet<T> fetchItems(ReviewDb db) throws OrmException;
+  protected abstract Iterable<T> fetchItems(ReviewDb db) throws Exception;
 
   protected abstract Optional<Timestamp> indexIfNeeded(ReviewDb db, T item, Timestamp sinceTs);
 }
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedAwareEventBroker.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedAwareEventBroker.java
index 57b23dd..b3696fb 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedAwareEventBroker.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedAwareEventBroker.java
@@ -21,6 +21,7 @@
 import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.events.Event;
 import com.google.gerrit.server.notedb.ChangeNotes.Factory;
+import com.google.gerrit.server.permissions.PermissionBackend;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
@@ -31,10 +32,17 @@
   ForwardedAwareEventBroker(
       DynamicSet<UserScopedEventListener> listeners,
       DynamicSet<EventListener> unrestrictedListeners,
+      PermissionBackend permissionBackend,
       ProjectCache projectCache,
       Factory notesFactory,
       Provider<ReviewDb> dbProvider) {
-    super(listeners, unrestrictedListeners, projectCache, notesFactory, dbProvider);
+    super(
+        listeners,
+        unrestrictedListeners,
+        permissionBackend,
+        projectCache,
+        notesFactory,
+        dbProvider);
   }
 
   @Override
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedEventHandler.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedEventHandler.java
index 6a0a672..4e01abf 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedEventHandler.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedEventHandler.java
@@ -16,6 +16,7 @@
 
 import com.google.gerrit.common.EventDispatcher;
 import com.google.gerrit.server.events.Event;
+import com.google.gerrit.server.permissions.PermissionBackendException;
 import com.google.gwtorm.server.OrmException;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
@@ -44,7 +45,7 @@
    * @param event The event to dispatch
    * @throws OrmException If an error occur while retrieving the change the event belongs to.
    */
-  public void dispatch(Event event) throws OrmException {
+  public void dispatch(Event event) throws OrmException, PermissionBackendException {
     try {
       Context.setForwardedEvent(true);
       log.debug("dispatching event {}", event.getType());
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexAccountHandler.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexAccountHandler.java
index 42d2123..c68e058 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexAccountHandler.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexAccountHandler.java
@@ -20,6 +20,7 @@
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import java.io.IOException;
+import java.util.Optional;
 
 /**
  * Index an account using {@link AccountIndexer}. This class is meant to be used on the receiving
@@ -37,13 +38,14 @@
   }
 
   @Override
-  protected void doIndex(Account.Id id) throws IOException, OrmException {
+  protected void doIndex(Account.Id id, Optional<IndexEvent> indexEvent)
+      throws IOException, OrmException {
     indexer.index(id);
     log.debug("Account {} successfully indexed", id);
   }
 
   @Override
-  protected void doDelete(Account.Id id) {
+  protected void doDelete(Account.Id id, Optional<IndexEvent> indexEvent) {
     throw new UnsupportedOperationException("Delete from account index not supported");
   }
 }
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexChangeHandler.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexChangeHandler.java
index c419081..1bd1847 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexChangeHandler.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexChangeHandler.java
@@ -14,16 +14,19 @@
 
 package com.ericsson.gerrit.plugins.highavailability.forwarder;
 
+import com.google.common.base.Splitter;
 import com.google.gerrit.reviewdb.client.Change;
-import com.google.gerrit.reviewdb.client.Change.Id;
 import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.server.ChangeFinder;
 import com.google.gerrit.server.index.change.ChangeIndexer;
+import com.google.gerrit.server.notedb.ChangeNotes;
 import com.google.gerrit.server.project.NoSuchChangeException;
 import com.google.gwtorm.server.OrmException;
 import com.google.gwtorm.server.SchemaFactory;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import java.io.IOException;
+import java.util.Optional;
 
 /**
  * Index a change using {@link ChangeIndexer}. This class is meant to be used on the receiving side
@@ -32,43 +35,53 @@
  * done for the same change id
  */
 @Singleton
-public class ForwardedIndexChangeHandler extends ForwardedIndexingHandler<Change.Id> {
+public class ForwardedIndexChangeHandler extends ForwardedIndexingHandler<String> {
   private final ChangeIndexer indexer;
   private final SchemaFactory<ReviewDb> schemaFactory;
+  private final ChangeFinder changeFinder;
 
   @Inject
-  ForwardedIndexChangeHandler(ChangeIndexer indexer, SchemaFactory<ReviewDb> schemaFactory) {
+  ForwardedIndexChangeHandler(
+      ChangeIndexer indexer, SchemaFactory<ReviewDb> schemaFactory, ChangeFinder changeFinder) {
     this.indexer = indexer;
     this.schemaFactory = schemaFactory;
+    this.changeFinder = changeFinder;
   }
 
   @Override
-  protected void doIndex(Change.Id id) throws IOException, OrmException {
-    Change change = null;
+  protected void doIndex(String id, Optional<IndexEvent> indexEvent)
+      throws IOException, OrmException {
+    ChangeNotes change = null;
     try (ReviewDb db = schemaFactory.open()) {
-      change = db.changes().get(id);
+      change = changeFinder.findOne(id);
       if (change != null) {
-        indexer.index(db, change);
+        change.reload();
+        indexer.index(db, change.getChange());
         log.debug("Change {} successfully indexed", id);
       }
     } catch (Exception e) {
       if (!isCausedByNoSuchChangeException(e)) {
         throw e;
       }
-      log.debug("Change {} was deleted, aborting forwarded indexing the change.", id.get());
+      log.debug("Change {} was deleted, aborting forwarded indexing the change.", id);
     }
     if (change == null) {
-      indexer.delete(id);
+      indexer.delete(parseChangeId(id));
       log.debug("Change {} not found, deleted from index", id);
     }
   }
 
   @Override
-  protected void doDelete(Id id) throws IOException {
-    indexer.delete(id);
+  protected void doDelete(String id, Optional<IndexEvent> indexEvent) throws IOException {
+    indexer.delete(parseChangeId(id));
     log.debug("Change {} successfully deleted from index", id);
   }
 
+  private static Change.Id parseChangeId(String id) {
+    Change.Id changeId = new Change.Id(Integer.parseInt(Splitter.on("~").splitToList(id).get(1)));
+    return changeId;
+  }
+
   private static boolean isCausedByNoSuchChangeException(Throwable throwable) {
     while (throwable != null) {
       if (throwable instanceof NoSuchChangeException) {
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexGroupHandler.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexGroupHandler.java
index c518484..7305ae6 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexGroupHandler.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexGroupHandler.java
@@ -20,6 +20,7 @@
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import java.io.IOException;
+import java.util.Optional;
 
 /**
  * Index a group using {@link GroupIndexer}. This class is meant to be used on the receiving side of
@@ -37,13 +38,14 @@
   }
 
   @Override
-  protected void doIndex(AccountGroup.UUID uuid) throws IOException, OrmException {
+  protected void doIndex(AccountGroup.UUID uuid, Optional<IndexEvent> indexEvent)
+      throws IOException, OrmException {
     indexer.index(uuid);
     log.debug("Group {} successfully indexed", uuid);
   }
 
   @Override
-  protected void doDelete(AccountGroup.UUID uuid) {
+  protected void doDelete(AccountGroup.UUID uuid, Optional<IndexEvent> indexEvent) {
     throw new UnsupportedOperationException("Delete from group index not supported");
   }
 }
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexingHandler.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexingHandler.java
index e64d97b..f419216 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexingHandler.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexingHandler.java
@@ -17,6 +17,7 @@
 import com.google.common.util.concurrent.Striped;
 import com.google.gwtorm.server.OrmException;
 import java.io.IOException;
+import java.util.Optional;
 import java.util.concurrent.locks.Lock;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -42,20 +43,23 @@
 
   private final Striped<Lock> idLocks = Striped.lock(10);
 
-  protected abstract void doIndex(T id) throws IOException, OrmException;
+  protected abstract void doIndex(T id, Optional<IndexEvent> indexEvent)
+      throws IOException, OrmException;
 
-  protected abstract void doDelete(T id) throws IOException;
+  protected abstract void doDelete(T id, Optional<IndexEvent> indexEvent) throws IOException;
 
   /**
    * Index an item in the local node, indexing will not be forwarded to the other node.
    *
    * @param id The id to index.
    * @param operation The operation to do; index or delete
+   * @param indexEvent The index event details.
    * @throws IOException If an error occur while indexing.
    * @throws OrmException If an error occur while retrieving a change related to the item to index
    */
-  public void index(T id, Operation operation) throws IOException, OrmException {
-    log.debug("{} {}", operation, id);
+  public void index(T id, Operation operation, Optional<IndexEvent> indexEvent)
+      throws IOException, OrmException {
+    log.debug("{} {} {}", operation, id, indexEvent);
     try {
       Context.setForwardedEvent(true);
       Lock idLock = idLocks.get(id);
@@ -63,10 +67,10 @@
       try {
         switch (operation) {
           case INDEX:
-            doIndex(id);
+            doIndex(id, indexEvent);
             break;
           case DELETE:
-            doDelete(id);
+            doDelete(id, indexEvent);
             break;
           default:
             log.error("unexpected operation: {}", operation);
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/Forwarder.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/Forwarder.java
index 12449de..b156563 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/Forwarder.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/Forwarder.java
@@ -23,33 +23,38 @@
    * Forward a account indexing event to the other master.
    *
    * @param accountId the account to index.
+   * @param indexEvent the details of the index event.
    * @return true if successful, otherwise false.
    */
-  boolean indexAccount(int accountId);
+  boolean indexAccount(int accountId, IndexEvent indexEvent);
 
   /**
    * Forward a change indexing event to the other master.
    *
+   * @param projectName the project of the change to index.
    * @param changeId the change to index.
+   * @param indexEvent the details of the index event.
    * @return true if successful, otherwise false.
    */
-  boolean indexChange(int changeId);
+  boolean indexChange(String projectName, int changeId, IndexEvent indexEvent);
 
   /**
    * Forward a delete change from index event to the other master.
    *
    * @param changeId the change to remove from the index.
+   * @param indexEvent the details of the index event.
    * @return rue if successful, otherwise false.
    */
-  boolean deleteChangeFromIndex(int changeId);
+  boolean deleteChangeFromIndex(int changeId, IndexEvent indexEvent);
 
   /**
    * Forward a group indexing event to the other master.
    *
    * @param uuid the group to index.
+   * @param indexEvent the details of the index event.
    * @return true if successful, otherwise false.
    */
-  boolean indexGroup(String uuid);
+  boolean indexGroup(String uuid, IndexEvent indexEvent);
 
   /**
    * Forward a stream event to the other master.
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/IndexEvent.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/IndexEvent.java
new file mode 100644
index 0000000..f6f24a7
--- /dev/null
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/IndexEvent.java
@@ -0,0 +1,30 @@
+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.ericsson.gerrit.plugins.highavailability.forwarder;
+
+import java.time.LocalDateTime;
+import java.time.ZoneOffset;
+import java.time.format.DateTimeFormatter;
+
+public class IndexEvent {
+  public long eventCreatedOn = System.currentTimeMillis() / 1000;
+
+  @Override
+  public String toString() {
+    return "IndexEvent@"
+        + LocalDateTime.ofEpochSecond(eventCreatedOn, 0, ZoneOffset.UTC)
+            .format(DateTimeFormatter.ISO_DATE_TIME);
+  }
+}
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/AbstractIndexRestApiServlet.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/AbstractIndexRestApiServlet.java
index a6e9395..8c429de 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/AbstractIndexRestApiServlet.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/AbstractIndexRestApiServlet.java
@@ -21,13 +21,20 @@
 
 import com.ericsson.gerrit.plugins.highavailability.forwarder.ForwardedIndexingHandler;
 import com.ericsson.gerrit.plugins.highavailability.forwarder.ForwardedIndexingHandler.Operation;
+import com.ericsson.gerrit.plugins.highavailability.forwarder.IndexEvent;
+import com.google.common.base.Charsets;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
 import com.google.gwtorm.server.OrmException;
 import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Optional;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 public abstract class AbstractIndexRestApiServlet<T> extends AbstractRestApiServlet {
   private static final long serialVersionUID = -1L;
+  private static final Gson gson = new GsonBuilder().create();
 
   private final ForwardedIndexingHandler<T> forwardedIndexingHandler;
   private final IndexName indexName;
@@ -77,10 +84,10 @@
 
   private void process(HttpServletRequest req, HttpServletResponse rsp, Operation operation) {
     setHeaders(rsp);
-    String path = req.getPathInfo();
+    String path = req.getRequestURI();
     T id = parse(path.substring(path.lastIndexOf('/') + 1));
     try {
-      forwardedIndexingHandler.index(id, operation);
+      forwardedIndexingHandler.index(id, operation, parseBody(req));
       rsp.setStatus(SC_NO_CONTENT);
     } catch (IOException e) {
       sendError(rsp, SC_CONFLICT, e.getMessage());
@@ -91,4 +98,14 @@
       log.debug(msg, e);
     }
   }
+
+  protected Optional<IndexEvent> parseBody(HttpServletRequest req) throws IOException {
+    String contentType = req.getContentType();
+    if (contentType != null && contentType.contains("application/json")) {
+      return Optional.ofNullable(
+          gson.fromJson(
+              new InputStreamReader(req.getInputStream(), Charsets.UTF_8), IndexEvent.class));
+    }
+    return Optional.empty();
+  }
 }
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/EventRestApiServlet.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/EventRestApiServlet.java
index fad5cb3..2636df4 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/EventRestApiServlet.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/EventRestApiServlet.java
@@ -27,6 +27,7 @@
 import com.google.gerrit.server.events.Event;
 import com.google.gerrit.server.events.EventDeserializer;
 import com.google.gerrit.server.events.SupplierDeserializer;
+import com.google.gerrit.server.permissions.PermissionBackendException;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import com.google.gwtorm.server.OrmException;
@@ -60,7 +61,7 @@
     } catch (OrmException e) {
       log.debug("Error trying to find a change ", e);
       sendError(rsp, SC_NOT_FOUND, "Change not found\n");
-    } catch (IOException e) {
+    } catch (IOException | PermissionBackendException e) {
       log.error("Unable to re-trigger event", e);
       sendError(rsp, SC_BAD_REQUEST, e.getMessage());
     }
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/HttpSession.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/HttpSession.java
index d3fce97..253dca7 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/HttpSession.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/HttpSession.java
@@ -16,14 +16,19 @@
 
 import com.ericsson.gerrit.plugins.highavailability.forwarder.rest.HttpResponseHandler.HttpResult;
 import com.ericsson.gerrit.plugins.highavailability.peers.PeerInfo;
-import com.google.common.base.Strings;
+import com.google.common.base.Supplier;
 import com.google.common.net.MediaType;
+import com.google.gerrit.server.events.SupplierSerializer;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import java.io.IOException;
+import java.net.URI;
 import java.nio.charset.StandardCharsets;
 import java.util.Optional;
 import org.apache.http.client.methods.HttpDelete;
+import org.apache.http.client.methods.HttpEntityEnclosingRequestBase;
 import org.apache.http.client.methods.HttpPost;
 import org.apache.http.entity.StringEntity;
 import org.apache.http.impl.client.CloseableHttpClient;
@@ -31,6 +36,8 @@
 class HttpSession {
   private final CloseableHttpClient httpClient;
   private final Provider<Optional<PeerInfo>> peerInfo;
+  private final Gson gson =
+      new GsonBuilder().registerTypeAdapter(Supplier.class, new SupplierSerializer()).create();
 
   @Inject
   HttpSession(CloseableHttpClient httpClient, Provider<Optional<PeerInfo>> peerInfo) {
@@ -42,18 +49,14 @@
     return post(endpoint, null);
   }
 
-  HttpResult post(String endpoint, String content) throws IOException {
+  HttpResult post(String endpoint, Object content) throws IOException {
     HttpPost post = new HttpPost(getPeerInfo().getDirectUrl() + endpoint);
-    if (!Strings.isNullOrEmpty(content)) {
-      post.addHeader("Content-Type", MediaType.JSON_UTF_8.toString());
-      post.setEntity(new StringEntity(content, StandardCharsets.UTF_8));
-    }
+    setContent(post, content);
     return httpClient.execute(post, new HttpResponseHandler());
   }
 
   HttpResult delete(String endpoint) throws IOException {
-    return httpClient.execute(
-        new HttpDelete(getPeerInfo().getDirectUrl() + endpoint), new HttpResponseHandler());
+    return delete(endpoint, null);
   }
 
   private PeerInfo getPeerInfo() throws PeerInfoNotAvailableException {
@@ -63,4 +66,35 @@
     }
     return info;
   }
+
+  HttpResult delete(String endpoint, Object content) throws IOException {
+    HttpDeleteWithBody delete = new HttpDeleteWithBody(getPeerInfo().getDirectUrl() + endpoint);
+    setContent(delete, content);
+    return httpClient.execute(delete, new HttpResponseHandler());
+  }
+
+  private void setContent(HttpEntityEnclosingRequestBase request, Object content) {
+    if (content != null) {
+      request.addHeader("Content-Type", MediaType.JSON_UTF_8.toString());
+      request.setEntity(new StringEntity(jsonEncode(content), StandardCharsets.UTF_8));
+    }
+  }
+
+  private String jsonEncode(Object content) {
+    if (content instanceof String) {
+      return (String) content;
+    }
+    return gson.toJson(content);
+  }
+
+  private class HttpDeleteWithBody extends HttpEntityEnclosingRequestBase {
+    @Override
+    public String getMethod() {
+      return HttpDelete.METHOD_NAME;
+    }
+
+    private HttpDeleteWithBody(String uri) {
+      setURI(URI.create(uri));
+    }
+  }
 }
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexChangeRestApiServlet.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexChangeRestApiServlet.java
index a702478..046611e 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexChangeRestApiServlet.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexChangeRestApiServlet.java
@@ -15,12 +15,12 @@
 package com.ericsson.gerrit.plugins.highavailability.forwarder.rest;
 
 import com.ericsson.gerrit.plugins.highavailability.forwarder.ForwardedIndexChangeHandler;
-import com.google.gerrit.reviewdb.client.Change;
+import com.google.gerrit.extensions.restapi.Url;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 
 @Singleton
-class IndexChangeRestApiServlet extends AbstractIndexRestApiServlet<Change.Id> {
+class IndexChangeRestApiServlet extends AbstractIndexRestApiServlet<String> {
   private static final long serialVersionUID = -1L;
 
   @Inject
@@ -29,7 +29,7 @@
   }
 
   @Override
-  Change.Id parse(String id) {
-    return new Change.Id(Integer.parseInt(id));
+  String parse(String id) {
+    return Url.decode(id);
   }
 }
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/RestForwarder.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/RestForwarder.java
index e430fea..1e9e931 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/RestForwarder.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/RestForwarder.java
@@ -17,14 +17,12 @@
 import com.ericsson.gerrit.plugins.highavailability.Configuration;
 import com.ericsson.gerrit.plugins.highavailability.cache.Constants;
 import com.ericsson.gerrit.plugins.highavailability.forwarder.Forwarder;
+import com.ericsson.gerrit.plugins.highavailability.forwarder.IndexEvent;
 import com.ericsson.gerrit.plugins.highavailability.forwarder.rest.HttpResponseHandler.HttpResult;
 import com.google.common.base.Joiner;
-import com.google.common.base.Supplier;
 import com.google.gerrit.extensions.annotations.PluginName;
 import com.google.gerrit.extensions.restapi.Url;
 import com.google.gerrit.server.events.Event;
-import com.google.gerrit.server.events.SupplierSerializer;
-import com.google.gson.GsonBuilder;
 import com.google.inject.Inject;
 import java.io.IOException;
 import javax.net.ssl.SSLException;
@@ -48,48 +46,55 @@
   }
 
   @Override
-  public boolean indexAccount(final int accountId) {
+  public boolean indexAccount(final int accountId, IndexEvent event) {
     return new Request("index account", accountId) {
       @Override
       HttpResult send() throws IOException {
         return httpSession.post(
-            Joiner.on("/").join(pluginRelativePath, "index/account", accountId));
+            Joiner.on("/").join(pluginRelativePath, "index/account", accountId), event);
       }
     }.execute();
   }
 
   @Override
-  public boolean indexChange(final int changeId) {
+  public boolean indexChange(String projectName, int changeId, IndexEvent event) {
     return new Request("index change", changeId) {
       @Override
       HttpResult send() throws IOException {
-        return httpSession.post(buildIndexEndpoint(changeId));
+        return httpSession.post(buildIndexEndpoint(projectName, changeId), event);
       }
     }.execute();
   }
 
   @Override
-  public boolean deleteChangeFromIndex(final int changeId) {
+  public boolean deleteChangeFromIndex(final int changeId, IndexEvent event) {
     return new Request("delete change", changeId) {
       @Override
       HttpResult send() throws IOException {
-        return httpSession.delete(buildIndexEndpoint(changeId));
+        return httpSession.delete(buildIndexEndpoint(changeId), event);
       }
     }.execute();
   }
 
   @Override
-  public boolean indexGroup(final String uuid) {
+  public boolean indexGroup(final String uuid, IndexEvent event) {
     return new Request("index group", uuid) {
       @Override
       HttpResult send() throws IOException {
-        return httpSession.post(Joiner.on("/").join(pluginRelativePath, "index/group", uuid));
+        return httpSession.post(
+            Joiner.on("/").join(pluginRelativePath, "index/group", uuid), event);
       }
     }.execute();
   }
 
   private String buildIndexEndpoint(int changeId) {
-    return Joiner.on("/").join(pluginRelativePath, "index/change", changeId);
+    return buildIndexEndpoint("", changeId);
+  }
+
+  private String buildIndexEndpoint(String projectName, int changeId) {
+    String escapedProjectName = Url.encode(projectName);
+    return Joiner.on("/")
+        .join(pluginRelativePath, "index/change", escapedProjectName + '~' + changeId);
   }
 
   @Override
@@ -97,12 +102,7 @@
     return new Request("send event", event.type) {
       @Override
       HttpResult send() throws IOException {
-        String serializedEvent =
-            new GsonBuilder()
-                .registerTypeAdapter(Supplier.class, new SupplierSerializer())
-                .create()
-                .toJson(event);
-        return httpSession.post(Joiner.on("/").join(pluginRelativePath, "event"), serializedEvent);
+        return httpSession.post(Joiner.on("/").join(pluginRelativePath, "event"), event);
       }
     }.execute();
   }
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/RestForwarderServletModule.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/RestForwarderServletModule.java
index eb83809..9752e1a 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/RestForwarderServletModule.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/RestForwarderServletModule.java
@@ -20,7 +20,7 @@
   @Override
   protected void configureServlets() {
     serveRegex("/index/account/\\d+$").with(IndexAccountRestApiServlet.class);
-    serveRegex("/index/change/\\d+$").with(IndexChangeRestApiServlet.class);
+    serveRegex("/index/change/.*$").with(IndexChangeRestApiServlet.class);
     serveRegex("/index/group/\\w+$").with(IndexGroupRestApiServlet.class);
     serve("/event").with(EventRestApiServlet.class);
     serve("/cache/project_list/*").with(ProjectListApiServlet.class);
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/health/HealthServlet.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/health/HealthServlet.java
index b12fdfb..6d98d83 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/health/HealthServlet.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/health/HealthServlet.java
@@ -14,6 +14,7 @@
 
 package com.ericsson.gerrit.plugins.highavailability.health;
 
+import static com.google.gerrit.server.permissions.GlobalPermission.ADMINISTRATE_SERVER;
 import static javax.servlet.http.HttpServletResponse.SC_FORBIDDEN;
 import static javax.servlet.http.HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
 import static javax.servlet.http.HttpServletResponse.SC_NO_CONTENT;
@@ -21,6 +22,7 @@
 
 import com.google.gerrit.extensions.annotations.PluginData;
 import com.google.gerrit.server.CurrentUser;
+import com.google.gerrit.server.permissions.PermissionBackend;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import com.google.inject.Singleton;
@@ -41,17 +43,22 @@
   private static final long serialVersionUID = -1L;
 
   private final Provider<CurrentUser> currentUserProvider;
+  private final PermissionBackend permissionBackend;
   private final File unhealthyFile;
 
   @Inject
-  HealthServlet(Provider<CurrentUser> currentUserProvider, @PluginData Path pluginDataDir) {
+  HealthServlet(
+      Provider<CurrentUser> currentUserProvider,
+      PermissionBackend permissionBackend,
+      @PluginData Path pluginDataDir) {
     this.currentUserProvider = currentUserProvider;
+    this.permissionBackend = permissionBackend;
     this.unhealthyFile = pluginDataDir.resolve("unhealthy.txt").toFile();
   }
 
   @Override
   protected void doPost(HttpServletRequest req, HttpServletResponse rsp) {
-    if (!currentUserProvider.get().getCapabilities().canAdministrateServer()) {
+    if (!permissionBackend.user(currentUserProvider.get()).testOrFalse(ADMINISTRATE_SERVER)) {
       sendError(rsp, SC_FORBIDDEN);
       return;
     }
@@ -66,7 +73,7 @@
 
   @Override
   protected void doDelete(HttpServletRequest req, HttpServletResponse rsp) {
-    if (!currentUserProvider.get().getCapabilities().canAdministrateServer()) {
+    if (!permissionBackend.user(currentUserProvider.get()).testOrFalse(ADMINISTRATE_SERVER)) {
       sendError(rsp, SC_FORBIDDEN);
       return;
     }
diff --git a/src/main/java/com/ericsson/gerrit/plugins/highavailability/index/IndexEventHandler.java b/src/main/java/com/ericsson/gerrit/plugins/highavailability/index/IndexEventHandler.java
index dc98c97..106422d 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/highavailability/index/IndexEventHandler.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/highavailability/index/IndexEventHandler.java
@@ -16,6 +16,7 @@
 
 import com.ericsson.gerrit.plugins.highavailability.forwarder.Context;
 import com.ericsson.gerrit.plugins.highavailability.forwarder.Forwarder;
+import com.ericsson.gerrit.plugins.highavailability.forwarder.IndexEvent;
 import com.google.common.base.Objects;
 import com.google.gerrit.extensions.annotations.PluginName;
 import com.google.gerrit.extensions.events.AccountIndexedListener;
@@ -53,13 +54,13 @@
   }
 
   @Override
-  public void onChangeIndexed(int id) {
-    executeIndexChangeTask(id, false);
+  public void onChangeIndexed(String projectName, int id) {
+    executeIndexChangeTask(projectName, id, false);
   }
 
   @Override
   public void onChangeDeleted(int id) {
-    executeIndexChangeTask(id, true);
+    executeIndexChangeTask("", id, true);
   }
 
   @Override
@@ -72,9 +73,9 @@
     }
   }
 
-  private void executeIndexChangeTask(int id, boolean deleted) {
+  private void executeIndexChangeTask(String projectName, int id, boolean deleted) {
     if (!Context.isForwardedEvent()) {
-      IndexChangeTask task = new IndexChangeTask(id, deleted);
+      IndexChangeTask task = new IndexChangeTask(projectName, id, deleted);
       if (queuedTasks.add(task)) {
         executor.execute(task);
       }
@@ -82,6 +83,12 @@
   }
 
   abstract class IndexTask implements Runnable {
+    protected final IndexEvent indexEvent;
+
+    IndexTask() {
+      indexEvent = new IndexEvent();
+    }
+
     @Override
     public void run() {
       queuedTasks.remove(this);
@@ -94,8 +101,10 @@
   class IndexChangeTask extends IndexTask {
     private final boolean deleted;
     private final int changeId;
+    private final String projectName;
 
-    IndexChangeTask(int changeId, boolean deleted) {
+    IndexChangeTask(String projectName, int changeId, boolean deleted) {
+      this.projectName = projectName;
       this.changeId = changeId;
       this.deleted = deleted;
     }
@@ -103,9 +112,9 @@
     @Override
     public void execute() {
       if (deleted) {
-        forwarder.deleteChangeFromIndex(changeId);
+        forwarder.deleteChangeFromIndex(changeId, indexEvent);
       } else {
-        forwarder.indexChange(changeId);
+        forwarder.indexChange(projectName, changeId, indexEvent);
       }
     }
 
@@ -138,7 +147,7 @@
 
     @Override
     public void execute() {
-      forwarder.indexAccount(accountId);
+      forwarder.indexAccount(accountId, indexEvent);
     }
 
     @Override
@@ -170,7 +179,7 @@
 
     @Override
     public void execute() {
-      forwarder.indexGroup(groupUUID);
+      forwarder.indexGroup(groupUUID, indexEvent);
     }
 
     @Override
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/cache/CacheExecutorProviderTest.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/cache/CacheExecutorProviderTest.java
index 3edcc7d..7f7071b 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/cache/CacheExecutorProviderTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/cache/CacheExecutorProviderTest.java
@@ -21,6 +21,7 @@
 
 import com.ericsson.gerrit.plugins.highavailability.Configuration;
 import com.google.gerrit.server.git.WorkQueue;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -31,7 +32,7 @@
 @RunWith(MockitoJUnitRunner.class)
 public class CacheExecutorProviderTest {
 
-  @Mock private WorkQueue.Executor executorMock;
+  @Mock private ScheduledThreadPoolExecutor executorMock;
 
   private CacheExecutorProvider cacheExecutorProvider;
 
@@ -56,7 +57,6 @@
     assertThat(cacheExecutorProvider.get()).isEqualTo(executorMock);
     cacheExecutorProvider.stop();
     verify(executorMock).shutdown();
-    verify(executorMock).unregisterWorkQueue();
     assertThat(cacheExecutorProvider.get()).isNull();
   }
 }
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/event/EventExecutorProviderTest.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/event/EventExecutorProviderTest.java
index b1addcc..6e666ed 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/event/EventExecutorProviderTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/event/EventExecutorProviderTest.java
@@ -20,6 +20,7 @@
 import static org.mockito.Mockito.when;
 
 import com.google.gerrit.server.git.WorkQueue;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -28,7 +29,7 @@
 
 @RunWith(MockitoJUnitRunner.class)
 public class EventExecutorProviderTest {
-  @Mock private WorkQueue.Executor executorMock;
+  @Mock private ScheduledThreadPoolExecutor executorMock;
   private EventExecutorProvider eventsExecutorProvider;
 
   @Before
@@ -49,7 +50,6 @@
     assertThat(eventsExecutorProvider.get()).isEqualTo(executorMock);
     eventsExecutorProvider.stop();
     verify(executorMock).shutdown();
-    verify(executorMock).unregisterWorkQueue();
     assertThat(eventsExecutorProvider.get()).isNull();
   }
 }
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedAwareEventBrokerTest.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedAwareEventBrokerTest.java
index bc19732..dbf6342 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedAwareEventBrokerTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedAwareEventBrokerTest.java
@@ -35,7 +35,7 @@
     listenerMock = mock(EventListener.class);
     DynamicSet<EventListener> listeners = DynamicSet.emptySet();
     listeners.add(listenerMock);
-    broker = new ForwardedAwareEventBroker(null, listeners, null, null, null);
+    broker = new ForwardedAwareEventBroker(null, listeners, null, null, null, null);
   }
 
   @Test
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexAccountHandlerTest.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexAccountHandlerTest.java
index 0a96776..b159570 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexAccountHandlerTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexAccountHandlerTest.java
@@ -23,6 +23,7 @@
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.server.index.account.AccountIndexer;
 import java.io.IOException;
+import java.util.Optional;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -48,7 +49,7 @@
 
   @Test
   public void testSuccessfulIndexing() throws Exception {
-    handler.index(id, Operation.INDEX);
+    handler.index(id, Operation.INDEX, Optional.empty());
     verify(indexerMock).index(id);
   }
 
@@ -56,7 +57,7 @@
   public void deleteIsNotSupported() throws Exception {
     exception.expect(UnsupportedOperationException.class);
     exception.expectMessage("Delete from account index not supported");
-    handler.index(id, Operation.DELETE);
+    handler.index(id, Operation.DELETE, Optional.empty());
   }
 
   @Test
@@ -73,7 +74,7 @@
         .index(id);
 
     assertThat(Context.isForwardedEvent()).isFalse();
-    handler.index(id, Operation.INDEX);
+    handler.index(id, Operation.INDEX, Optional.empty());
     assertThat(Context.isForwardedEvent()).isFalse();
 
     verify(indexerMock).index(id);
@@ -92,7 +93,7 @@
 
     assertThat(Context.isForwardedEvent()).isFalse();
     try {
-      handler.index(id, Operation.INDEX);
+      handler.index(id, Operation.INDEX, Optional.empty());
       fail("should have thrown an IOException");
     } catch (IOException e) {
       assertThat(e.getMessage()).isEqualTo("someMessage");
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexChangeHandlerTest.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexChangeHandlerTest.java
index e4c6d75..942f530 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexChangeHandlerTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexChangeHandlerTest.java
@@ -16,9 +16,9 @@
 
 import static com.google.common.truth.Truth.assertThat;
 import static org.junit.Assert.fail;
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.doThrow;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -26,13 +26,15 @@
 import com.ericsson.gerrit.plugins.highavailability.forwarder.ForwardedIndexingHandler.Operation;
 import com.google.gerrit.common.TimeUtil;
 import com.google.gerrit.reviewdb.client.Change;
-import com.google.gerrit.reviewdb.server.ChangeAccess;
 import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.server.ChangeFinder;
 import com.google.gerrit.server.index.change.ChangeIndexer;
+import com.google.gerrit.server.notedb.ChangeNotes;
 import com.google.gerrit.server.project.NoSuchChangeException;
 import com.google.gwtorm.server.OrmException;
 import com.google.gwtorm.server.SchemaFactory;
 import java.io.IOException;
+import java.util.Optional;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -45,6 +47,9 @@
 @RunWith(MockitoJUnitRunner.class)
 public class ForwardedIndexChangeHandlerTest {
 
+  private static final int TEST_CHANGE_NUMBER = 123;
+  private static String TEST_PROJECT = "test/project";
+  private static String TEST_CHANGE_ID = TEST_PROJECT + "~" + TEST_CHANGE_NUMBER;
   private static final boolean CHANGE_EXISTS = true;
   private static final boolean CHANGE_DOES_NOT_EXIST = false;
   private static final boolean DO_NOT_THROW_IO_EXCEPTION = false;
@@ -56,7 +61,8 @@
   @Mock private ChangeIndexer indexerMock;
   @Mock private SchemaFactory<ReviewDb> schemaFactoryMock;
   @Mock private ReviewDb dbMock;
-  @Mock private ChangeAccess changeAccessMock;
+  @Mock private ChangeFinder changeFinderMock;
+  @Mock private ChangeNotes changeNotes;
   private ForwardedIndexChangeHandler handler;
   private Change.Id id;
   private Change change;
@@ -64,29 +70,29 @@
   @Before
   public void setUp() throws Exception {
     when(schemaFactoryMock.open()).thenReturn(dbMock);
-    when(dbMock.changes()).thenReturn(changeAccessMock);
-    id = new Change.Id(123);
+    id = new Change.Id(TEST_CHANGE_NUMBER);
     change = new Change(null, id, null, null, TimeUtil.nowTs());
-    handler = new ForwardedIndexChangeHandler(indexerMock, schemaFactoryMock);
+    when(changeNotes.getChange()).thenReturn(change);
+    handler = new ForwardedIndexChangeHandler(indexerMock, schemaFactoryMock, changeFinderMock);
   }
 
   @Test
   public void changeIsIndexed() throws Exception {
     setupChangeAccessRelatedMocks(CHANGE_EXISTS);
-    handler.index(id, Operation.INDEX);
-    verify(indexerMock, times(1)).index(dbMock, change);
+    handler.index(TEST_CHANGE_ID, Operation.INDEX, Optional.empty());
+    verify(indexerMock, times(1)).index(any(ReviewDb.class), any(Change.class));
   }
 
   @Test
   public void changeIsDeletedFromIndex() throws Exception {
-    handler.index(id, Operation.DELETE);
+    handler.index(TEST_CHANGE_ID, Operation.DELETE, Optional.empty());
     verify(indexerMock, times(1)).delete(id);
   }
 
   @Test
   public void changeToIndexDoesNotExist() throws Exception {
     setupChangeAccessRelatedMocks(CHANGE_DOES_NOT_EXIST);
-    handler.index(id, Operation.INDEX);
+    handler.index(TEST_CHANGE_ID, Operation.INDEX, Optional.empty());
     verify(indexerMock, times(1)).delete(id);
   }
 
@@ -94,13 +100,13 @@
   public void schemaThrowsExceptionWhenLookingUpForChange() throws Exception {
     setupChangeAccessRelatedMocks(CHANGE_EXISTS, THROW_ORM_EXCEPTION);
     exception.expect(OrmException.class);
-    handler.index(id, Operation.INDEX);
+    handler.index(TEST_CHANGE_ID, Operation.INDEX, Optional.empty());
   }
 
   @Test
   public void indexerThrowsNoSuchChangeExceptionTryingToPostChange() throws Exception {
     doThrow(new NoSuchChangeException(id)).when(schemaFactoryMock).open();
-    handler.index(id, Operation.INDEX);
+    handler.index(TEST_CHANGE_ID, Operation.INDEX, Optional.empty());
     verify(indexerMock, times(1)).delete(id);
   }
 
@@ -108,7 +114,7 @@
   public void indexerThrowsNestedNoSuchChangeExceptionTryingToPostChange() throws Exception {
     OrmException e = new OrmException("test", new NoSuchChangeException(id));
     doThrow(e).when(schemaFactoryMock).open();
-    handler.index(id, Operation.INDEX);
+    handler.index(TEST_CHANGE_ID, Operation.INDEX, Optional.empty());
     verify(indexerMock, times(1)).delete(id);
   }
 
@@ -116,7 +122,7 @@
   public void indexerThrowsIOExceptionTryingToIndexChange() throws Exception {
     setupChangeAccessRelatedMocks(CHANGE_EXISTS, DO_NOT_THROW_ORM_EXCEPTION, THROW_IO_EXCEPTION);
     exception.expect(IOException.class);
-    handler.index(id, Operation.INDEX);
+    handler.index(TEST_CHANGE_ID, Operation.INDEX, Optional.empty());
   }
 
   @Test
@@ -131,13 +137,13 @@
                   return null;
                 })
         .when(indexerMock)
-        .index(dbMock, change);
+        .index(any(ReviewDb.class), any(Change.class));
 
     assertThat(Context.isForwardedEvent()).isFalse();
-    handler.index(id, Operation.INDEX);
+    handler.index(TEST_CHANGE_ID, Operation.INDEX, Optional.empty());
     assertThat(Context.isForwardedEvent()).isFalse();
 
-    verify(indexerMock, times(1)).index(dbMock, change);
+    verify(indexerMock, times(1)).index(any(ReviewDb.class), any(Change.class));
   }
 
   @Test
@@ -150,18 +156,18 @@
                   throw new IOException("someMessage");
                 })
         .when(indexerMock)
-        .index(dbMock, change);
+        .index(any(ReviewDb.class), any(Change.class));
 
     assertThat(Context.isForwardedEvent()).isFalse();
     try {
-      handler.index(id, Operation.INDEX);
+      handler.index(TEST_CHANGE_ID, Operation.INDEX, Optional.empty());
       fail("should have thrown an IOException");
     } catch (IOException e) {
       assertThat(e.getMessage()).isEqualTo("someMessage");
     }
     assertThat(Context.isForwardedEvent()).isFalse();
 
-    verify(indexerMock, times(1)).index(dbMock, change);
+    verify(indexerMock, times(1)).index(any(ReviewDb.class), any(Change.class));
   }
 
   private void setupChangeAccessRelatedMocks(boolean changeExist) throws Exception {
@@ -181,15 +187,15 @@
       doThrow(new OrmException("")).when(schemaFactoryMock).open();
     } else {
       when(schemaFactoryMock.open()).thenReturn(dbMock);
-      ChangeAccess ca = mock(ChangeAccess.class);
-      when(dbMock.changes()).thenReturn(ca);
       if (changeExists) {
-        when(ca.get(id)).thenReturn(change);
+        when(changeFinderMock.findOne(TEST_CHANGE_ID)).thenReturn(changeNotes);
         if (ioException) {
-          doThrow(new IOException("io-error")).when(indexerMock).index(dbMock, change);
+          doThrow(new IOException("io-error"))
+              .when(indexerMock)
+              .index(any(ReviewDb.class), any(Change.class));
         }
       } else {
-        when(ca.get(id)).thenReturn(null);
+        when(changeFinderMock.findOne(TEST_CHANGE_ID)).thenReturn(null);
       }
     }
   }
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexGroupHandlerTest.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexGroupHandlerTest.java
index d2387d9..103fd84 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexGroupHandlerTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/ForwardedIndexGroupHandlerTest.java
@@ -23,6 +23,7 @@
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.server.index.group.GroupIndexer;
 import java.io.IOException;
+import java.util.Optional;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -48,7 +49,7 @@
 
   @Test
   public void testSuccessfulIndexing() throws Exception {
-    handler.index(uuid, Operation.INDEX);
+    handler.index(uuid, Operation.INDEX, Optional.empty());
     verify(indexerMock).index(uuid);
   }
 
@@ -56,7 +57,7 @@
   public void deleteIsNotSupported() throws Exception {
     exception.expect(UnsupportedOperationException.class);
     exception.expectMessage("Delete from group index not supported");
-    handler.index(uuid, Operation.DELETE);
+    handler.index(uuid, Operation.DELETE, Optional.empty());
   }
 
   @Test
@@ -73,7 +74,7 @@
         .index(uuid);
 
     assertThat(Context.isForwardedEvent()).isFalse();
-    handler.index(uuid, Operation.INDEX);
+    handler.index(uuid, Operation.INDEX, Optional.empty());
     assertThat(Context.isForwardedEvent()).isFalse();
 
     verify(indexerMock).index(uuid);
@@ -92,7 +93,7 @@
 
     assertThat(Context.isForwardedEvent()).isFalse();
     try {
-      handler.index(uuid, Operation.INDEX);
+      handler.index(uuid, Operation.INDEX, Optional.empty());
       fail("should have thrown an IOException");
     } catch (IOException e) {
       assertThat(e.getMessage()).isEqualTo("someMessage");
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexAccountRestApiServletTest.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexAccountRestApiServletTest.java
index b740293..4622a17 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexAccountRestApiServletTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexAccountRestApiServletTest.java
@@ -17,6 +17,8 @@
 import static javax.servlet.http.HttpServletResponse.SC_CONFLICT;
 import static javax.servlet.http.HttpServletResponse.SC_METHOD_NOT_ALLOWED;
 import static javax.servlet.http.HttpServletResponse.SC_NO_CONTENT;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
@@ -50,13 +52,14 @@
   public void setUpMocks() {
     servlet = new IndexAccountRestApiServlet(handlerMock);
     id = new Account.Id(ACCOUNT_NUMBER);
-    when(requestMock.getPathInfo()).thenReturn("/index/account/" + ACCOUNT_NUMBER);
+    when(requestMock.getRequestURI())
+        .thenReturn("http://gerrit.com/index/account/" + ACCOUNT_NUMBER);
   }
 
   @Test
   public void accountIsIndexed() throws Exception {
     servlet.doPost(requestMock, responseMock);
-    verify(handlerMock, times(1)).index(id, Operation.INDEX);
+    verify(handlerMock, times(1)).index(eq(id), eq(Operation.INDEX), any());
     verify(responseMock).setStatus(SC_NO_CONTENT);
   }
 
@@ -68,14 +71,14 @@
 
   @Test
   public void indexerThrowsIOExceptionTryingToIndexAccount() throws Exception {
-    doThrow(new IOException(IO_ERROR)).when(handlerMock).index(id, Operation.INDEX);
+    doThrow(new IOException(IO_ERROR)).when(handlerMock).index(eq(id), eq(Operation.INDEX), any());
     servlet.doPost(requestMock, responseMock);
     verify(responseMock).sendError(SC_CONFLICT, IO_ERROR);
   }
 
   @Test
   public void sendErrorThrowsIOException() throws Exception {
-    doThrow(new IOException(IO_ERROR)).when(handlerMock).index(id, Operation.INDEX);
+    doThrow(new IOException(IO_ERROR)).when(handlerMock).index(eq(id), eq(Operation.INDEX), any());
     doThrow(new IOException("someError")).when(responseMock).sendError(SC_CONFLICT, IO_ERROR);
     servlet.doPost(requestMock, responseMock);
     verify(responseMock).sendError(SC_CONFLICT, IO_ERROR);
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexChangeRestApiServletTest.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexChangeRestApiServletTest.java
index 811df97..c1fa765 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexChangeRestApiServletTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexChangeRestApiServletTest.java
@@ -17,6 +17,8 @@
 import static javax.servlet.http.HttpServletResponse.SC_CONFLICT;
 import static javax.servlet.http.HttpServletResponse.SC_NOT_FOUND;
 import static javax.servlet.http.HttpServletResponse.SC_NO_CONTENT;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
@@ -24,7 +26,6 @@
 
 import com.ericsson.gerrit.plugins.highavailability.forwarder.ForwardedIndexChangeHandler;
 import com.ericsson.gerrit.plugins.highavailability.forwarder.ForwardedIndexingHandler.Operation;
-import com.google.gerrit.reviewdb.client.Change;
 import com.google.gwtorm.server.OrmException;
 import java.io.IOException;
 import javax.servlet.http.HttpServletRequest;
@@ -38,53 +39,61 @@
 @RunWith(MockitoJUnitRunner.class)
 public class IndexChangeRestApiServletTest {
   private static final int CHANGE_NUMBER = 1;
+  private static final String PROJECT_NAME = "test/project";
+  private static final String PROJECT_NAME_URL_ENC = "test%2Fproject";
+  private static final String CHANGE_ID = PROJECT_NAME + "~" + CHANGE_NUMBER;
   private static final String IO_ERROR = "io-error";
 
   @Mock private ForwardedIndexChangeHandler handlerMock;
   @Mock private HttpServletRequest requestMock;
   @Mock private HttpServletResponse responseMock;
 
-  private Change.Id id;
   private IndexChangeRestApiServlet servlet;
 
   @Before
   public void setUpMocks() {
     servlet = new IndexChangeRestApiServlet(handlerMock);
-    id = new Change.Id(CHANGE_NUMBER);
-    when(requestMock.getPathInfo()).thenReturn("/index/change/" + CHANGE_NUMBER);
+    when(requestMock.getRequestURI())
+        .thenReturn("http://gerrit.com/index/change/" + PROJECT_NAME_URL_ENC + "~" + CHANGE_NUMBER);
   }
 
   @Test
   public void changeIsIndexed() throws Exception {
     servlet.doPost(requestMock, responseMock);
-    verify(handlerMock, times(1)).index(id, Operation.INDEX);
+    verify(handlerMock, times(1)).index(eq(CHANGE_ID), eq(Operation.INDEX), any());
     verify(responseMock).setStatus(SC_NO_CONTENT);
   }
 
   @Test
   public void changeIsDeletedFromIndex() throws Exception {
     servlet.doDelete(requestMock, responseMock);
-    verify(handlerMock, times(1)).index(id, Operation.DELETE);
+    verify(handlerMock, times(1)).index(eq(CHANGE_ID), eq(Operation.DELETE), any());
     verify(responseMock).setStatus(SC_NO_CONTENT);
   }
 
   @Test
   public void indexerThrowsIOExceptionTryingToIndexChange() throws Exception {
-    doThrow(new IOException(IO_ERROR)).when(handlerMock).index(id, Operation.INDEX);
+    doThrow(new IOException(IO_ERROR))
+        .when(handlerMock)
+        .index(eq(CHANGE_ID), eq(Operation.INDEX), any());
     servlet.doPost(requestMock, responseMock);
     verify(responseMock).sendError(SC_CONFLICT, IO_ERROR);
   }
 
   @Test
   public void indexerThrowsOrmExceptionTryingToIndexChange() throws Exception {
-    doThrow(new OrmException("some message")).when(handlerMock).index(id, Operation.INDEX);
+    doThrow(new OrmException("some message"))
+        .when(handlerMock)
+        .index(eq(CHANGE_ID), eq(Operation.INDEX), any());
     servlet.doPost(requestMock, responseMock);
     verify(responseMock).sendError(SC_NOT_FOUND, "Error trying to find change");
   }
 
   @Test
   public void sendErrorThrowsIOException() throws Exception {
-    doThrow(new IOException(IO_ERROR)).when(handlerMock).index(id, Operation.INDEX);
+    doThrow(new IOException(IO_ERROR))
+        .when(handlerMock)
+        .index(eq(CHANGE_ID), eq(Operation.INDEX), any());
     doThrow(new IOException("someError")).when(responseMock).sendError(SC_CONFLICT, IO_ERROR);
     servlet.doPost(requestMock, responseMock);
     verify(responseMock).sendError(SC_CONFLICT, IO_ERROR);
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexGroupRestApiServletTest.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexGroupRestApiServletTest.java
index 1864e53..6291142 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexGroupRestApiServletTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/IndexGroupRestApiServletTest.java
@@ -17,6 +17,8 @@
 import static javax.servlet.http.HttpServletResponse.SC_CONFLICT;
 import static javax.servlet.http.HttpServletResponse.SC_METHOD_NOT_ALLOWED;
 import static javax.servlet.http.HttpServletResponse.SC_NO_CONTENT;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
@@ -50,13 +52,13 @@
   public void setUpMocks() {
     servlet = new IndexGroupRestApiServlet(handlerMock);
     uuid = new AccountGroup.UUID(UUID);
-    when(requestMock.getPathInfo()).thenReturn("/index/group/" + UUID);
+    when(requestMock.getRequestURI()).thenReturn("http://gerrit.com/index/group/" + UUID);
   }
 
   @Test
   public void groupIsIndexed() throws Exception {
     servlet.doPost(requestMock, responseMock);
-    verify(handlerMock, times(1)).index(uuid, Operation.INDEX);
+    verify(handlerMock, times(1)).index(eq(uuid), eq(Operation.INDEX), any());
     verify(responseMock).setStatus(SC_NO_CONTENT);
   }
 
@@ -68,14 +70,18 @@
 
   @Test
   public void indexerThrowsIOExceptionTryingToIndexGroup() throws Exception {
-    doThrow(new IOException(IO_ERROR)).when(handlerMock).index(uuid, Operation.INDEX);
+    doThrow(new IOException(IO_ERROR))
+        .when(handlerMock)
+        .index(eq(uuid), eq(Operation.INDEX), any());
     servlet.doPost(requestMock, responseMock);
     verify(responseMock).sendError(SC_CONFLICT, IO_ERROR);
   }
 
   @Test
   public void sendErrorThrowsIOException() throws Exception {
-    doThrow(new IOException(IO_ERROR)).when(handlerMock).index(uuid, Operation.INDEX);
+    doThrow(new IOException(IO_ERROR))
+        .when(handlerMock)
+        .index(eq(uuid), eq(Operation.INDEX), any());
     doThrow(new IOException("someError")).when(responseMock).sendError(SC_CONFLICT, IO_ERROR);
     servlet.doPost(requestMock, responseMock);
     verify(responseMock).sendError(SC_CONFLICT, IO_ERROR);
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/RestForwarderTest.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/RestForwarderTest.java
index 6a403ed..fd2aa52 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/RestForwarderTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/forwarder/rest/RestForwarderTest.java
@@ -15,13 +15,16 @@
 package com.ericsson.gerrit.plugins.highavailability.forwarder.rest;
 
 import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
 import com.ericsson.gerrit.plugins.highavailability.Configuration;
 import com.ericsson.gerrit.plugins.highavailability.cache.Constants;
+import com.ericsson.gerrit.plugins.highavailability.forwarder.IndexEvent;
 import com.ericsson.gerrit.plugins.highavailability.forwarder.rest.HttpResponseHandler.HttpResult;
 import com.google.common.base.Joiner;
 import com.google.gerrit.reviewdb.client.Account;
@@ -39,7 +42,6 @@
   private static final String EMPTY_MSG = "";
   private static final String ERROR = "Error";
   private static final String PLUGINS = "/plugins";
-  private static final String PROJECT_NAME = "projectName";
   private static final String PROJECT_TO_ADD = "projectToAdd";
   private static final String PROJECT_TO_DELETE = "projectToDelete";
   private static final String SUCCESS = "Success";
@@ -48,8 +50,13 @@
 
   // Index
   private static final int CHANGE_NUMBER = 1;
+  private static final String PROJECT_NAME = "test/project";
+  private static final String PROJECT_NAME_URL_END = "test%2Fproject";
   private static final String INDEX_CHANGE_ENDPOINT =
-      Joiner.on("/").join(PLUGINS, PLUGIN_NAME, "index/change", CHANGE_NUMBER);
+      Joiner.on("/")
+          .join(PLUGINS, PLUGIN_NAME, "index/change", PROJECT_NAME_URL_END + "~" + CHANGE_NUMBER);
+  private static final String DELETE_CHANGE_ENDPOINT =
+      Joiner.on("/").join("/plugins", PLUGIN_NAME, "index/change", "~" + CHANGE_NUMBER);
   private static final int ACCOUNT_NUMBER = 2;
   private static final String INDEX_ACCOUNT_ENDPOINT =
       Joiner.on("/").join(PLUGINS, PLUGIN_NAME, "index/account", ACCOUNT_NUMBER);
@@ -60,7 +67,6 @@
   // Event
   private static final String EVENT_ENDPOINT = Joiner.on("/").join(PLUGINS, PLUGIN_NAME, "event");
   private static Event event = new Event("test-event") {};
-  private static String eventJson = new GsonBuilder().create().toJson(event);
 
   private RestForwarder forwarder;
   private HttpSession httpSessionMock;
@@ -76,99 +82,100 @@
 
   @Test
   public void testIndexAccountOK() throws Exception {
-    when(httpSessionMock.post(INDEX_ACCOUNT_ENDPOINT))
+    when(httpSessionMock.post(eq(INDEX_ACCOUNT_ENDPOINT), any()))
         .thenReturn(new HttpResult(SUCCESSFUL, EMPTY_MSG));
-    assertThat(forwarder.indexAccount(ACCOUNT_NUMBER)).isTrue();
+    assertThat(forwarder.indexAccount(ACCOUNT_NUMBER, new IndexEvent())).isTrue();
   }
 
   @Test
   public void testIndexAccountFailed() throws Exception {
-    when(httpSessionMock.post(INDEX_ACCOUNT_ENDPOINT))
+    when(httpSessionMock.post(eq(INDEX_ACCOUNT_ENDPOINT), any()))
         .thenReturn(new HttpResult(FAILED, EMPTY_MSG));
-    assertThat(forwarder.indexAccount(ACCOUNT_NUMBER)).isFalse();
+    assertThat(forwarder.indexAccount(ACCOUNT_NUMBER, new IndexEvent())).isFalse();
   }
 
   @Test
   public void testIndexAccountThrowsException() throws Exception {
-    doThrow(new IOException()).when(httpSessionMock).post(INDEX_ACCOUNT_ENDPOINT);
-    assertThat(forwarder.indexAccount(ACCOUNT_NUMBER)).isFalse();
+    doThrow(new IOException()).when(httpSessionMock).post(eq(INDEX_ACCOUNT_ENDPOINT), any());
+    assertThat(forwarder.indexAccount(ACCOUNT_NUMBER, new IndexEvent())).isFalse();
   }
 
   @Test
   public void testIndexGroupOK() throws Exception {
-    when(httpSessionMock.post(INDEX_GROUP_ENDPOINT))
+    when(httpSessionMock.post(eq(INDEX_GROUP_ENDPOINT), any()))
         .thenReturn(new HttpResult(SUCCESSFUL, EMPTY_MSG));
-    assertThat(forwarder.indexGroup(UUID)).isTrue();
+    assertThat(forwarder.indexGroup(UUID, new IndexEvent())).isTrue();
   }
 
   @Test
   public void testIndexGroupFailed() throws Exception {
-    when(httpSessionMock.post(INDEX_GROUP_ENDPOINT)).thenReturn(new HttpResult(FAILED, EMPTY_MSG));
-    assertThat(forwarder.indexGroup(UUID)).isFalse();
+    when(httpSessionMock.post(eq(INDEX_GROUP_ENDPOINT), any()))
+        .thenReturn(new HttpResult(FAILED, EMPTY_MSG));
+    assertThat(forwarder.indexGroup(UUID, new IndexEvent())).isFalse();
   }
 
   @Test
   public void testIndexGroupThrowsException() throws Exception {
-    doThrow(new IOException()).when(httpSessionMock).post(INDEX_GROUP_ENDPOINT);
-    assertThat(forwarder.indexGroup(UUID)).isFalse();
+    doThrow(new IOException()).when(httpSessionMock).post(eq(INDEX_GROUP_ENDPOINT), any());
+    assertThat(forwarder.indexGroup(UUID, new IndexEvent())).isFalse();
   }
 
   @Test
   public void testIndexChangeOK() throws Exception {
-    when(httpSessionMock.post(INDEX_CHANGE_ENDPOINT))
+    when(httpSessionMock.post(eq(INDEX_CHANGE_ENDPOINT), any()))
         .thenReturn(new HttpResult(SUCCESSFUL, EMPTY_MSG));
-    assertThat(forwarder.indexChange(CHANGE_NUMBER)).isTrue();
+    assertThat(forwarder.indexChange(PROJECT_NAME, CHANGE_NUMBER, new IndexEvent())).isTrue();
   }
 
   @Test
   public void testIndexChangeFailed() throws Exception {
-    when(httpSessionMock.post(INDEX_CHANGE_ENDPOINT)).thenReturn(new HttpResult(FAILED, EMPTY_MSG));
-    assertThat(forwarder.indexChange(CHANGE_NUMBER)).isFalse();
+    when(httpSessionMock.post(eq(INDEX_CHANGE_ENDPOINT), any()))
+        .thenReturn(new HttpResult(FAILED, EMPTY_MSG));
+    assertThat(forwarder.indexChange(PROJECT_NAME, CHANGE_NUMBER, new IndexEvent())).isFalse();
   }
 
   @Test
   public void testIndexChangeThrowsException() throws Exception {
-    doThrow(new IOException()).when(httpSessionMock).post(INDEX_CHANGE_ENDPOINT);
-    assertThat(forwarder.indexChange(CHANGE_NUMBER)).isFalse();
+    doThrow(new IOException()).when(httpSessionMock).post(eq(INDEX_CHANGE_ENDPOINT), any());
+    assertThat(forwarder.indexChange(PROJECT_NAME, CHANGE_NUMBER, new IndexEvent())).isFalse();
   }
 
   @Test
   public void testChangeDeletedFromIndexOK() throws Exception {
-    when(httpSessionMock.delete(INDEX_CHANGE_ENDPOINT))
+    when(httpSessionMock.delete(eq(DELETE_CHANGE_ENDPOINT), any()))
         .thenReturn(new HttpResult(SUCCESSFUL, EMPTY_MSG));
-    assertThat(forwarder.deleteChangeFromIndex(CHANGE_NUMBER)).isTrue();
+    assertThat(forwarder.deleteChangeFromIndex(CHANGE_NUMBER, new IndexEvent())).isTrue();
   }
 
   @Test
   public void testChangeDeletedFromIndexFailed() throws Exception {
-    when(httpSessionMock.delete(INDEX_CHANGE_ENDPOINT))
+    when(httpSessionMock.delete(eq(DELETE_CHANGE_ENDPOINT), any()))
         .thenReturn(new HttpResult(FAILED, EMPTY_MSG));
-    assertThat(forwarder.deleteChangeFromIndex(CHANGE_NUMBER)).isFalse();
+    assertThat(forwarder.deleteChangeFromIndex(CHANGE_NUMBER, new IndexEvent())).isFalse();
   }
 
   @Test
   public void testChangeDeletedFromThrowsException() throws Exception {
-    doThrow(new IOException()).when(httpSessionMock).delete(INDEX_CHANGE_ENDPOINT);
-    assertThat(forwarder.deleteChangeFromIndex(CHANGE_NUMBER)).isFalse();
+    doThrow(new IOException()).when(httpSessionMock).delete(eq(DELETE_CHANGE_ENDPOINT), any());
+    assertThat(forwarder.deleteChangeFromIndex(CHANGE_NUMBER, new IndexEvent())).isFalse();
   }
 
   @Test
   public void testEventSentOK() throws Exception {
-    when(httpSessionMock.post(EVENT_ENDPOINT, eventJson))
+    when(httpSessionMock.post(EVENT_ENDPOINT, event))
         .thenReturn(new HttpResult(SUCCESSFUL, EMPTY_MSG));
     assertThat(forwarder.send(event)).isTrue();
   }
 
   @Test
   public void testEventSentFailed() throws Exception {
-    when(httpSessionMock.post(EVENT_ENDPOINT, eventJson))
-        .thenReturn(new HttpResult(FAILED, EMPTY_MSG));
+    when(httpSessionMock.post(EVENT_ENDPOINT, event)).thenReturn(new HttpResult(FAILED, EMPTY_MSG));
     assertThat(forwarder.send(event)).isFalse();
   }
 
   @Test
   public void testEventSentThrowsException() throws Exception {
-    doThrow(new IOException()).when(httpSessionMock).post(EVENT_ENDPOINT, eventJson);
+    doThrow(new IOException()).when(httpSessionMock).post(EVENT_ENDPOINT, event);
     assertThat(forwarder.send(event)).isFalse();
   }
 
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/health/HealthServletTest.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/health/HealthServletTest.java
index 1ad17cb..c8fe4e8 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/health/HealthServletTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/health/HealthServletTest.java
@@ -14,6 +14,7 @@
 
 package com.ericsson.gerrit.plugins.highavailability.health;
 
+import static com.google.gerrit.server.permissions.GlobalPermission.ADMINISTRATE_SERVER;
 import static javax.servlet.http.HttpServletResponse.SC_FORBIDDEN;
 import static javax.servlet.http.HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
 import static javax.servlet.http.HttpServletResponse.SC_NO_CONTENT;
@@ -24,7 +25,8 @@
 import static org.mockito.Mockito.when;
 
 import com.google.gerrit.server.CurrentUser;
-import com.google.gerrit.server.account.CapabilityControl;
+import com.google.gerrit.server.permissions.PermissionBackend;
+import com.google.gerrit.server.permissions.PermissionBackend.WithUser;
 import com.google.inject.Provider;
 import java.io.IOException;
 import java.nio.file.Files;
@@ -44,16 +46,19 @@
 
   @Mock private Provider<CurrentUser> currentUserProviderMock;
   @Mock private CurrentUser currentUserMock;
-  @Mock private CapabilityControl capabilityControlMock;
+  @Mock private PermissionBackend permissionBackendMock;
+  @Mock private WithUser withUserMock;
 
   private HealthServlet servlet;
 
   @Before
   public void setUp() throws Exception {
     when(currentUserProviderMock.get()).thenReturn(currentUserMock);
-    when(currentUserMock.getCapabilities()).thenReturn(capabilityControlMock);
-    when(capabilityControlMock.canAdministrateServer()).thenReturn(true);
-    servlet = new HealthServlet(currentUserProviderMock, tempFolder.getRoot().toPath());
+    when(permissionBackendMock.user(currentUserMock)).thenReturn(withUserMock);
+    when(withUserMock.testOrFalse(ADMINISTRATE_SERVER)).thenReturn(true);
+    servlet =
+        new HealthServlet(
+            currentUserProviderMock, permissionBackendMock, tempFolder.getRoot().toPath());
   }
 
   @Test
@@ -82,7 +87,7 @@
   public void testTransitionToUnhealthyByNonAdmins() throws IOException {
     assertIsHealthy();
 
-    when(capabilityControlMock.canAdministrateServer()).thenReturn(false);
+    when(withUserMock.testOrFalse(ADMINISTRATE_SERVER)).thenReturn(false);
     HttpServletResponse responseMock = mock(HttpServletResponse.class);
     servlet.doDelete(null, responseMock);
     verify(responseMock).sendError(SC_FORBIDDEN);
@@ -124,7 +129,7 @@
     servlet.doDelete(null, mock(HttpServletResponse.class));
     assertIsUnhealthy();
 
-    when(capabilityControlMock.canAdministrateServer()).thenReturn(false);
+    when(withUserMock.testOrFalse(ADMINISTRATE_SERVER)).thenReturn(false);
     HttpServletResponse responseMock = mock(HttpServletResponse.class);
     servlet.doPost(null, responseMock);
     verify(responseMock).sendError(SC_FORBIDDEN);
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/AccountIndexForwardingIT.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/AccountIndexForwardingIT.java
index df3af5c..4b2462e 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/AccountIndexForwardingIT.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/AccountIndexForwardingIT.java
@@ -21,7 +21,7 @@
 
   @Override
   public void beforeAction() throws Exception {
-    testAccount = accounts.create("someUser");
+    testAccount = accountCreator.create("someUser");
   }
 
   @Override
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/ChangeIndexForwardingIT.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/ChangeIndexForwardingIT.java
index 938d37f..f80f56f 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/ChangeIndexForwardingIT.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/ChangeIndexForwardingIT.java
@@ -24,7 +24,7 @@
 
   @Override
   public String getExpectedRequest() {
-    return "/plugins/high-availability/index/change/" + changeId;
+    return "/plugins/high-availability/index/change/" + project.get() + "~" + changeId;
   }
 
   @Override
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/IndexEventHandlerTest.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/IndexEventHandlerTest.java
index 7b3d14b..43c2fd7 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/IndexEventHandlerTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/IndexEventHandlerTest.java
@@ -15,6 +15,8 @@
 package com.ericsson.gerrit.plugins.highavailability.index;
 
 import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
@@ -29,7 +31,7 @@
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.reviewdb.client.Change;
-import com.google.gerrit.server.git.WorkQueue.Executor;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -39,6 +41,7 @@
 @RunWith(MockitoJUnitRunner.class)
 public class IndexEventHandlerTest {
   private static final String PLUGIN_NAME = "high-availability";
+  private static final String PROJECT_NAME = "test/project";
   private static final int CHANGE_ID = 1;
   private static final int ACCOUNT_ID = 2;
   private static final String UUID = "3";
@@ -61,32 +64,32 @@
 
   @Test
   public void shouldIndexInRemoteOnChangeIndexedEvent() throws Exception {
-    indexEventHandler.onChangeIndexed(changeId.get());
-    verify(forwarder).indexChange(CHANGE_ID);
+    indexEventHandler.onChangeIndexed(PROJECT_NAME, changeId.get());
+    verify(forwarder).indexChange(eq(PROJECT_NAME), eq(CHANGE_ID), any());
   }
 
   @Test
   public void shouldIndexInRemoteOnAccountIndexedEvent() throws Exception {
     indexEventHandler.onAccountIndexed(accountId.get());
-    verify(forwarder).indexAccount(ACCOUNT_ID);
+    verify(forwarder).indexAccount(eq(ACCOUNT_ID), any());
   }
 
   @Test
   public void shouldDeleteFromIndexInRemoteOnChangeDeletedEvent() throws Exception {
     indexEventHandler.onChangeDeleted(changeId.get());
-    verify(forwarder).deleteChangeFromIndex(CHANGE_ID);
+    verify(forwarder).deleteChangeFromIndex(eq(CHANGE_ID), any());
   }
 
   @Test
   public void shouldIndexInRemoteOnGroupIndexedEvent() throws Exception {
     indexEventHandler.onGroupIndexed(accountGroupUUID.get());
-    verify(forwarder).indexGroup(UUID);
+    verify(forwarder).indexGroup(eq(UUID), any());
   }
 
   @Test
   public void shouldNotCallRemoteWhenChangeEventIsForwarded() throws Exception {
     Context.setForwardedEvent(true);
-    indexEventHandler.onChangeIndexed(changeId.get());
+    indexEventHandler.onChangeIndexed(PROJECT_NAME, changeId.get());
     indexEventHandler.onChangeDeleted(changeId.get());
     Context.unsetForwardedEvent();
     verifyZeroInteractions(forwarder);
@@ -112,16 +115,17 @@
 
   @Test
   public void duplicateChangeEventOfAQueuedEventShouldGetDiscarded() {
-    Executor poolMock = mock(Executor.class);
+    ScheduledThreadPoolExecutor poolMock = mock(ScheduledThreadPoolExecutor.class);
     indexEventHandler = new IndexEventHandler(poolMock, PLUGIN_NAME, forwarder);
-    indexEventHandler.onChangeIndexed(changeId.get());
-    indexEventHandler.onChangeIndexed(changeId.get());
-    verify(poolMock, times(1)).execute(indexEventHandler.new IndexChangeTask(CHANGE_ID, false));
+    indexEventHandler.onChangeIndexed(PROJECT_NAME, changeId.get());
+    indexEventHandler.onChangeIndexed(PROJECT_NAME, changeId.get());
+    verify(poolMock, times(1))
+        .execute(indexEventHandler.new IndexChangeTask(PROJECT_NAME, CHANGE_ID, false));
   }
 
   @Test
   public void duplicateAccountEventOfAQueuedEventShouldGetDiscarded() {
-    Executor poolMock = mock(Executor.class);
+    ScheduledThreadPoolExecutor poolMock = mock(ScheduledThreadPoolExecutor.class);
     indexEventHandler = new IndexEventHandler(poolMock, PLUGIN_NAME, forwarder);
     indexEventHandler.onAccountIndexed(accountId.get());
     indexEventHandler.onAccountIndexed(accountId.get());
@@ -130,7 +134,7 @@
 
   @Test
   public void duplicateGroupEventOfAQueuedEventShouldGetDiscarded() {
-    Executor poolMock = mock(Executor.class);
+    ScheduledThreadPoolExecutor poolMock = mock(ScheduledThreadPoolExecutor.class);
     indexEventHandler = new IndexEventHandler(poolMock, PLUGIN_NAME, forwarder);
     indexEventHandler.onGroupIndexed(accountGroupUUID.get());
     indexEventHandler.onGroupIndexed(accountGroupUUID.get());
@@ -139,7 +143,7 @@
 
   @Test
   public void testIndexChangeTaskToString() throws Exception {
-    IndexChangeTask task = indexEventHandler.new IndexChangeTask(CHANGE_ID, false);
+    IndexChangeTask task = indexEventHandler.new IndexChangeTask(PROJECT_NAME, CHANGE_ID, false);
     assertThat(task.toString())
         .isEqualTo(
             String.format("[%s] Index change %s in target instance", PLUGIN_NAME, CHANGE_ID));
@@ -162,25 +166,29 @@
 
   @Test
   public void testIndexChangeTaskHashCodeAndEquals() {
-    IndexChangeTask task = indexEventHandler.new IndexChangeTask(CHANGE_ID, false);
+    IndexChangeTask task = indexEventHandler.new IndexChangeTask(PROJECT_NAME, CHANGE_ID, false);
 
     IndexChangeTask sameTask = task;
     assertThat(task.equals(sameTask)).isTrue();
     assertThat(task.hashCode()).isEqualTo(sameTask.hashCode());
 
-    IndexChangeTask identicalTask = indexEventHandler.new IndexChangeTask(CHANGE_ID, false);
+    IndexChangeTask identicalTask =
+        indexEventHandler.new IndexChangeTask(PROJECT_NAME, CHANGE_ID, false);
     assertThat(task.equals(identicalTask)).isTrue();
     assertThat(task.hashCode()).isEqualTo(identicalTask.hashCode());
 
     assertThat(task.equals(null)).isFalse();
-    assertThat(task.equals(indexEventHandler.new IndexChangeTask(CHANGE_ID + 1, false))).isFalse();
+    assertThat(
+            task.equals(indexEventHandler.new IndexChangeTask(PROJECT_NAME, CHANGE_ID + 1, false)))
+        .isFalse();
     assertThat(task.hashCode()).isNotEqualTo("test".hashCode());
 
-    IndexChangeTask differentChangeIdTask = indexEventHandler.new IndexChangeTask(123, false);
+    IndexChangeTask differentChangeIdTask =
+        indexEventHandler.new IndexChangeTask(PROJECT_NAME, 123, false);
     assertThat(task.equals(differentChangeIdTask)).isFalse();
     assertThat(task.hashCode()).isNotEqualTo(differentChangeIdTask.hashCode());
 
-    IndexChangeTask removeTask = indexEventHandler.new IndexChangeTask(CHANGE_ID, true);
+    IndexChangeTask removeTask = indexEventHandler.new IndexChangeTask("", CHANGE_ID, true);
     assertThat(task.equals(removeTask)).isFalse();
     assertThat(task.hashCode()).isNotEqualTo(removeTask.hashCode());
   }
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/IndexExecutorProviderTest.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/IndexExecutorProviderTest.java
index 59e37c9..abab0b9 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/IndexExecutorProviderTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/index/IndexExecutorProviderTest.java
@@ -21,6 +21,7 @@
 
 import com.ericsson.gerrit.plugins.highavailability.Configuration;
 import com.google.gerrit.server.git.WorkQueue;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -30,12 +31,12 @@
 
 @RunWith(MockitoJUnitRunner.class)
 public class IndexExecutorProviderTest {
-  @Mock private WorkQueue.Executor executorMock;
+  @Mock private ScheduledThreadPoolExecutor executorMock;
   private IndexExecutorProvider indexExecutorProvider;
 
   @Before
   public void setUp() throws Exception {
-    executorMock = mock(WorkQueue.Executor.class);
+    executorMock = mock(ScheduledThreadPoolExecutor.class);
     WorkQueue workQueueMock = mock(WorkQueue.class);
     when(workQueueMock.createQueue(4, "Forward-Index-Event")).thenReturn(executorMock);
     Configuration configMock = mock(Configuration.class, Answers.RETURNS_DEEP_STUBS);
@@ -54,7 +55,6 @@
     assertThat(indexExecutorProvider.get()).isEqualTo(executorMock);
     indexExecutorProvider.stop();
     verify(executorMock).shutdown();
-    verify(executorMock).unregisterWorkQueue();
     assertThat(indexExecutorProvider.get()).isNull();
   }
 }
diff --git a/src/test/java/com/ericsson/gerrit/plugins/highavailability/websession/file/FileBasedWebSessionCacheCleanerTest.java b/src/test/java/com/ericsson/gerrit/plugins/highavailability/websession/file/FileBasedWebSessionCacheCleanerTest.java
index b3b8ac1..3a2828e 100644
--- a/src/test/java/com/ericsson/gerrit/plugins/highavailability/websession/file/FileBasedWebSessionCacheCleanerTest.java
+++ b/src/test/java/com/ericsson/gerrit/plugins/highavailability/websession/file/FileBasedWebSessionCacheCleanerTest.java
@@ -26,9 +26,9 @@
 
 import com.ericsson.gerrit.plugins.highavailability.Configuration;
 import com.google.gerrit.server.git.WorkQueue;
-import com.google.gerrit.server.git.WorkQueue.Executor;
 import com.google.inject.Provider;
 import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 import org.junit.Before;
 import org.junit.Test;
@@ -43,7 +43,7 @@
   private static long CLEANUP_INTERVAL = 5000;
   private static String SOME_PLUGIN_NAME = "somePluginName";
 
-  @Mock private Executor executorMock;
+  @Mock private ScheduledThreadPoolExecutor executorMock;
   @Mock private ScheduledFuture<?> scheduledFutureMock;
   @Mock private WorkQueue workQueueMock;
   @Mock private Provider<CleanupTask> cleanupTaskProviderMock;