diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/project/ProjectCacheImpl.java b/gerrit-server/src/main/java/com/google/gerrit/server/project/ProjectCacheImpl.java
index 1d5b6bf..1cf6a44 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/project/ProjectCacheImpl.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/project/ProjectCacheImpl.java
@@ -151,6 +151,7 @@
         Throwables.throwIfInstanceOf(e.getCause(), IOException.class);
         throw new IOException(e);
       }
+      log.warn("Cannot find project {}", projectName.get(), e);
       return null;
     }
   }