Minor improvements to ProtoCacheSerializers#toByteArray
Don't limit the recommendation to cache keys; encoding values
deterministically is also useful, particularly for tests.
Add the exception cause when encoding fails.
Change-Id: I7a17a318e73a085cd97e74e22b3a855279904a70
diff --git a/java/com/google/gerrit/server/cache/ProtoCacheSerializers.java b/java/com/google/gerrit/server/cache/ProtoCacheSerializers.java
index 795df72..a8e7e5f 100644
--- a/java/com/google/gerrit/server/cache/ProtoCacheSerializers.java
+++ b/java/com/google/gerrit/server/cache/ProtoCacheSerializers.java
@@ -23,8 +23,8 @@
/**
* Serializes a proto to a byte array.
*
- * <p>Guarantees deterministic serialization and thus is suitable for use as a persistent cache
- * key. Should be used in preference to {@link MessageLite#toByteArray()}, which is not guaranteed
+ * <p>Guarantees deterministic serialization and thus is suitable for use in persistent caches.
+ * Should be used in preference to {@link MessageLite#toByteArray()}, which is not guaranteed
* deterministic.
*
* @param message the proto message to serialize.
@@ -39,7 +39,7 @@
cout.checkNoSpaceLeft();
return bytes;
} catch (IOException e) {
- throw new IllegalStateException("exception writing to byte array");
+ throw new IllegalStateException("exception writing to byte array", e);
}
}
