1 files changed, 6 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/AnonymousUser.java b/java/com/google/gerrit/server/AnonymousUser.java
index c96d61aab5..91d2d05e49 100644
--- a/java/com/google/gerrit/server/AnonymousUser.java
+++ b/java/com/google/gerrit/server/AnonymousUser.java
@@ -27,6 +27,12 @@ public class AnonymousUser extends CurrentUser {
   }
 
   @Override
+  public Object getCacheKey() {
+    // Treat all anonymous users as a single user
+    return "anonymous";
+  }
+
+  @Override
   public String toString() {
     return "ANONYMOUS";
   }