Emit node-level events when resource exhaustion set changes

1 files changed, 3 insertions, 0 deletions

diff --git a/clustercontroller-core/src/test/java/com/yahoo/vespa/clustercontroller/core/matchers/ClusterEventWithDescription.java b/clustercontroller-core/src/test/java/com/yahoo/vespa/clustercontroller/core/matchers/ClusterEventWithDescription.java
index 03df92318c6..9b20f139f96 100644
--- a/clustercontroller-core/src/test/java/com/yahoo/vespa/clustercontroller/core/matchers/ClusterEventWithDescription.java
+++ b/clustercontroller-core/src/test/java/com/yahoo/vespa/clustercontroller/core/matchers/ClusterEventWithDescription.java
@@ -28,6 +28,9 @@ public class ClusterEventWithDescription extends BaseMatcher<ClusterEvent> {
 
     @Override
     public void describeMismatch(Object item, Description description) {
+        if (!(item instanceof ClusterEvent)) {
+            return;
+        }
         ClusterEvent other = (ClusterEvent)item;
         description.appendText(String.format("got description '%s'", other.getDescription()));
     }