1 files changed, 1 insertions, 1 deletions
diff --git a/zookeeper-server/src/test/java/org/apache/zookeeper/server/PrepRequestProcessorTest.java b/zookeeper-server/src/test/java/org/apache/zookeeper/server/PrepRequestProcessorTest.java
index 689b8eda9..b10258fb5 100644
--- a/zookeeper-server/src/test/java/org/apache/zookeeper/server/PrepRequestProcessorTest.java
+++ b/zookeeper-server/src/test/java/org/apache/zookeeper/server/PrepRequestProcessorTest.java
@@ -371,7 +371,7 @@ public class PrepRequestProcessorTest extends ClientBase {
         }
         @Override
         public Map<Long, Set<Long>> getSessionExpiryMap() {
-            return new HashMap<Long, Set<Long>>();
+            return new HashMap<>();
         }
         @Override
         public long getLocalSessionCount() {