Github user HeartSaVioR commented on a diff in the pull request:
https://github.com/apache/storm/pull/2389#discussion_r148668740
--- Diff:
storm-core/src/jvm/org/apache/storm/nimbus/LeaderListenerCallback.java ---
@@ -0,0 +1,175 @@
+package org.apache.storm.nimbus;
--- End diff --
Missing license header.---
