Github user roshannaik commented on a diff in the pull request:
https://github.com/apache/storm/pull/2502#discussion_r161359459
--- Diff:
storm-client/src/jvm/org/apache/storm/serialization/SerializationFactory.java
---
@@ -20,6 +20,7 @@
import org.apache.storm.Config;
import org.apache.storm.generated.ComponentCommon;
import org.apache.storm.generated.StormTopology;
+import org.apache.storm.messaging.netty.BackPressureStatus;
--- End diff --
fixed.---
