Github user HeartSaVioR commented on a diff in the pull request:
https://github.com/apache/storm/pull/2475#discussion_r162312970
--- Diff: storm-client/src/jvm/org/apache/storm/spout/ShellSpout.java ---
@@ -50,6 +51,7 @@
private SpoutOutputCollector _collector;
private String[] _command;
private Map<String, String> env = new HashMap<>();
+ private ShellLogHandler _logHandler;
--- End diff --
You seems missing initialization here on spout.---
