Github user mxm commented on a diff in the pull request: https://github.com/apache/flink/pull/1398#discussion_r45728418 --- Diff: flink-contrib/flink-storm/src/main/java/org/apache/flink/storm/wrappers/WrapperSetupHelper.java --- @@ -187,14 +190,15 @@ static synchronized TopologyContext createTopologyContext( } } for (Entry<String, StateSpoutSpec> stateSpout : stateSpouts.entrySet()) { - Integer rc = taskId = processSingleOperator(stateSpout.getKey(), stateSpout + Integer rc = processSingleOperator(stateSpout.getKey(), stateSpout .getValue().get_common(), operatorName, context.getIndexOfThisSubtask(), dop, taskToComponents, componentToSortedTasks, componentToStreamToFields); if (rc != null) { taskId = rc; } } - assert (taskId != null); + + Preconditions.checkNotNull("Task ID may not be null!", taskId); } --- End diff -- They are disabled by default and are not reliable enough.
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