[jira] [Created] (FLINK-6311) NPE in FlinkKinesisConsumer if source was closed before run

[Shang Yuanchun (Jira)]

Tzu-Li (Gordon) Tai created FLINK-6311:
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             Summary: NPE in FlinkKinesisConsumer if source was closed before run
                 Key: FLINK-6311
                 URL: https://issues.apache.org/jira/browse/FLINK-6311
             Project: Flink
          Issue Type: Bug
          Components: Kinesis Connector
            Reporter: Tzu-Li (Gordon) Tai


This was reported by an user: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Flink-errors-out-and-job-fails-IOException-from-CollectSink-open-td12606.html

The {{shutdownFetcher}} method of {{KinesisDataFetcher}} is not protected against the condition when the source was closed before it started running. Both {{mainThread}} and {{shardConsumersExecutor}} should have null checks.



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