Avihai Berkovitz created FLINK-4631:
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Summary: NullPointerException during stream task cleanup
Key: FLINK-4631
URL: https://issues.apache.org/jira/browse/FLINK-4631
Project: Flink
Issue Type: Bug
Affects Versions: 1.1.2
Environment: Ubuntu server 12.04.5 64 bit
java version "1.8.0_40"
Java(TM) SE Runtime Environment (build 1.8.0_40-b26)
Java HotSpot(TM) 64-Bit Server VM (build 25.40-b25, mixed mode)
Reporter: Avihai Berkovitz
If a streaming job failed during startup (in my case, due to lack of network
buffers), all the tasks are being cancelled before they started. This causes
many instances of the following exception:
{noformat}
2016-09-18 14:17:12,177 ERROR
org.apache.flink.streaming.runtime.tasks.StreamTask - Error during
cleanup of stream task
java.lang.NullPointerException
at
org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.cleanup(OneInputStreamTask.java:73)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:323)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:584)
at java.lang.Thread.run(Thread.java:745)
{noformat}
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