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From "Sergii Koshel (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-4218) Sporadic "java.lang.RuntimeException: Error triggering a checkpoint..." causes task restarting
Date Thu, 14 Jul 2016 15:26:20 GMT
Sergii Koshel created FLINK-4218:
------------------------------------

             Summary: Sporadic "java.lang.RuntimeException: Error triggering a checkpoint..."
causes task restarting
                 Key: FLINK-4218
                 URL: https://issues.apache.org/jira/browse/FLINK-4218
             Project: Flink
          Issue Type: Improvement
    Affects Versions: 1.0.3
            Reporter: Sergii Koshel


Sporadically see exception as below. And restart of task because of it.

{code:title=Exception|borderStyle=solid}
java.lang.RuntimeException: Error triggering a checkpoint as the result of receiving checkpoint
barrier
	at org.apache.flink.streaming.runtime.tasks.StreamTask$3.onEvent(StreamTask.java:785)
	at org.apache.flink.streaming.runtime.tasks.StreamTask$3.onEvent(StreamTask.java:775)
	at org.apache.flink.streaming.runtime.io.BarrierBuffer.processBarrier(BarrierBuffer.java:203)
	at org.apache.flink.streaming.runtime.io.BarrierBuffer.getNextNonBlocked(BarrierBuffer.java:129)
	at org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:183)
	at org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:66)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:265)
	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:588)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.FileNotFoundException: No such file or directory: s3://<bucket_name_here>/flink/checkpoints/ece317c26960464ba5de75f3bbc38cb2/chk-8810/96eebbeb-de14-45c7-8ebb-e7cde978d6d3
	at org.apache.hadoop.fs.s3a.S3AFileSystem.getFileStatus(S3AFileSystem.java:996)
	at org.apache.hadoop.fs.s3a.S3AFileSystem.getFileStatus(S3AFileSystem.java:77)
	at org.apache.flink.runtime.fs.hdfs.HadoopFileSystem.getFileStatus(HadoopFileSystem.java:351)
	at org.apache.flink.runtime.state.filesystem.AbstractFileStateHandle.getFileSize(AbstractFileStateHandle.java:93)
	at org.apache.flink.runtime.state.filesystem.FileStreamStateHandle.getStateSize(FileStreamStateHandle.java:58)
	at org.apache.flink.runtime.state.AbstractStateBackend$DataInputViewHandle.getStateSize(AbstractStateBackend.java:482)
	at org.apache.flink.streaming.runtime.tasks.StreamTaskStateList.getStateSize(StreamTaskStateList.java:77)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.performCheckpoint(StreamTask.java:604)
	at org.apache.flink.streaming.runtime.tasks.StreamTask$3.onEvent(StreamTask.java:779)
	... 8 more
{code}

I suppose it is related to some race conditions with S3 but would be good to retry a few times
before stop task execution.



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