[jira] [Created] (FLINK-6321) RocksDB state backend Checkpointing is not working with KeydCEP.

["Shashank Agarwal (JIRA)" <ji...@apache.org>]

Shashank Agarwal created FLINK-6321:
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             Summary: RocksDB state backend Checkpointing is not working with KeydCEP.
                 Key: FLINK-6321
                 URL: https://issues.apache.org/jira/browse/FLINK-6321
             Project: Flink
          Issue Type: Bug
          Components: CEP, State Backends, Checkpointing
    Affects Versions: 1.2.0
         Environment: yarn-cluster, RocksDB State backend, Checkpointing every 1000 ms
            Reporter: Shashank Agarwal


Checkpointing is not working with RocksDBStateBackend when using CEP. It's working fine with FsStateBackend and MemoryStateBackend. Application failing every-time.

'''
04/18/2017 21:53:20	Job execution switched to status FAILING.
AsynchronousException{java.lang.Exception: Could not materialize checkpoint 46 for operator KeyedCEPPatternOperator -> Map (1/4).}
	at org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.run(StreamTask.java:980)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.Exception: Could not materialize checkpoint 46 for operator KeyedCEPPatternOperator -> Map (1/4).
	... 6 more
Caused by: java.util.concurrent.CancellationException
	at java.util.concurrent.FutureTask.report(FutureTask.java:121)
	at java.util.concurrent.FutureTask.get(FutureTask.java:192)
	at org.apache.flink.util.FutureUtil.runIfNotDoneAndGet(FutureUtil.java:40)
	at org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.run(StreamTask.java:915)
	... 5 more

'''





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