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Kostas Kloudas closed FLINK-6321. --------------------------------- Resolution: Fixed Hi, We just merged 2 in the master fixes for the following issues. https://issues.apache.org/jira/browse/FLINK-7835 https://issues.apache.org/jira/browse/FLINK-7484 I believe that these also fix the issue in this JIRA, this is why I am closing it. Please try the master, and if the problem persists, feel free to re-open it. > RocksDB state backend Checkpointing is not working with KeyedCEP. > ----------------------------------------------------------------- > > Key: FLINK-6321 > URL: https://issues.apache.org/jira/browse/FLINK-6321 > Project: Flink > Issue Type: Sub-task > Components: CEP > Affects Versions: 1.2.0 > Environment: yarn-cluster, RocksDB State backend, Checkpointing every > 1000 ms > Reporter: Shashank Agarwal > Assignee: Kostas Kloudas > Priority: Blocker > Fix For: 1.4.0 > > > Checkpointing is not working with RocksDBStateBackend when using CEP. It's > working fine with FsStateBackend and MemoryStateBackend. Application failing > every-time. > {code} > 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 > {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029)