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  1. Flink
  2. FLINK-5663

Checkpoint fails because of closed registry

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      Description

      While testing the 1.2.0 release I got the following Exception:

      2017-01-26 17:29:20,602 INFO  org.apache.flink.runtime.taskmanager.Task                     - Source: Custom Source (3/8) (2dbce778c4e53a39dec3558e868ceef4) switched from RUNNING to FAILED.
      java.lang.Exception: Error while triggering checkpoint 2 for Source: Custom Source (3/8)
      	at org.apache.flink.runtime.taskmanager.Task$3.run(Task.java:1117)
      	at java.util.concurrent.Executors$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 perform checkpoint 2 for operator Source: Custom Source (3/8).
      	at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpoint(StreamTask.java:533)
      	at org.apache.flink.runtime.taskmanager.Task$3.run(Task.java:1108)
      	... 5 more
      Caused by: java.lang.Exception: Could not complete snapshot 2 for operator Source: Custom Source (3/8).
      	at org.apache.flink.streaming.api.operators.AbstractStreamOperator.snapshotState(AbstractStreamOperator.java:372)
      	at org.apache.flink.streaming.runtime.tasks.StreamTask$CheckpointingOperation.checkpointStreamOperator(StreamTask.java:1116)
      	at org.apache.flink.streaming.runtime.tasks.StreamTask$CheckpointingOperation.executeCheckpointing(StreamTask.java:1052)
      	at org.apache.flink.streaming.runtime.tasks.StreamTask.checkpointState(StreamTask.java:640)
      	at org.apache.flink.streaming.runtime.tasks.StreamTask.performCheckpoint(StreamTask.java:585)
      	at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpoint(StreamTask.java:528)
      	... 6 more
      Caused by: java.io.IOException: Could not flush and close the file system output stream to file:/Users/uce/Desktop/1-2-testing/fs/83889867a493a1dc80f6c588c071b679/chk-2/e4415d0d-719c-48df-91a9-3171ba468152 in order to obtain the stream state handle
      	at org.apache.flink.runtime.state.filesystem.FsCheckpointStreamFactory$FsCheckpointStateOutputStream.closeAndGetHandle(FsCheckpointStreamFactory.java:333)
      	at org.apache.flink.runtime.state.DefaultOperatorStateBackend.snapshot(DefaultOperatorStateBackend.java:200)
      	at org.apache.flink.streaming.api.operators.AbstractStreamOperator.snapshotState(AbstractStreamOperator.java:357)
      	... 11 more
      Caused by: java.io.IOException: Could not open output stream for state backend
      	at org.apache.flink.runtime.state.filesystem.FsCheckpointStreamFactory$FsCheckpointStateOutputStream.createStream(FsCheckpointStreamFactory.java:368)
      	at org.apache.flink.runtime.state.filesystem.FsCheckpointStreamFactory$FsCheckpointStateOutputStream.flush(FsCheckpointStreamFactory.java:225)
      	at org.apache.flink.runtime.state.filesystem.FsCheckpointStreamFactory$FsCheckpointStateOutputStream.closeAndGetHandle(FsCheckpointStreamFactory.java:305)
      	... 13 more
      Caused by: java.io.IOException: Cannot register Closeable, registry is already closed. Closing argument.
      	at org.apache.flink.util.AbstractCloseableRegistry.registerClosable(AbstractCloseableRegistry.java:63)
      	at org.apache.flink.core.fs.ClosingFSDataOutputStream.wrapSafe(ClosingFSDataOutputStream.java:99)
      	at org.apache.flink.core.fs.SafetyNetWrapperFileSystem.create(SafetyNetWrapperFileSystem.java:123)
      	at org.apache.flink.runtime.state.filesystem.FsCheckpointStreamFactory$FsCheckpointStateOutputStream.createStream(FsCheckpointStreamFactory.java:359)
      	... 15 more
      

      The job recovered and kept running.

      Stefan Richter Can this be a race with the closable registry?

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            • Assignee:
              srichter Stefan Richter
              Reporter:
              uce Ufuk Celebi
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              • Created:
                Updated:
                Resolved: