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  1. Flink
  2. FLINK-4905

Kafka test instability IllegalStateException: Client is not started

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      The following travis build (https://s3.amazonaws.com/archive.travis-ci.org/jobs/170365439/log.txt) failed because of this error

      08:17:11,239 INFO  org.apache.flink.runtime.jobmanager.JobManager                - Status of job 33ebdc0e7c91be186d80658ce3d17069 (Read some records to commit offsets to Kafka) changed to FAILING.
      java.lang.RuntimeException: Error while confirming checkpoint
      	at org.apache.flink.runtime.taskmanager.Task$4.run(Task.java:1040)
      	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
      	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      	at java.lang.Thread.run(Thread.java:745)
      Caused by: java.lang.IllegalStateException: Client is not started
      	at org.apache.flink.shaded.com.google.common.base.Preconditions.checkState(Preconditions.java:173)
      	at org.apache.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperClient.java:113)
      	at org.apache.curator.utils.EnsurePath$InitialHelper$1.call(EnsurePath.java:148)
      	at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:107)
      	at org.apache.curator.utils.EnsurePath$InitialHelper.ensure(EnsurePath.java:141)
      	at org.apache.curator.utils.EnsurePath.ensure(EnsurePath.java:99)
      	at org.apache.flink.streaming.connectors.kafka.internals.ZookeeperOffsetHandler.setOffsetInZooKeeper(ZookeeperOffsetHandler.java:133)
      	at org.apache.flink.streaming.connectors.kafka.internals.ZookeeperOffsetHandler.prepareAndCommitOffsets(ZookeeperOffsetHandler.java:93)
      	at org.apache.flink.streaming.connectors.kafka.internals.Kafka08Fetcher.commitInternalOffsetsToKafka(Kafka08Fetcher.java:341)
      	at org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.notifyCheckpointComplete(FlinkKafkaConsumerBase.java:421)
      	at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.notifyOfCompletedCheckpoint(AbstractUdfStreamOperator.java:229)
      	at org.apache.flink.streaming.runtime.tasks.StreamTask.notifyCheckpointComplete(StreamTask.java:571)
      	at org.apache.flink.runtime.taskmanager.Task$4.run(Task.java:1035)
      	... 5 more
      08:17:11,241 INFO  org.apache.flink.runtime.taskmanager.Task                     - Attempting to cancel task Source: Custom Source -> Map -> Map -> Sink: Unnamed (1/3)
      

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              • Assignee:
                Andrew Efimov Andrew Efimov
                Reporter:
                rmetzger Robert Metzger
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                • Created:
                  Updated:
                  Resolved: