Robert Metzger created FLINK-4905:
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Summary: Kafka test instability IllegalStateException: Client is not started
Key: FLINK-4905
URL:
https://issues.apache.org/jira/browse/FLINK-4905 Project: Flink
Issue Type: Bug
Components: Kafka Connector
Reporter: Robert Metzger
The following travis build (
https://s3.amazonaws.com/archive.travis-ci.org/jobs/170365439/log.txt) failed because of this error
{code}
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)
{code}
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