Robert Metzger created FLINK-4905: ------------------------------------- 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} -- This message was sent by Atlassian JIRA (v6.3.4#6332)