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vinoyang commented on FLINK-11631: ---------------------------------- Another instance: [https://api.travis-ci.com/v3/job/218607774/log.txt] > TaskExecutorITCase#testJobReExecutionAfterTaskExecutorTermination unstable on > Travis > ------------------------------------------------------------------------------------ > > Key: FLINK-11631 > URL: https://issues.apache.org/jira/browse/FLINK-11631 > Project: Flink > Issue Type: Bug > Components: Runtime / Coordination, Tests > Affects Versions: 1.8.0 > Reporter: Till Rohrmann > Assignee: Biao Liu > Priority: Critical > Labels: test-stability > Fix For: 1.9.0 > > > The {{TaskExecutorITCase#testJobReExecutionAfterTaskExecutorTermination}} is > unstable on Travis. It fails with > {code} > 16:12:04.644 [ERROR] > testJobReExecutionAfterTaskExecutorTermination(org.apache.flink.runtime.taskexecutor.TaskExecutorITCase) > Time elapsed: 1.257 s <<< ERROR! > org.apache.flink.util.FlinkException: Could not close resource. > at > org.apache.flink.runtime.taskexecutor.TaskExecutorITCase.teardown(TaskExecutorITCase.java:83) > Caused by: org.apache.flink.util.FlinkException: Error while shutting the > TaskExecutor down. > Caused by: org.apache.flink.util.FlinkException: Could not properly shut down > the TaskManager services. > Caused by: java.lang.IllegalStateException: NetworkBufferPool is not empty > after destroying all LocalBufferPools > {code} > https://api.travis-ci.org/v3/job/493221318/log.txt > The problem seems to be caused by the {{TaskExecutor}} not properly waiting > for the termination of all running {{Tasks}}. Due to this, there is a race > condition which causes that not all buffers are returned to the > {{BufferPool}}. -- This message was sent by Atlassian JIRA (v7.6.14#76016)