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Posted to commits@pinot.apache.org by GitBox <gi...@apache.org> on 2019/04/02 16:40:47 UTC
[GitHub] [incubator-pinot] sunithabeeram opened a new pull request #4055:
Handle exceptions during teardown
sunithabeeram opened a new pull request #4055: Handle exceptions during teardown
URL: https://github.com/apache/incubator-pinot/pull/4055
We see random integration test failures in SegmentStatusCheckerIntegrationTest.tearDown
with the trace:
java.lang.NullPointerException
at org.apache.helix.participant.HelixStateMachineEngine.reset(HelixStateMachineEngine.java:156)
at org.apache.helix.messaging.handling.HelixTaskExecutor.reset(HelixTaskExecutor.java:602)
at org.apache.helix.messaging.handling.HelixTaskExecutor.shutdown(HelixTaskExecutor.java:1128)
at org.apache.helix.manager.zk.ZKHelixManager.disconnect(ZKHelixManager.java:701)
at org.apache.pinot.server.starter.helix.HelixServerStarter.stop(HelixServerStarter.java:362)
at org.apache.pinot.integration.tests.ClusterTest.stopServer(ClusterTest.java:227)
at org.apache.pinot.integration.tests.controller.periodic.tasks.SegmentStatusCheckerIntegrationTest.tearDown(SegmentStatusCheckerIntegrationTest.java:282)
Its unclear if this is due to an issue in Helix's task framework that has been fixed in subsequent releases. However, this does point to the case where the teardown might abort due to an exception (we attempt to stop broker, server and minion) and an unclean shutdown *may* cause other issues.
This change just handles exceptions so we can still proceed with the rest of the cleanup.
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