[
https://issues.apache.org/jira/browse/SOLR-11171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrzej Bialecki resolved SOLR-11171.
--------------------------------------
Resolution: Fixed
Committed to feature/autoscaling.
> OverseerTriggerThread throws a fatal exception when ScheduledTriggers is
> closed
> -------------------------------------------------------------------------------
>
> Key: SOLR-11171
> URL: https://issues.apache.org/jira/browse/SOLR-11171
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: AutoScaling
> Reporter: Andrzej Bialecki
> Assignee: Andrzej Bialecki
> Fix For: 7.1
>
> Attachments: SOLR-11171.patch
>
>
> [~caomanhdat] reports that some test runs encounter errors like this:
> {code}
> FAILED: org.apache.solr.cloud.LeaderInitiatedRecoveryOnCommitTest.test
> Error Message:
> Captured an uncaught exception in thread: Thread[id=3592,
> name=OverseerAutoScalingTriggerThread-98399623586316301-127.0.0.1:46752__jbu%2Fl-n_0000000002,
> state=RUNNABLE, group=Overseer autoscaling triggers]
> Stack Trace:
> com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an
> uncaught exception in thread: Thread[id=3592,
> name=OverseerAutoScalingTriggerThread-98399623586316301-127.0.0.1:46752__jbu%2Fl-n_0000000002,
> state=RUNNABLE, group=Overseer autoscaling triggers]
> at
> __randomizedtesting.SeedInfo.seed([829F220930068B70:ACB1DD39EFAE688]:0)
> Caused by: org.apache.lucene.store.AlreadyClosedException: ScheduledTriggers
> has been closed and cannot be used anymore
> at __randomizedtesting.SeedInfo.seed([829F220930068B70]:0)
> at
> org.apache.solr.cloud.autoscaling.ScheduledTriggers.add(ScheduledTriggers.java:137)
> at
> org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:189)
> at java.lang.Thread.run(Thread.java:745)
> {code}
> This is caused by the ordering of {{isClosed}} checks vs. the places where
> OverseerTriggerThread attempts to modify scheduled triggers -
> {{OverseerTriggerThread.close()}} sets the flag and closes
> {{ScheduledTriggers}} but the main loop in {{run()}} will continue executing
> until the loop's end and may try to use already closed {{ScheduleTriggers}}.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org
For additional commands, e-mail: dev-h...@lucene.apache.org
