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https://issues.apache.org/jira/browse/SOLR-17764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17985687#comment-17985687
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Chris M. Hostetter commented on SOLR-17764:
-------------------------------------------
As alluded to in the above commit messages...
Since it sounds like a 9.9 release is likely to happen this week, and we have
no yet been able agree on what the SolrJ is currently doing (let alone have a
discussion about what it _should_ be doing) I change the default value of
{{SOLR_JETTY_GRACEFUL}} in {{bin/solr}} to false, out of an abundance of
caution to avoid impacting existing users.
I did *NOT* revert any of the changes to JettySolrRunner, in the hopes that we
can move _forward_ with a discussion of the nature of these failures and how to
improve Solr/SolrJ
> "graceful" jetty shutdown causes ChaosMonkeySafeLeaderWithPullReplicasTest
> failures
> -----------------------------------------------------------------------------------
>
> Key: SOLR-17764
> URL: https://issues.apache.org/jira/browse/SOLR-17764
> Project: Solr
> Issue Type: Bug
> Reporter: Chris M. Hostetter
> Priority: Major
> Attachments:
> E7F93005B9386058.OUTPUT-org.apache.solr.cloud.ChaosMonkeySafeLeaderWithPullReplicasTest.txt
>
>
> Reviewing recent jenkins test failure metrics, I noticed that (Nightly) test
> ChaosMonkeySafeLeaderWithPullReplicasTest started failing ~60% of the time
> right around the time that SOLR-17744 was committed.
> Things i have observed:
> * Seeds from failing runs seem to reliably reproduce the failure
> ** These failures do *NOT* reproduce if i revert to just before SOLR-17744
> * Ad-hoc testing I've done of seeds that do _not_ fail on first attempt seem
> to reliably succeed on all subsequent attempts
> ** Suggesting that the root cause is something deterministic in the
> {{{}random(){}}}-ness of the test, and not something dependent on timing or
> concurrency.
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