[jira] [Resolved] (SOLR-8914) ZkStateReader's refreshLiveNodes(Watcher) is not thread safe

["Scott Blum (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-8914?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Scott Blum resolved SOLR-8914.
------------------------------
    Resolution: Fixed

> ZkStateReader's refreshLiveNodes(Watcher) is not thread safe
> ------------------------------------------------------------
>
>                 Key: SOLR-8914
>                 URL: https://issues.apache.org/jira/browse/SOLR-8914
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 5.5, master, 6.0, 5.4.1
>            Reporter: Hoss Man
>            Assignee: Scott Blum
>             Fix For: master, 5.5.1, 6.1, 5.6, 6.0.1
>
>         Attachments: SOLR-8914.patch, SOLR-8914.patch, SOLR-8914.patch, SOLR-8914.patch, jenkins.thetaphi.de_Lucene-Solr-6.x-Solaris_32.log.txt, live_node_mentions_port56361_with_threadIds.log.txt, live_nodes_mentions.log.txt
>
>
> Jenkin's encountered a failure in TestTolerantUpdateProcessorCloud over the weekend....
> {noformat}
> http://jenkins.thetaphi.de/job/Lucene-Solr-6.x-Solaris/32/consoleText
> Checking out Revision c46d7686643e7503304cb35dfe546bce9c6684e7 (refs/remotes/origin/branch_6x)
> Using Java: 64bit/jdk1.8.0 -XX:+UseCompressedOops -XX:+UseG1GC
> {noformat}
> The failure happened during the static setup of the test, when a MiniSolrCloudCluster & several clients are initialized -- before any code related to TolerantUpdateProcessor is ever used.
> I can't reproduce this, or really make sense of what i'm (not) seeing here in the logs, so i'm filing this jira with my analysis in the hopes that someone else can help make sense of it.



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