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Posted to dev@lucene.apache.org by "Anshum Gupta (JIRA)" <ji...@apache.org> on 2016/04/22 01:02:12 UTC
[jira] [Reopened] (SOLR-8779) Fix missing InterruptedException
handling in ZkStateReader
[ https://issues.apache.org/jira/browse/SOLR-8779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Anshum Gupta reopened SOLR-8779:
--------------------------------
backport for 5.5.1
> Fix missing InterruptedException handling in ZkStateReader
> ----------------------------------------------------------
>
> Key: SOLR-8779
> URL: https://issues.apache.org/jira/browse/SOLR-8779
> Project: Solr
> Issue Type: Bug
> Reporter: Varun Thacker
> Assignee: Varun Thacker
> Fix For: 6.0, 5.5.1
>
> Attachments: SOLR-8779.patch
>
>
> I was debugging a zk session expired issue and saw this stack-trace
> {code}
> ERROR - 2016-03-03 06:55:53.873; [ ] org.apache.solr.common.SolrException; OverseerAutoReplicaFailoverThread had an error in its thread work loop.:org.apache.solr.common.SolrException: Error reading cluster properties
> at org.apache.solr.common.cloud.ZkStateReader.getClusterProps(ZkStateReader.java:738)
> at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.doWork(OverseerAutoReplicaFailoverThread.java:153)
> at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:132)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.InterruptedException: sleep interrupted
> at java.lang.Thread.sleep(Native Method)
> at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)
> at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)
> at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:308)
> at org.apache.solr.common.cloud.ZkStateReader.getClusterProps(ZkStateReader.java:731)
> ... 3 more
> {code}
> So I audited ZKStateReader and found a couple of places where an InterruptedException was caught but the interrupt flag wasn't set back.
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