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https://issues.apache.org/jira/browse/FLINK-21511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17292715#comment-17292715
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Arvid Heise commented on FLINK-21511:
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Thank you [~zhangmeng0426] for bringing this up and doing the investigation. I
assigned the ticket to you.
> Flink connector elasticsearch 6.x has a bug about BulkProcessor hangs for
> threads deadlocked
> ---------------------------------------------------------------------------------------------
>
> Key: FLINK-21511
> URL: https://issues.apache.org/jira/browse/FLINK-21511
> Project: Flink
> Issue Type: Bug
> Components: Connectors / ElasticSearch
> Affects Versions: 1.10.3, 1.11.3, 1.12.1
> Reporter: zhangmeng
> Assignee: zhangmeng
> Priority: Major
> Labels: pull-request-available
>
> We use flink1.10, flink elasticsearch connector 6.x to write elasticsearch. A
> total of 50 tasks running a weeks. There were more than 30 tasks that no
> longer wrote data. Investigation found that there was a deadlock bug in the
> current version of elasticsearch. and fixed on high version.
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