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https://issues.apache.org/jira/browse/FLINK-21472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17303030#comment-17303030
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Yang Wang commented on FLINK-21472:
-----------------------------------
I have also reproduced the {{FencingTokenException}}. The root cause is same
with FLINK-21685. Increase the value of {{cluster.io-pool.size}} should help.
Refer to FLINK-21685 for more information about the analysis.
I will close this ticket. If any user finds that it still could not solve your
problems, feel free to reopen this ticket.
> FencingTokenException: Fencing token mismatch
> ---------------------------------------------
>
> Key: FLINK-21472
> URL: https://issues.apache.org/jira/browse/FLINK-21472
> Project: Flink
> Issue Type: Bug
> Components: Deployment / Kubernetes
> Affects Versions: 1.12.1
> Reporter: hayden zhou
> Priority: Major
> Attachments:
> flink--standalonesession-0-mta-flink-jobmanager-864d6c8cbb-rmsxw.log
>
>
> org.apache.flink.runtime.rest.handler.job.JobsOverviewHandler [] - Unhandled
> exception.
> org.apache.flink.runtime.rpc.exceptions.FencingTokenException: Fencing token
> mismatch: Ignoring message
> LocalFencedMessage(8fac01d8e3e3988223a2e5c6e3f04f1e,
> LocalRpcInvocation(requestMultipleJobDetails(Time))) because the fencing
> token 8fac01d8e3e3988223a2e5c6e3f04f1e did not match the expected fencing
> token 8c37414f464bca76144e6cabc946474b.
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