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https://issues.apache.org/jira/browse/FLINK-16637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17070801#comment-17070801
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Gary Yao edited comment on FLINK-16637 at 3/30/20, 8:57 AM:
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[~tison] Thanks for looking into this.
{quote}The solution should be straightforward: we ensure that
{{AbstractHandler#closeAsync}} called at most once.
{quote}
I would also add a guard to {{InFlightRequestTracker}}. What do you think?
{quote}Further investigation could try to figure out whether or not we can
remove
org/apache/flink/runtime/webmonitor/WebMonitorEndpoint.java:597
handlers.add(Tuple2.of(YarnCancelJobTerminationHeaders.getInstance(),
jobCancelTerminationHandler));
{quote}
I am afraid that this is not possible since we are also supporting old Hadoop
versions.
was (Author: gjy):
[~tison] Thanks for looking into this.
{quote}The solution should be straightforward: we ensure that
{{AbstractHandler#closeAsync}} called at most once.
{quote}
I would also add a guard to {{InFlightRequestTracker. What do you think?}}
{quote}Further investigation could try to figure out whether or not we can
remove
org/apache/flink/runtime/webmonitor/WebMonitorEndpoint.java:597
handlers.add(Tuple2.of(YarnCancelJobTerminationHeaders.getInstance(),
jobCancelTerminationHandler));
{quote}
I am afraid that this is not possible since we are also supporting old Hadoop
versions.
> Flink per job mode terminates before serving job cancellation result
> --------------------------------------------------------------------
>
> Key: FLINK-16637
> URL: https://issues.apache.org/jira/browse/FLINK-16637
> Project: Flink
> Issue Type: Bug
> Components: Deployment / YARN
> Affects Versions: 1.10.0
> Reporter: Zili Chen
> Priority: Major
> Attachments: yarn.log
>
>
> The {{MiniDispatcher}} no longer waits until the REST handler has served the
> cancellation result before shutting down. This behaviour seems to be
> introduced with FLINK-15116.
> See also
> [https://lists.apache.org/x/thread.html/rcadbd6ceede422bac8d4483fd0cdae58659fbff78533a399eb136743@%3Cdev.flink.apache.org%3E]
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