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https://issues.apache.org/jira/browse/FLINK-6130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15970408#comment-15970408
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Ted Yu commented on FLINK-6130:
-------------------------------
You can store the return value from getTerminationFuture in a variable inside
the synchronized block.
Outside the synchronized block, call get() on the variable.
> Consider calling resourceManager#getTerminationFuture() with lock held
> ----------------------------------------------------------------------
>
> Key: FLINK-6130
> URL: https://issues.apache.org/jira/browse/FLINK-6130
> Project: Flink
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: mingleizhang
> Priority: Minor
>
> In YarnFlinkApplicationMasterRunner#runApplicationMaster() :
> {code}
> synchronized (lock) {
> LOG.info("Starting High Availability Services");
> ...
> }
> // wait for resource manager to finish
> resourceManager.getTerminationFuture().get();
> {code}
> resourceManager#getTerminationFuture() is called without holding lock.
> We should store the value returned from
> resourceManager#getTerminationFuture() inside the synchronized block.
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