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https://issues.apache.org/jira/browse/SPARK-3567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14137033#comment-14137033
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Apache Spark commented on SPARK-3567:
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User 'sarutak' has created a pull request for this issue:
https://github.com/apache/spark/pull/2428
> appId field in SparkDeploySchedulerBackend should be volatile
> -------------------------------------------------------------
>
> Key: SPARK-3567
> URL: https://issues.apache.org/jira/browse/SPARK-3567
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.2.0
> Reporter: Kousuke Saruta
>
> appId field in SparkDeploySchedulerBackend is set by
> AppClient.ClientActor#receiveWithLogging and appId is referred via
> SparkDeploySchedulerBackend#applicationId.
> A thread which runs AppClient.ClientActor and a thread invoking
> SparkDeploySchedulerBackend#applicationId can be another threads so appId
> should be volatile.
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