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https://issues.apache.org/jira/browse/APEXMALHAR-2508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16156447#comment-16156447
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ASF GitHub Bot commented on APEXMALHAR-2508:
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tushargosavi closed pull request #634: APEXMALHAR-2508 Add null check while
calling cancel() for Timer instance in CacheManager
URL: https://github.com/apache/apex-malhar/pull/634
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> CacheManager throws exception when the operator receives a shutdown request
> ---------------------------------------------------------------------------
>
> Key: APEXMALHAR-2508
> URL: https://issues.apache.org/jira/browse/APEXMALHAR-2508
> Project: Apache Apex Malhar
> Issue Type: Bug
> Reporter: Ajay Gupta
> Assignee: Ajay Gupta
> Priority: Minor
>
> CacheManager initializes the Timer (refresher) only if refreshTime is not
> null. However, in deactivate, before cancelling the timer, there is no null
> check leading to NullPointerException.
> Solution : Add a null check before cancelling the timer.
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