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https://issues.apache.org/jira/browse/STORM-1676?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15221571#comment-15221571
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ASF GitHub Bot commented on STORM-1676:
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GitHub user abhishekagarwal87 opened a pull request:
https://github.com/apache/storm/pull/1298
[STORM-1676] Filter null executor stats from worker heartbeat map
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/abhishekagarwal87/storm stat-util
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/storm/pull/1298.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1298
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commit 3957be5495fbbc79f9c47c4dfa9a3670e7ddb36f
Author: Abhishek Agarwal <[email protected]>
Date: 2016-04-01T11:24:29Z
Filter null executor stats from worker heartbeat map
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> NullPointerException while serializing ClusterWorkerHearbeat
> ------------------------------------------------------------
>
> Key: STORM-1676
> URL: https://issues.apache.org/jira/browse/STORM-1676
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-core
> Reporter: Abhishek Agarwal
>
> `Map<ExecutorInfo,ExecutorStats> executor_stats` had null value in the key
> which was causing NPE during serialization.
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