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https://issues.apache.org/jira/browse/FLINK-8455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16331906#comment-16331906
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ASF GitHub Bot commented on FLINK-8455:
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Github user StephanEwen closed the pull request at:
https://github.com/apache/flink/pull/5313
> Add Hadoop to the parent-first loading patterns
> -----------------------------------------------
>
> Key: FLINK-8455
> URL: https://issues.apache.org/jira/browse/FLINK-8455
> Project: Flink
> Issue Type: Improvement
> Components: Core
> Affects Versions: 1.4.0
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Priority: Blocker
> Fix For: 1.5.0, 1.4.1
>
>
> Various users have reported issues (mainly in the BucketingSink) where they
> get ClassCastExceptions related to Hadoop classes.
> In all cases, users had Hadoop dependencies bundled into their application
> jar files. To make the experience better, I suggest to let Hadoop always load
> its classes parent-first.
>
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