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https://issues.apache.org/jira/browse/HDFS-13611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16487849#comment-16487849
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Andrew Wang commented on HDFS-13611:
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Simple patch attached, getFixedByteString(Text) wasn't even useful anyway since
it was just calling toString internally.
> Unsafe use of Text as a ConcurrentHashMap key in PBHelperClient
> ---------------------------------------------------------------
>
> Key: HDFS-13611
> URL: https://issues.apache.org/jira/browse/HDFS-13611
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.10.0, 3.2.0, 3.1.1, 3.0.4
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Priority: Major
> Attachments: HDFS-13611.001.patch
>
>
> Follow on to HDFS-13601, a bug spotted by [~tlipcon]: since Text is mutable,
> it's not safe to use as a hash map key.
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