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https://issues.apache.org/jira/browse/HDFS-13452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16470609#comment-16470609
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Daryn Sharp commented on HDFS-13452:
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# Is it valid for {{representativeRecord}} to return null? If no, ignoring it
is wrong.
# I don't see how flipping the args in the assert matters since the LHS is
"more likely" (yet unlikely) to be null?
> Some Potential NPE
> -------------------
>
> Key: HDFS-13452
> URL: https://issues.apache.org/jira/browse/HDFS-13452
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: lujie
> Priority: Major
> Attachments: HDFS-13542_1.patch
>
>
> We have developed a static analysis tool
> [NPEDetector|https://github.com/lujiefsi/NPEDetector] to find some potential
> NPE, just as descroped in HDFS-13451. We found another two bug or bad
> practice after improve the tool.
> attach the patch here
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