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https://issues.apache.org/jira/browse/HDFS-14486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16848875#comment-16848875
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Ayush Saxena commented on HDFS-14486:
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[~elgoiri] can you help review?
> The exception classes in some throw statements do not accurately describe why
> they are thrown
> ---------------------------------------------------------------------------------------------
>
> Key: HDFS-14486
> URL: https://issues.apache.org/jira/browse/HDFS-14486
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: eBugs
> Assignee: Ayush Saxena
> Priority: Minor
> Attachments: HDFS-14486-01.patch, HDFS-14486-02.patch,
> HDFS-14486-03.patch, HDFS-14486-04.patch
>
>
> Dear HDFS developers, we are developing a tool to detect exception-related
> bugs in Java. Our prototype has spotted a few {{throw}} statements whose
> exception class does not accurately describe why they are thrown. This can be
> dangerous since it makes correctly handling them challenging. For example, in
> an old bug, HDFS-8224, throwing a general {{IOException}} makes it difficult
> to perform data recovery specifically when a metadata file is corrupted.
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