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https://issues.apache.org/jira/browse/HDFS-17879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18063872#comment-18063872
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ASF GitHub Bot commented on HDFS-17879:
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balodesecurity commented on PR #8281:
URL: https://github.com/apache/hadoop/pull/8281#issuecomment-4018673109
Hi @pan3793 @aajisaka — could you take a look at this when you get a chance?
All CI checks are passing. Thanks!
> Premature error handling accesses uninitialized dnInfo
> ------------------------------------------------------
>
> Key: HDFS-17879
> URL: https://issues.apache.org/jira/browse/HDFS-17879
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.4.1
> Reporter: John Doe
> Priority: Major
> Labels: pull-request-available
>
> During block reading, an {{IOException}} triggers error-handling logic in
> {{createBlockReader}} that assumes {{dnInfo}} has already been initialized,
> but the failure occurs before this initialization completes, causing a
> {{NullPointerException}} when {{dnInfo}} is prematurely used.
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