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Posted to hdfs-dev@hadoop.apache.org by "Xiaoqiao He (Jira)" <ji...@apache.org> on 2022/08/23 10:20:00 UTC

[jira] [Resolved] (HDFS-16717) Replace NPE with IOException in DataNode.class

     [ https://issues.apache.org/jira/browse/HDFS-16717?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiaoqiao He resolved HDFS-16717.
--------------------------------
    Fix Version/s: 3.4.0
     Hadoop Flags: Reviewed
       Resolution: Fixed

Committed to trunk. Thanks [~xuzq_zander]!

> Replace NPE with IOException in DataNode.class
> ----------------------------------------------
>
>                 Key: HDFS-16717
>                 URL: https://issues.apache.org/jira/browse/HDFS-16717
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: ZanderXu
>            Assignee: ZanderXu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> In current logic, if storage not yet initialized, it will throw a NPE in DataNode.class. Developers or SREs are very sensitive to NPE, so I feel that we can use IOException instead of NPE when storage not yet initialized.



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