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From "Yiqun Lin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10626) VolumeScanner prints incorrect IOException in reportBadBlocks operation
Date Sun, 28 Aug 2016 06:21:21 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yiqun Lin updated HDFS-10626:
-----------------------------
    Resolution: Duplicate
        Status: Resolved  (was: Patch Available)

> VolumeScanner prints incorrect IOException in reportBadBlocks operation
> -----------------------------------------------------------------------
>
>                 Key: HDFS-10626
>                 URL: https://issues.apache.org/jira/browse/HDFS-10626
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Yiqun Lin
>            Assignee: Yiqun Lin
>            Priority: Minor
>              Labels: supportability
>         Attachments: HDFS-10626.001.patch, HDFS-10626.002.patch, HDFS-10626.003.patch,
HDFS-10626.004.patch
>
>
> VolumeScanner throws incorrect IOException in {{datanode.reportBadBlocks}}. The related
codes:
> {code}
>     public void handle(ExtendedBlock block, IOException e) {
>       FsVolumeSpi volume = scanner.volume;
>       ...
>       try {
>         scanner.datanode.reportBadBlocks(block, volume);
>       } catch (IOException ie) {
>         // This is bad, but not bad enough to shut down the scanner.
>         LOG.warn("Cannot report bad " + block.getBlockId(), e);
>       }
>     }
> {code}
> The IOException that printed in the log should be {{ie}} rather than {{e}} which was
passed in method {{handle(ExtendedBlock block, IOException e)}}.
> It will be a important info that can help us to know why datanode reporBadBlocks failed.



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