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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1712) Unhandled exception in Block CRC upgrade on datanode.
Date Tue, 14 Aug 2007 22:39:31 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Raghu Angadi updated HADOOP-1712:
---------------------------------

    Status: Patch Available  (was: Open)

> Unhandled exception in Block CRC upgrade on datanode.
> -----------------------------------------------------
>
>                 Key: HADOOP-1712
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1712
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.14.0
>            Reporter: Raghu Angadi
>            Assignee: Raghu Angadi
>            Priority: Blocker
>             Fix For: 0.14.0
>
>         Attachments: HADOOP-1712.patch, HADOOP-1712.patch
>
>
> One of the un-handled IOException during BlockCRC upgrade results in the upgrade thread
to exit with out proper upgrade. 
> exception on the datanode :
> {noformat}
> 2007-08-13 22:18:27,324 ERROR org.apache.hadoop.dfs.DataNode: java.io.IOException: Block
blk_-6404399692543439055 is not valid.
>         at org.apache.hadoop.dfs.FSDataset.getBlockFile(FSDataset.java:492)
>         at org.apache.hadoop.dfs.BlockCrcUpgradeObjectDatanode.doUpgrade(BlockCrcUpgrade.java:1431)
>         at org.apache.hadoop.dfs.UpgradeObjectDatanode.run(UpgradeObjectDatanode.java:95)
>         at java.lang.Thread.run(Thread.java:619)
> {noformat}
> Will also check if there are any more of such misses.

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