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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-5987) Fix findbugs warnings in Rolling Upgrade branch
Date Thu, 20 Feb 2014 23:23:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arpit Agarwal resolved HDFS-5987.
---------------------------------

          Resolution: Fixed
       Fix Version/s: HDFS-5535 (Rolling upgrades)
    Target Version/s: HDFS-5535 (Rolling upgrades)
        Hadoop Flags: Reviewed

+1 for the patch.

Thanks for fixing these Nicholas!

> Fix findbugs warnings in Rolling Upgrade branch
> -----------------------------------------------
>
>                 Key: HDFS-5987
>                 URL: https://issues.apache.org/jira/browse/HDFS-5987
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, ha, hdfs-client, namenode
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Minor
>             Fix For: HDFS-5535 (Rolling upgrades)
>
>         Attachments: h5987_20140220.patch
>
>
> {noformat}
> RV 	org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceStorage.restoreBlockFilesFromTrash(File)
ignores exceptional return value of java.io.File.mkdirs()
> RV 	org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceStorage.restoreBlockFilesFromTrash(File)
ignores exceptional return value of java.io.File.renameTo(File)
> RV 	org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetAsyncDiskService$ReplicaFileDeleteTask.moveFiles()
ignores exceptional return value of java.io.File.mkdirs()
> IS 	Inconsistent synchronization of org.apache.hadoop.hdfs.qjournal.server.Journal.committedTxnId;
locked 92% of time
> NP 	Dereference of the result of readLine() without nullcheck in org.apache.hadoop.hdfs.util.MD5FileUtils.renameMD5File(File,
File)
> {noformat}



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