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Posted to common-issues@hadoop.apache.org by "Gaurav Kanade (JIRA)" <ji...@apache.org> on 2016/03/02 01:20:18 UTC
[jira] [Commented] (HADOOP-12717) NPE when trying to rename a
directory in Windows Azure Storage FileSystem
[ https://issues.apache.org/jira/browse/HADOOP-12717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15174682#comment-15174682 ]
Gaurav Kanade commented on HADOOP-12717:
----------------------------------------
[~rayokota][~cnauroth] It seems other customers are too hitting this issue and is pretty annoying; this needs to be fixed. At first glance the patch seems fine to me.
However not sure if it may break some other dependencies in the WASB driver so adding [~dchickabasapa] to take a look and review
> NPE when trying to rename a directory in Windows Azure Storage FileSystem
> -------------------------------------------------------------------------
>
> Key: HADOOP-12717
> URL: https://issues.apache.org/jira/browse/HADOOP-12717
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Robert Yokota
> Attachments: diff.txt
>
>
> Encountered an NPE when trying to use the HBase utility ExportSnapshot with Azure as the target.
> It turns out verifyAndConvertToStandardFormat is returning null when determining the hbaseRoot, and this is being added to the atomicRenameDirs set.
> java.lang.NullPointerException
> at org.apache.hadoop.fs.azure.AzureNativeFileSystemStore.isKeyForDirectorySet(AzureNativeFileSystemStore.java:1059)
> at org.apache.hadoop.fs.azure.AzureNativeFileSystemStore.isAtomicRenameKey(AzureNativeFileSystemStore.java:1053)
> at org.apache.hadoop.fs.azure.NativeAzureFileSystem.prepareAtomicFolderRename(NativeAzureFileSystem.java:2098)
> at org.apache.hadoop.fs.azure.NativeAzureFileSystem.rename(NativeAzureFileSystem.java:1996)
> at org.apache.hadoop.hbase.snapshot.ExportSnapshot.run(ExportSnapshot.java:944)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at com.yammer.calmie.snapshot.AbstractSnapshotUtil.exportSnapshot(AbstractSnapshotUtil.java:210)
> at com.yammer.calmie.snapshot.AbstractSnapshotUtil.run(AbstractSnapshotUtil.java:79)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at com.yammer.calmie.snapshot.SnapshotAzureBlobUtil.main(SnapshotAzureBlobUtil.java:85)
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