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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8368) Erasure Coding: DFS opening a non-existent file need to be handled properly
Date Wed, 30 Sep 2015 19:35:26 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14938384#comment-14938384
] 

Hudson commented on HDFS-8368:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #2408 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2408/])
HDFS-8368. Erasure Coding: DFS opening a non-existent file need to be (zhezhang: rev 54d28275226e0bc3b0d46142ce20f74a52e66395)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-EC-7285.txt
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java


> Erasure Coding: DFS opening a non-existent file need to be handled properly
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-8368
>                 URL: https://issues.apache.org/jira/browse/HDFS-8368
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>             Fix For: HDFS-7285
>
>         Attachments: HDFS-8368-HDFS-7285.00.patch
>
>
> This jira to address bad exceptions when opening a non-existent file. It throws NPE as
shown below:
> {code}
> java.lang.NullPointerException: null
> 	at org.apache.hadoop.hdfs.DFSClient.open(DFSClient.java:1184)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$3.doCall(DistributedFileSystem.java:307)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$3.doCall(DistributedFileSystem.java:303)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.open(DistributedFileSystem.java:303)
> 	at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:767)
> 	at org.apache.hadoop.hdfs.TestDistributedFileSystem.testDFSClient(TestDistributedFileSystem.java:359)
> 	at org.apache.hadoop.hdfs.TestDistributedFileSystem.testAllWithNoXmlDefaults(TestDistributedFileSystem.java:666)
> {code}



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