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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8368) Erasure Coding: DFS opening a non-existent file need to be handled properly
Date Tue, 12 May 2015 21:33:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhe Zhang updated HDFS-8368:
----------------------------
       Resolution: Fixed
    Fix Version/s: HDFS-7285
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

> 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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