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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3533) NPE in DFSClient$DFSInputStream.openInfo
Date Thu, 21 Jun 2012 06:31:43 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13398227#comment-13398227
] 

Amareshwari Sriramadasu commented on HDFS-3533:
-----------------------------------------------

For all the above cases dfs.block.size is 64MB.
                
> NPE in DFSClient$DFSInputStream.openInfo
> ----------------------------------------
>
>                 Key: HDFS-3533
>                 URL: https://issues.apache.org/jira/browse/HDFS-3533
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs client
>    Affects Versions: 0.20.203.0
>            Reporter: Amareshwari Sriramadasu
>         Attachments: cannot-seek-after-eof-dn-logs.txt, cannot-seek-after-eof-nn-logs.txt,
nn-logs-npe.txt, npe-dn-logs.txt
>
>
> I'm seeing the following NPE:
> java.lang.NullPointerException
>         at
> org.apache.hadoop.hdfs.DFSClient$DFSInputStream.openInfo(DFSClient.java:1633)
>         at
> org.apache.hadoop.hdfs.DFSClient$DFSInputStream.<init>(DFSClient.java:1593)
>         at org.apache.hadoop.hdfs.DFSClient.open(DFSClient.java:428)
>         at
> org.apache.hadoop.hdfs.DistributedFileSystem.open(DistributedFileSystem.java:187)
>         at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:456)
> Here, the file gets opened while it's being written.   

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