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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1615) seek() on closed DFS input stream throws NPE
Date Wed, 11 May 2011 20:37:47 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13032038#comment-13032038
] 

Hadoop QA commented on HDFS-1615:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12478862/HDFS-1615.r1.diff
  against trunk revision 1102005.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 2 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    -1 release audit.  The applied patch generated 1 release audit warnings (more than the
trunk's current 0 warnings).

    -1 core tests.  The patch failed these core unit tests:
                  org.apache.hadoop.cli.TestHDFSCLI
                  org.apache.hadoop.hdfs.TestDFSStorageStateRecovery
                  org.apache.hadoop.hdfs.TestFileConcurrentReader
                  org.apache.hadoop.hdfs.TestReplaceDatanodeOnFailure
                  org.apache.hadoop.tools.TestJMXGet

    +1 contrib tests.  The patch passed contrib unit tests.

    +1 system test framework.  The patch passed system test framework compile.

Test results: https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/483//testReport/
Release audit warnings: https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/483//artifact/trunk/patchprocess/patchReleaseAuditProblems.txt
Findbugs warnings: https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/483//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/483//console

This message is automatically generated.

> seek() on closed DFS input stream throws NPE
> --------------------------------------------
>
>                 Key: HDFS-1615
>                 URL: https://issues.apache.org/jira/browse/HDFS-1615
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Todd Lipcon
>            Assignee: Scott Carey
>              Labels: newbie
>         Attachments: HDFS-1615.patch
>
>
> After closing an input stream on DFS, seeking slightly ahead of the last read will throw
an NPE:
> java.lang.NullPointerException
>         at org.apache.hadoop.hdfs.DFSInputStream.seek(DFSInputStream.java:749)
>         at org.apache.hadoop.fs.FSDataInputStream.seek(FSDataInputStream.java:42)

--
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