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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4351) ArrayIndexOutOfBoundsException during fsck
Date Sat, 11 Oct 2008 01:59:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12638701#action_12638701
] 

Hadoop QA commented on HADOOP-4351:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12391911/arrayIndexOutOfBounds3.patch
  against trunk revision 703508.

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

    +1 tests included.  The patch appears to include 3 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 warnings.

    +1 Eclipse classpath. The patch retains Eclipse classpath integrity.

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3441/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3441/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3441/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3441/console

This message is automatically generated.

> ArrayIndexOutOfBoundsException during fsck
> ------------------------------------------
>
>                 Key: HADOOP-4351
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4351
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.18.1
>            Reporter: Brian Bockelman
>            Assignee: Hairong Kuang
>            Priority: Blocker
>             Fix For: 0.18.2, 0.19.0
>
>         Attachments: arrayIndexOutOfBounds.patch, arrayIndexOutOfBounds1.patch, arrayIndexOutOfBounds2.patch,
arrayIndexOutOfBounds3.patch, fsck_hadoop_4351.patch
>
>
> After observing a lot of corrupted blocks, I suddenly started to get a lot of ArrayIndexOutOfBoundsException.
> It appears to be an issue very similar to HADOOP-3649, which is supposed to be fixed
in 0.18.1.
> 2008-10-06 08:48:43,241 WARN /: /fsck?path=%2F:
> java.lang.ArrayIndexOutOfBoundsException: 2
>    at org.apache.hadoop.dfs.FSNamesystem.getBlockLocationsInternal(FSNamesystem.java:789)
>    at org.apache.hadoop.dfs.FSNamesystem.getBlockLocations(FSNamesystem.java:727)
>    at org.apache.hadoop.dfs.NamenodeFsck.check(NamenodeFsck.java:167)
>    at org.apache.hadoop.dfs.NamenodeFsck.check(NamenodeFsck.java:162)
>    at org.apache.hadoop.dfs.NamenodeFsck.check(NamenodeFsck.java:162)
>    at org.apache.hadoop.dfs.NamenodeFsck.check(NamenodeFsck.java:162)
>    at org.apache.hadoop.dfs.NamenodeFsck.check(NamenodeFsck.java:162)
>    at org.apache.hadoop.dfs.NamenodeFsck.fsck(NamenodeFsck.java:128)
>    at org.apache.hadoop.dfs.FsckServlet.doGet(FsckServlet.java:48)
>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>    at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:427)
>    at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:475)
>    at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:567)
>    at org.mortbay.http.HttpContext.handle(HttpContext.java:1565)
>    at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:635)
>    at org.mortbay.http.HttpContext.handle(HttpContext.java:1517)
>    at org.mortbay.http.HttpServer.service(HttpServer.java:954)
>    at org.mortbay.http.HttpConnection.service(HttpConnection.java:814)
>    at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:981)
>    at org.mortbay.http.HttpConnection.handle(HttpConnection.java:831)
>    at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:244)
>    at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357)
>    at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)

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