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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4697) KFS::getBlockLocations() fails with files having multiple blocks
Date Sat, 22 Nov 2008 13:24:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12649921#action_12649921
] 

Hadoop QA commented on HADOOP-4697:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12394365/patch.4697
  against trunk revision 719787.

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

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no tests are needed for this patch.

    +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/3630/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3630/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3630/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3630/console

This message is automatically generated.

> KFS::getBlockLocations() fails with files having multiple blocks
> ----------------------------------------------------------------
>
>                 Key: HADOOP-4697
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4697
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.18.0
>         Environment: Hadoop on KFS
>            Reporter: Lohit Vijayarenu
>            Assignee: Sriram Rao
>             Fix For: 0.19.1
>
>         Attachments: patch.4697
>
>
> getBlockLocations() on KFS fail with the following stack trace for large files (with
multiple blocks).
> {noformat}
>  java.lang.IllegalArgumentException: Offset 67108864 is outside of file
>  (0..67108863)
>         at
>  org.apache.hadoop.mapred.FileInputFormat.getBlockIndex(FileInputFormat.java:336)
>         at
>  org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:248)
>         at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:742)
>         at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1026)
>         at org.apache.hadoop.examples.WordCount.run(WordCount.java:149)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
>         at org.apache.hadoop.examples.WordCount.main(WordCount.java:155)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at
>  sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at
>  sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at
>  org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
>         at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:141)
>         at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:54)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> {noformat}
> blkStart was not updated properly.

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