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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3635) Uncaught exception in DataBlockScanner
Date Mon, 30 Jun 2008 19:54:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12609342#action_12609342
] 

Hadoop QA commented on HADOOP-3635:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12384973/3635_20080630.patch
  against trunk revision 672848.

    +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 release audit.  The applied patch does not increase the total number of release audit
warnings.

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

    -1 contrib tests.  The patch failed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2773/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2773/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2773/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2773/console

This message is automatically generated.

> Uncaught exception in DataBlockScanner
> --------------------------------------
>
>                 Key: HADOOP-3635
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3635
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.17.0
>         Environment: 17.0 + H1979-H2159-H3442
>            Reporter: Koji Noguchi
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Blocker
>             Fix For: 0.18.0
>
>         Attachments: 3635_20080627.patch, 3635_20080630.patch, jstack.H3635.txt
>
>
> I see bunch of datanodes stop verifying local blocks.
> ".out" showed 
> {noformat}
> -rw-r--r--  1 hdfs users 614 Jun 23 10:24 datanode.out
> Exception in thread "org.apache.hadoop.dfs.DataBlockScanner@aadc97" java.lang.NumberFormatException:
For input string: "121195228080date="
>         at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
>         at java.lang.Long.parseLong(Long.java:412)
>         at java.lang.Long.valueOf(Long.java:518)
>         at org.apache.hadoop.dfs.DataBlockScanner$LogEntry.parseEntry(DataBlockScanner.java:351)
>         at org.apache.hadoop.dfs.DataBlockScanner.assignInitialVerificationTimes(DataBlockScanner.java:481)
>         at org.apache.hadoop.dfs.DataBlockScanner.run(DataBlockScanner.java:534)
>         at java.lang.Thread.run(Thread.java:619)
> {noformat}
> Namenode log also showed 
> {noformat}
> 2008-06-23 10:24:12,831 WARN org.apache.hadoop.dfs.DataBlockScanner: RuntimeException
during DataBlockScanner.run() : java.lang.NumberFormatException: For input string: "121195228080date="
>         at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
>         at java.lang.Long.parseLong(Long.java:412)
>         at java.lang.Long.valueOf(Long.java:518)
>         at org.apache.hadoop.dfs.DataBlockScanner$LogEntry.parseEntry(DataBlockScanner.java:351)
>         at org.apache.hadoop.dfs.DataBlockScanner.assignInitialVerificationTimes(DataBlockScanner.java:481)
>         at org.apache.hadoop.dfs.DataBlockScanner.run(DataBlockScanner.java:534)
>         at java.lang.Thread.run(Thread.java:619)
> {noformat}
> Datanode was still up and running but no verification.
> Jstack didn't show DataBlockScanner.

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