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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3337) Name-node fails to start because DatanodeInfo format changed.
Date Sat, 03 May 2008 09:14:55 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12593981#action_12593981

Hadoop QA commented on HADOOP-3337:

-1 overall.  Here are the results of testing the latest attachment 
against trunk revision 645773.

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

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

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

    javac -1.  The applied patch generated 462 javac compiler warnings (more than the trunk's
current 458 warnings).

    release audit +1.  The applied patch does not generate any new release audit warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2371/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2371/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2371/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2371/console

This message is automatically generated.

> Name-node fails to start because DatanodeInfo format changed.
> -------------------------------------------------------------
>                 Key: HADOOP-3337
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3337
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.18.0
>            Reporter: Konstantin Shvachko
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Blocker
>             Fix For: 0.18.0
>         Attachments: 3337_20080501.patch, 3337_20080501b.patch, 3337_20080502.patch,
> HADOOP-3283 introduced a new field ipcPort in DatanodeInfo, which was not reflected in
the reading/writing file system image files.
> Particularly, reading edits generated by the previous version of hadoop throws the following
> {code}
> 08/05/02 00:02:50 ERROR dfs.NameNode: java.lang.IllegalArgumentException: No enum const
class org.apache.hadoop.dfs.DatanodeInfo$AdminStates.0?
> /56.313
> 	at java.lang.Enum.valueOf(Enum.java:192)
> 	at org.apache.hadoop.io.WritableUtils.readEnum(WritableUtils.java:399)
> 	at org.apache.hadoop.dfs.DatanodeInfo.readFields(DatanodeInfo.java:318)
> 	at org.apache.hadoop.io.ArrayWritable.readFields(ArrayWritable.java:90)
> 	at org.apache.hadoop.dfs.FSEditLog.loadFSEdits(FSEditLog.java:499)
> 	at org.apache.hadoop.dfs.FSImage.loadFSEdits(FSImage.java:794)
> 	at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:664)
> 	at org.apache.hadoop.dfs.FSImage.recoverTransitionRead(FSImage.java:280)
> 	at org.apache.hadoop.dfs.FSDirectory.loadFSImage(FSDirectory.java:81)
> 	at org.apache.hadoop.dfs.FSNamesystem.initialize(FSNamesystem.java:276)
> 	at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:257)
> 	at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:133)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:178)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:164)
> 	at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:777)
> 	at org.apache.hadoop.dfs.NameNode.main(NameNode.java:786)
> {code}
> and startup fails.

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