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https://issues.apache.org/jira/browse/HDFS-762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12793486#action_12793486
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Hadoop QA commented on HDFS-762:
--------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12426144/HDFS-762.patch
against trunk revision 893039.
+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 release audit. The applied patch does not increase the total number of
release audit warnings.
-1 core tests. The patch failed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/155/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/155/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/155/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/155/console
This message is automatically generated.
> Trying to start the balancer throws a NPE
> -----------------------------------------
>
> Key: HDFS-762
> URL: https://issues.apache.org/jira/browse/HDFS-762
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.21.0
> Reporter: Cristian Ivascu
> Assignee: Cristian Ivascu
> Fix For: 0.21.0
>
> Attachments: 0001-corrected-balancer-constructor.patch, HDFS-762.patch
>
>
> When trying to run the balancer, I get a NullPointerException:
> 2009-11-10 11:08:14,235 ERROR
> org.apache.hadoop.hdfs.server.balancer.Balancer:
> java.lang.NullPointerException
> at
> org.apache.hadoop.hdfs.server.namenode.BlockPlacementPolicy.getInstance(BlockPlacementPolicy.java:161)
> at
> org.apache.hadoop.hdfs.server.balancer.Balancer.checkReplicationPolicyCompatibility(Balancer.java:784)
> at
> org.apache.hadoop.hdfs.server.balancer.Balancer.<init>(Balancer.java:792)
> at
> org.apache.hadoop.hdfs.server.balancer.Balancer.main(Balancer.java:814)
> This happens when trying to use bin/start-balancer or bin/hdfs balancer
> -threshold 10
> The config files (hdfs-site and core-site) have as fs.default.name
> hdfs://namenode:9000.
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