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https://issues.apache.org/jira/browse/HADOOP-3520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12605875#action_12605875
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Hadoop QA commented on HADOOP-3520:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12384175/upgradeNPE.patch
against trunk revision 669088.
+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 passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2679/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2679/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2679/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2679/console
This message is automatically generated.
> Generation stamp upgrade fails TestDFSUpgradeFromImage
> ------------------------------------------------------
>
> Key: HADOOP-3520
> URL: https://issues.apache.org/jira/browse/HADOOP-3520
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.18.0
> Reporter: Konstantin Shvachko
> Assignee: dhruba borthakur
> Priority: Blocker
> Fix For: 0.18.0
>
> Attachments: failure.log, upgradeNPE.patch
>
>
> TestDFSUpgradeFromImage occasionally fails doing distributed upgrade related
> to generation stamps with the following NPE:
> {code}
> java.lang.NullPointerException
> at
> org.apache.hadoop.dfs.UpgradeManagerDatanode.initializeUpgrade(UpgradeManagerDatanode.java:54)
> at
> org.apache.hadoop.dfs.DataStorage.verifyDistributedUpgradeProgress(DataStorage.java:402)
> at org.apache.hadoop.dfs.DataStorage.doTransition(DataStorage.java:232)
> at
> org.apache.hadoop.dfs.DataStorage.recoverTransitionRead(DataStorage.java:139)
> at org.apache.hadoop.dfs.DataNode.startDataNode(DataNode.java:268)
> at org.apache.hadoop.dfs.DataNode.<init>(DataNode.java:185)
> at org.apache.hadoop.dfs.DataNode.makeInstance(DataNode.java:2952)
> at
> org.apache.hadoop.dfs.DataNode.instantiateDataNode(DataNode.java:2907)
> at
> org.apache.hadoop.dfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:401)
> at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:267)
> at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:162)
> at
> org.apache.hadoop.dfs.TestDFSUpgradeFromImage.testUpgradeFromImage(TestDFSUpgradeFromImage.java:180)
> {code}
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