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https://issues.apache.org/jira/browse/HADOOP-3411?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lohit Vijayarenu resolved HADOOP-3411.
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Resolution: Cannot Reproduce
Recently havent seen this fail. Closing this for now as Cannot Reproduce
> TestDistributedUpgrade fails once in a while
> --------------------------------------------
>
> Key: HADOOP-3411
> URL: https://issues.apache.org/jira/browse/HADOOP-3411
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.18.0
> Reporter: Lohit Vijayarenu
> Fix For: 0.18.0
>
>
> While running a patch build, there was a test failure for
> TestDistributedUpgrade. This does not fail always
> Here is the link
> http://hudson.zones.apache.org/hudson/view/Hadoop/job/Hadoop-Patch/2492/testReport/org.apache.hadoop.dfs/TestDistributedUpgrade/testDistributedUpgrade/
> and stack trace
> {noformat}
> 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:2910)
> at
> org.apache.hadoop.dfs.DataNode.instantiateDataNode(DataNode.java:2865)
> at
> org.apache.hadoop.dfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:397)
> at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:263)
> at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:158)
> at
> org.apache.hadoop.dfs.TestDistributedUpgrade.testDistributedUpgrade(TestDistributedUpgrade.java:112)
> {noformat}
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