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From "lohit vijayarenu (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3411) TestDistributedUpgrade fails once in a while
Date Fri, 16 May 2008 23:43:55 GMT
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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