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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