[HADOOP-1696] NPE in TestDistributedUpgrade

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Cannot Reproduce
• Fix Version/s: 0.15.0
• Assignee: Raghu Angadi
• Reporter: Dhruba Borthakur
• Created: 08/Aug/07 21:30
• Updated: 08/Jul/09 16:42
• Resolved: 04/Sep/07 12:07

Description

The TestDistributedUpgrade test fails once a while with the following stack trace:

java.lang.NullPointerException
at org.apache.hadoop.dfs.FSImage.getDistributedUpgradeState(FSImage.java:1036)
at org.apache.hadoop.dfs.FSImage.setFields(FSImage.java:411)
at org.apache.hadoop.dfs.Storage$StorageDirectory.write(Storage.java:169)
at org.apache.hadoop.dfs.UpgradeUtilities.createVersionFile(UpgradeUtilities.java:306)
at org.apache.hadoop.dfs.TestDistributedUpgrade.testDistributedUpgrade(TestDistributedUpgrade.java:100)