[HDFS-3678] Edit log files are never being purged from 2NN

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha1
• Fix Version/s: 2.0.3-alpha
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Aaron Myers
• Reporter: Todd Lipcon
• Created: 18/Jul/12 02:05
• Updated: 12/May/16 18:18
• Resolved: 24/Aug/12 18:53

Description

Seeing the following NPE in the SecondaryNameNode when it tries to purge storage after a checkpoint:

12/07/17 19:05:22 WARN namenode.FSImage: Unable to purge old storage
java.lang.NullPointerException
at org.apache.hadoop.hdfs.server.namenode.FSEditLog.purgeLogsOlderThan(FSEditLog.java:1013)
at org.apache.hadoop.hdfs.server.namenode.NNStorageRetentionManager.purgeOldStorage(NNStorageRetentionManager.java:98)
at org.apache.hadoop.hdfs.server.namenode.FSImage.purgeOldStorage(FSImage.java:925)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java:479)

Issue Links

• is broken by: HDFS-3573 Supply NamespaceInfo when instantiating JournalManagers