[HADOOP-1241] Null PointerException in processReport when namenode is restarted

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.13.0
• Assignee: Dhruba Borthakur
• Reporter: Dhruba Borthakur
• Created: 10/Apr/07 20:09
• Updated: 08/Jul/09 16:42
• Resolved: 15/Apr/07 20:42

Description

INFO org.apache.hadoop.ipc.Server: IPC Server handler 0 on 8020 call error: java.io.IOException: java.lang.NullPointerException
java.io.IOException: java.lang.NullPointerException
at org.apache.hadoop.dfs.FSNamesystem.shouldNodeShutdown(FSNamesystem.java:3341)
at org.apache.hadoop.dfs.FSNamesystem.processReport(FSNamesystem.java:2075)
at org.apache.hadoop.dfs.NameNode.blockReport(NameNode.java:661)
at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:339)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:573)
INFO org.apache.hadoop.dfs.StateChange: BLOCK* NameSystem.registerDatanode: node registration from xx.xx.xx.xx:50010 storage DS-355824822
INFO org.apache.hadoop.dfs.NameNode: BLOCK* NameSystem.registerDatanode: node from name: xx.xx.xx.xx:50010
INFO org.apache.hadoop.net.NetworkTopology: Removing a node: /default-rack/xx.xx.xx.xx:50010
INFO org.apache.hadoop.net.NetworkTopology: Removing a node: /default-rack/xx.xx.xx.xx:50010