[ https://issues.apache.org/jira/browse/HBASE-3378?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu updated HBASE-3378: -------------------------- Fix Version/s: (was: 0.92.0) 0.94.0 > NullPointerException when decoding remote exception > --------------------------------------------------- > > Key: HBASE-3378 > URL: https://issues.apache.org/jira/browse/HBASE-3378 > Project: HBase > Issue Type: Bug > Components: util > Affects Versions: 0.20.6 > Reporter: Ted Yu > Fix For: 0.94.0 > > > We recently saw several occurrences of NPE. Here is one of them: > {noformat} > 2010-12-20 08:57:14,214 WARN org.apache.hadoop.mapred.TaskTracker: Error > running child > java.io.IOException: java.io.IOException: java.lang.NullPointerException > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) > at > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) > at > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) > at java.lang.reflect.Constructor.newInstance(Constructor.java:513) > at > org.apache.hadoop.hbase.RemoteExceptionHandler.decodeRemoteException(RemoteExceptionHandler.java:94) > at > org.apache.hadoop.hbase.client.HBaseAdmin.modifyTable(HBaseAdmin.java:887) > at > org.apache.hadoop.hbase.client.HBaseAdmin.modifyTable(HBaseAdmin.java:791) > at org.apache.hadoop.hbase.client.HBaseAdmin.flush(HBaseAdmin.java:703) > {noformat} > In master server log, I only found: > {noformat} > 2010-12-20 16:57:19,357 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server > handler 15 on 60000, call modifyTable([B@5b591d0b, TABLE_FLUSH, null) from > 10.202.114.157:2760: error: java.io.IOException: > java.lang.NullPointerException > java.io.IOException: java.lang.NullPointerException > 2010-12-20 16:57:19,357 WARN org.apache.hadoop.ipc.HBaseServer: IPC Server > Responder, call modifyTable([B@5b591d0b, TABLE_FLUSH, null) from > 10.202.114.157:2760: output error > 2010-12-20 16:57:19,357 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server > handler 17 on 60000, call modifyTable([B@3781ec07, TABLE_FLUSH, null) from > 10.202.114.136:35448: error: java.io.IOException: > java.lang.NullPointerException > java.io.IOException: java.lang.NullPointerException > 2010-12-20 16:57:19,358 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server > handler 15 on 60000 caught: java.nio.channels.ClosedChannelException > at > sun.nio.ch.SocketChannelImpl.ensureWriteOpen(SocketChannelImpl.java:126) > at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:324) > at > org.apache.hadoop.hbase.ipc.HBaseServer.channelWrite(HBaseServer.java:1210) > at > org.apache.hadoop.hbase.ipc.HBaseServer$Responder.processResponse(HBaseServer.java:698) > at > org.apache.hadoop.hbase.ipc.HBaseServer$Responder.doRespond(HBaseServer.java:762) > at > org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1026) > {noformat} > RemoteExceptionHandler should be able to handle NPE. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira