i have no idea,why?
2013-07-26 22:55:30,772 INFO org.apache.hadoop.http.HttpServer: Jetty bound to port 50070 2013-07-26 22:55:30,772 INFO org.mortbay.log: jetty-6.1.26.cloudera.2 2013-07-26 22:55:31,001 WARN org.apache.hadoop.security.authentication.server.AuthenticationFilter: 'signature.secret' configuration not set, using a random value as secret 2013-07-26 22:55:31,054 INFO org.mortbay.log: Started SelectChannelConnector@node1:50070 2013-07-26 22:55:31,054 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: Web-server up at: node1:50070 2013-07-26 22:55:31,057 INFO org.apache.hadoop.ipc.Server: IPC Server Responder: starting 2013-07-26 22:55:31,058 INFO org.apache.hadoop.ipc.Server: IPC Server listener on 8020: starting 2013-07-26 22:55:31,072 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: NameNode up at: node1/ 192.168.142.129:8020 2013-07-26 22:55:31,072 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Starting services required for standby state 2013-07-26 22:55:31,074 INFO org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer: Will roll logs on active node at node2/192.168.142.130:8020 every 120 seconds. 2013-07-26 22:55:31,084 INFO org.apache.hadoop.hdfs.server.namenode.ha.StandbyCheckpointer: Starting standby checkpoint thread... Checkpointing active NN at node2:50070 Serving checkpoints at node1/192.168.142.129:50070 2013-07-26 22:57:31,112 INFO org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer: Triggering log roll on remote NameNode node2/192.168.142.130:8020 2013-07-26 22:57:31,329 WARN org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer: Unable to trigger a roll of the active NN org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): Operation category JOURNAL is not supported in state standby at org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:87) at org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOperation(NameNode.java:1401) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesystem.java:871) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.rollEditLog(FSNamesystem.java:4577) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.rollEditLog(NameNodeRpcServer.java:756) at org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolServerSideTranslatorPB.rollEditLog(NamenodeProtocolServerSideTranslatorPB.java:129) at org.apache.hadoop.hdfs.protocol.proto.NamenodeProtocolProtos$NamenodeProtocolService$2.callBlockingMethod(NamenodeProtocolProtos.java:8762) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:453) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1002) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1701)