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From Άρμεν Αρσακιάν <arsak...@ee.duth.gr>
Subject txntype:unknown reqpath:n/a Error Path:/hbase Error:KeeperErrorCode = NodeExists for /hbase
Date Wed, 11 May 2011 18:32:59 GMT
I installed hbase on my Mac Os 10.6 machine and when i try to run hbase master start I get
the following error:

my error is similar if not the same with the following thread 
http://article.gmane.org/gmane.comp.java.hadoop.hbase.user/17432/match=got+user+level+keeperexception+processing+sessionid

but it did not give any solution

Thank your for your time and help
Armen

11/05/11 21:27:06 INFO server.PrepRequestProcessor: Got user-level KeeperException when processing
sessionid:0x12fe04ff0e50001 type:create cxid:0x1 zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
Error Path:/hbase Error:KeeperErrorCode = NodeExists for /hbase
11/05/11 21:27:06 INFO server.PrepRequestProcessor: Got user-level KeeperException when processing
sessionid:0x12fe04ff0e50001 type:create cxid:0x2 zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
Error Path:/hbase/unassigned Error:KeeperErrorCode = NodeExists for /hbase/unassigned
11/05/11 21:27:06 INFO server.PrepRequestProcessor: Got user-level KeeperException when processing
sessionid:0x12fe04ff0e50001 type:create cxid:0x3 zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
Error Path:/hbase/rs Error:KeeperErrorCode = NodeExists for /hbase/rs
11/05/11 21:27:06 INFO server.PrepRequestProcessor: Got user-level KeeperException when processing
sessionid:0x12fe04ff0e50001 type:create cxid:0x4 zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
Error Path:/hbase/table Error:KeeperErrorCode = NodeExists for /hbase/table
11/05/11 21:27:06 INFO ipc.HBaseRpcMetrics: Initializing RPC Metrics with hostName=HRegionServer,
port=60339
11/05/11 21:27:06 INFO security.User: Skipping login, not running on secure Hadoop
11/05/11 21:27:06 INFO zookeeper.ZooKeeper: Initiating client connection, connectString=localhost:2181
sessionTimeout=180000 watcher=regionserver:60339
11/05/11 21:27:06 INFO zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181
11/05/11 21:27:06 INFO zookeeper.ClientCnxn: Socket connection established to localhost/127.0.0.1:2181,
initiating session
11/05/11 21:27:06 INFO server.NIOServerCnxn: Accepted socket connection from /127.0.0.1:60340
11/05/11 21:27:06 INFO server.NIOServerCnxn: Client attempting to establish new session at
/127.0.0.1:60340
11/05/11 21:27:06 INFO master.ActiveMasterManager: Master=192.168.2.2:60336
11/05/11 21:27:06 INFO server.NIOServerCnxn: Established session 0x12fe04ff0e50002 with negotiated
timeout 40000 for client /127.0.0.1:60340
11/05/11 21:27:06 INFO zookeeper.ClientCnxn: Session establishment complete on server localhost/127.0.0.1:2181,
sessionid = 0x12fe04ff0e50002, negotiated timeout = 40000
11/05/11 21:27:06 INFO server.PrepRequestProcessor: Got user-level KeeperException when processing
sessionid:0x12fe04ff0e50002 type:create cxid:0x1 zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
Error Path:/hbase Error:KeeperErrorCode = NodeExists for /hbase
11/05/11 21:27:06 INFO server.PrepRequestProcessor: Got user-level KeeperException when processing
sessionid:0x12fe04ff0e50002 type:create cxid:0x2 zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
Error Path:/hbase/unassigned Error:KeeperErrorCode = NodeExists for /hbase/unassigned
11/05/11 21:27:06 INFO server.PrepRequestProcessor: Got user-level KeeperException when processing
sessionid:0x12fe04ff0e50002 type:create cxid:0x3 zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
Error Path:/hbase/rs Error:KeeperErrorCode = NodeExists for /hbase/rs
11/05/11 21:27:06 INFO server.PrepRequestProcessor: Got user-level KeeperException when processing
sessionid:0x12fe04ff0e50002 type:create cxid:0x4 zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
Error Path:/hbase/table Error:KeeperErrorCode = NodeExists for /hbase/table
11/05/11 21:27:07 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already
tried 0 time(s).
11/05/11 21:27:08 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already
tried 1 time(s).
11/05/11 21:27:09 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already
tried 2 time(s).
11/05/11 21:27:10 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already
tried 3 time(s).
11/05/11 21:27:11 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already
tried 4 time(s).
11/05/11 21:27:12 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already
tried 5 time(s).
11/05/11 21:27:13 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already
tried 6 time(s).
11/05/11 21:27:14 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already
tried 7 time(s).
11/05/11 21:27:15 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already
tried 8 time(s).
11/05/11 21:27:16 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already
tried 9 time(s).
11/05/11 21:27:16 FATAL master.HMaster: Unhandled exception. Starting shutdown.
java.net.ConnectException: Call to localhost/127.0.0.1:9000 failed on connection exception:
java.net.ConnectException: Connection refused
	at org.apache.hadoop.ipc.Client.wrapException(Client.java:767)
	at org.apache.hadoop.ipc.Client.call(Client.java:743)
	at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
	at $Proxy6.getProtocolVersion(Unknown Source)
	at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:359)
	at org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:106)
	at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:207)
	at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:170)
	at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:82)
	at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1378)
	at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:66)
	at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1390)
	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:196)
	at org.apache.hadoop.fs.Path.getFileSystem(Path.java:175)
	at org.apache.hadoop.hbase.util.FSUtils.getRootDir(FSUtils.java:345)
	at org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem.java:81)
	at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:347)
	at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:283)
	at org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster.run(HMasterCommandLine.java:193)
	at java.lang.Thread.run(Thread.java:680)
Caused by: java.net.ConnectException: Connection refused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:404)
	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:304)
	at org.apache.hadoop.ipc.Client$Connection.access$1700(Client.java:176)
	at org.apache.hadoop.ipc.Client.getConnection(Client.java:860)
	at org.apache.hadoop.ipc.Client.call(Client.java:720)
	... 18 more
11/05/11 21:27:16 INFO master.HMaster: Aborting
11/05/11 21:27:16 DEBUG master.HMaster: Stopping service threads
11/05/11 21:27:16 INFO ipc.HBaseServer: Stopping server on 60336
11/05/11 21:27:16 INFO ipc.HBaseServer: IPC Server handler 1 on 60336: exiting
11/05/11 21:27:16 INFO ipc.HBaseServer: IPC Server handler 0 on 60336: exiting
11/05/11 21:27:16 INFO ipc.HBaseServer: Stopping IPC Server listener on 60336
11/05/11 21:27:16 INFO ipc.HBaseServer: IPC Server handler 2 on 60336: exiting
11/05/11 21:27:16 INFO ipc.HBaseServer: IPC Server handler 3 on 60336: exiting
11/05/11 21:27:16 INFO ipc.HBaseServer: IPC Server handler 4 on 60336: exiting
11/05/11 21:27:16 INFO ipc.HBaseServer: IPC Server handler 8 on 60336: exiting
11/05/11 21:27:16 INFO ipc.HBaseServer: IPC Server handler 5 on 60336: exiting
11/05/11 21:27:16 INFO ipc.HBaseServer: IPC Server handler 7 on 60336: exiting
11/05/11 21:27:16 INFO ipc.HBaseServer: IPC Server handler 6 on 60336: exiting
11/05/11 21:27:16 INFO ipc.HBaseServer: IPC Server handler 9 on 60336: exiting
11/05/11 21:27:16 INFO ipc.HBaseServer: Stopping IPC Server Responder
11/05/11 21:27:16 INFO server.PrepRequestProcessor: Processed session termination for sessionid:
0x12fe04ff0e50000
11/05/11 21:27:16 INFO zookeeper.ZooKeeper: Session: 0x12fe04ff0e50000 closed
11/05/11 21:27:16 INFO master.HMaster: HMaster main thread exiting
11/05/11 21:27:16 INFO zookeeper.ClientCnxn: EventThread shut down
11/05/11 21:27:16 INFO server.NIOServerCnxn: Closed socket connection for client /fe80:0:0:0:0:0:0:1%1:60338
which had sessionid 0x12fe04ff0e50001
11/05/11 21:27:16 INFO zookeeper.ClientCnxn: Unable to read additional data from server sessionid
0x12fe04ff0e50001, likely server has closed socket, closing socket connection and attempting
reconnect
11/05/11 21:27:16 INFO server.NIOServerCnxn: Closed socket connection for client /fe80:0:0:0:0:0:0:1%1:60337
which had sessionid 0x12fe04ff0e50000
11/05/11 21:27:16 INFO server.NIOServerCnxn: Closed socket connection for client /127.0.0.1:60340
which had sessionid 0x12fe04ff0e50002
11/05/11 21:27:16 INFO server.NIOServerCnxn: NIOServerCnxn factory exited run method
11/05/11 21:27:16 INFO zookeeper.ClientCnxn: Unable to read additional data from server sessionid
0x12fe04ff0e50002, likely server has closed socket, closing socket connection and attempting
reconnect
11/05/11 21:27:16 INFO server.SyncRequestProcessor: SyncRequestProcessor exited!
11/05/11 21:27:16 INFO server.FinalRequestProcessor: shutdown of request processor complete
11/05/11 21:27:16 INFO server.PrepRequestProcessor: PrepRequestProcessor exited loop!
11/05/11 21:27:16 INFO zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181
11/05/11 21:27:16 WARN zookeeper.ClientCnxn: Session 0x12fe04ff0e50001 for server null, unexpected
error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1119)
11/05/11 21:27:16 INFO zookeeper.ClientCnxn: Opening socket connection to server localhost/0:0:0:0:0:0:0:1:2181
1


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