Hi, I have installed and configured Hadoop(hadoop-1.0.3) and HBase(hbase-0.94.1) in a single Fedora linux box, where HBase as pseudo cluster setup.
I am able to connect the HBase suing shell from console and able to create and scan table. But when I tried to contact the same using java application I am not able to connect the HBase. Output of "jps" as follows 16872 HRegionServer 16603 HQuorumPeer 15821 DataNode 16047 JobTracker 16667 HMaster 17984 Jps 15680 NameNode 15959 SecondaryNameNode 16179 TaskTracker The error log for zoo keeper of HBase is as follows 2012-08-30 18:44:19,231 INFO org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket connection from /192.265.47.219:58357 2012-08-30 18:44:19,232 INFO org.apache.zookeeper.server.ZooKeeperServer: Client attempting to establish new session at /192.265.47.219:58357 2012-08-30 18:44:19,236 INFO org.apache.zookeeper.server.ZooKeeperServer: Established session 0x13977a18091000e with negotiated timeout 180000 for client /192.265.47.219:58357 2012-08-30 18:45:16,245 INFO org.apache.zookeeper.server.PrepRequestProcessor: Processed session termination for sessionid: 0x13977a18091000e 2012-08-30 18:45:16,252 INFO org.apache.zookeeper.server.NIOServerCnxn: Closed socket connection for client /192.265.47.219 :58357 which had sessionid 0x13977a18091000e 2012-08-30 18:45:16,256 INFO org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket connection from /192.265.47.219:58373 2012-08-30 18:45:16,257 INFO org.apache.zookeeper.server.ZooKeeperServer: Client attempting to establish new session at /192.265.47.219:58373 2012-08-30 18:45:16,264 INFO org.apache.zookeeper.server.ZooKeeperServer: Established session 0x13977a18091000f with negotiated timeout 180000 for client /192.265.47.219:58373 2012-08-30 18:46:21,279 INFO org.apache.zookeeper.server.PrepRequestProcessor: Processed session termination for sessionid: 0x13977a18091000f 2012-08-30 18:46:21,286 INFO org.apache.zookeeper.server.NIOServerCnxn: Closed socket connection for client /192.265.47.219:58373 which had sessionid 0x13977a18091000f 2012-08-30 18:46:21,291 INFO org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket connection from /192.265.47.219:58391 2012-08-30 18:46:21,292 INFO org.apache.zookeeper.server.ZooKeeperServer: Client attempting to establish new session at /192.265.47.219:58391 2012-08-30 18:46:21,298 INFO org.apache.zookeeper.server.ZooKeeperServer: Established session 0x13977a180910010 with negotiated timeout 180000 for client /192.265.47.219:58391 2012-08-30 18:46:53,302 INFO org.apache.zookeeper.server.PrepRequestProcessor: Processed session termination for sessionid: 0x13977a180910010 2012-08-30 18:46:53,309 INFO org.apache.zookeeper.server.NIOServerCnxn: Closed socket connection for client /192.265.47.219:58391 which had sessionid 0x13977a180910010 Below is the exception from java program Aug 30, 2012 6:45:13 PM org.apache.zookeeper.ZooKeeper close INFO: Session: 0x13977a18091000e closed Aug 30, 2012 6:45:13 PM org.apache.zookeeper.ClientCnxn$EventThread run INFO: EventThread shut down Aug 30, 2012 6:45:13 PM org.apache.zookeeper.ZooKeeper <init> INFO: Initiating client connection, connectString= 192.265.47.222:2181 sessionTimeout=180000 watcher=hconnection Aug 30, 2012 6:45:13 PM org.apache.zookeeper.ClientCnxn$SendThread startConnect INFO: Opening socket connection to server / 192.265.47.222:2181 Aug 30, 2012 6:45:13 PM org.apache.zookeeper.ClientCnxn$SendThread primeConnection INFO: Socket connection established to 192.265.47.222/192.265.47.222:2181, initiating session Aug 30, 2012 6:45:13 PM org.apache.zookeeper.ClientCnxn$SendThread onConnected INFO: Session establishment complete on server 192.265.47.222/192.265.47.222:2181, sessionid = 0x13977a18091000f, negotiated timeout = 180000 Aug 30, 2012 6:46:18 PM org.apache.zookeeper.ZooKeeper close INFO: Session: 0x13977a18091000f closed Aug 30, 2012 6:46:18 PM org.apache.zookeeper.ClientCnxn$EventThread run INFO: EventThread shut down Aug 30, 2012 6:46:18 PM org.apache.zookeeper.ZooKeeper <init> INFO: Initiating client connection, connectString=192.265.47.222:2181 sessionTimeout=180000 watcher=hconnection Aug 30, 2012 6:46:18 PM org.apache.zookeeper.ClientCnxn$SendThread startConnect INFO: Opening socket connection to server /192.265.47.222:2181 Aug 30, 2012 6:46:18 PM org.apache.zookeeper.ClientCnxn$SendThread primeConnection INFO: Socket connection established to 192.265.47.222/192.265.47.222:2181, initiating session Aug 30, 2012 6:46:18 PM org.apache.zookeeper.ClientCnxn$SendThread onConnected INFO: Session establishment complete on server 192.265.47.222/192.265.47.222:2181, sessionid = 0x13977a180910010, negotiated timeout = 180000 Aug 30, 2012 6:46:50 PM org.apache.zookeeper.ZooKeeper close INFO: Session: 0x13977a180910010 closed 12/08/30 18:46:50 org.apache.hadoop.hbase.MasterNotRunningException: Retried 10 times 12/08/30 18:46:50 at org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:127) 12/08/30 18:46:50 at _hbase.demo(_hbase.java:59) 12/08/30 18:46:50 at _hbase._jspService(_hbase.java:208) 12/08/30 18:46:50 at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56) 12/08/30 18:46:50 at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:347) 12/08/30 18:46:50 at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509) 12/08/30 18:46:50 at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413) 12/08/30 18:46:50 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) 12/08/30 18:46:50 at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:810) 12/08/30 18:46:50 at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322) 12/08/30 18:46:50 at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790) 12/08/30 18:46:50 at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:270) 12/08/30 18:46:50 at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:112) 12/08/30 18:46:50 at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186) 12/08/30 18:46:50 at java.lang.Thread.run(Thread.java:662) Aug 30, 2012 6:46:50 PM org.apache.zookeeper.ClientCnxn$EventThread run INFO: EventThread shut down Please suggest me how to resolve this. Thank You, Jilani
