Hi Anil, Please see the below commands which I executed and respective outputs.
on HBase and Hadoop box [rtit@localhost conf]$ netstat -alnp | grep 2181 (Not all processes could be identified, non-owned process info will not be shown, you would have to be root to see it all.) tcp 0 0 :::2181 :::* LISTEN 22572/java tcp 0 0 ::ffff:192.265.47.222:2181 ::ffff:192.265.47.222:60094 ESTABLISHED 22572/java tcp 0 0 ::ffff:192.265.47.222:2181 ::ffff:192.265.47.222:60117 ESTABLISHED 22572/java tcp 0 0 ::ffff:192.265.47.222:2181 ::ffff:192.265.47.222:60098 ESTABLISHED 22572/java tcp 0 0 ::ffff:192.265.47.222:60098 ::ffff:192.265.47.222:2181 ESTABLISHED 22642/java tcp 0 0 ::ffff:192.265.47.222:60094 ::ffff:192.265.47.222:2181 ESTABLISHED 22842/java tcp 0 0 ::ffff:192.265.47.222:60117 ::ffff:192.265.47.222:2181 ESTABLISHED 22842/java tcp 0 0 ::ffff:192.265.47.222:60089 ::ffff:192.265.47.222:2181 ESTABLISHED 22642/java tcp 0 0 ::ffff:192.265.47.222:2181 ::ffff:192.265.47.222:60089 ESTABLISHED 22572/java [rtit@localhost conf]$ telnet localhost 2181 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. Connection closed by foreign host. [rtit@localhost conf]$ [rtit@localhost conf]$ telnet 192.265.47.222 2181 Trying 192.265.47.222... Connected to 192.265.47.222. Escape character is '^]'. Connection closed by foreign host. [rtit@localhost conf]$ --> From the remote box [rtit@RTIT-1 hbasedemos]$ telnet 192.265.47.222 2181 Trying 192.265.47.222... Connected to 192.265.47.222. Escape character is '^]'. Connection closed by foreign host. [rtit@RTIT-1 hbasedemos]$ On Thu, Aug 30, 2012 at 8:58 PM, anil gupta <anilgupt...@gmail.com> wrote: > Then, it might be a issue with port binding. try to do telnet on the port > to which HBase listens from localhost as well as remote machine. > Also, try to run the netstat command and see the bindings of service. > > ~Anil > > On Thu, Aug 30, 2012 at 8:20 AM, Jilani Shaik <jilani2...@gmail.com> > wrote: > > > Anil, > > > > Already I disabled firewall of linux using iptables service. > > > > Thank You, > > Jilani > > > > > > On Thu, Aug 30, 2012 at 8:35 PM, anil gupta <anilgupt...@gmail.com> > wrote: > > > > > Hi Jilani, > > > > > > It seems like a firewall issue. You will need to open appropriate ports > > or > > > disable the firewall on the machine you are running the service. > > > > > > HTH, > > > Anil > > > > > > On Thu, Aug 30, 2012 at 7:46 AM, Jilani Shaik <jilani2...@gmail.com> > > > wrote: > > > > > > > I am able to connect to HBase using Java client if the client is on > the > > > > same box where Hadoop and HBase are installed. If the client is on > > other > > > > box either windows or linux, I am getting the error as below > > > > > > > > org.apache.zookeeper.server.NIOServerCnxn: Closed socket connection > for > > > > client > > > > > > > > Please suggest me how to identify and fix the issue. > > > > > > > > Thank You, > > > > Jilani > > > > > > > > On Thu, Aug 30, 2012 at 7:00 PM, Jilani Shaik <jilani2...@gmail.com> > > > > wrote: > > > > > > > > > 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 > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > Thanks & Regards, > > > Anil Gupta > > > > > > > > > -- > Thanks & Regards, > Anil Gupta >
