hi, if i remember correctly I had the same problem some while ago.
in my case, port 60000 had to be unlocked in the firewall to be able to create tables etc. via java client ------------------------------ Ashish Nigam schrieb am Do., 6. Sep 2012 01:57 MESZ: >Hi, >I have three node HBase cluster that works with HBase CLI. I am able to >login, create, drop tables using HBase CLI. >Hadoop's version is hadoop-0.20.2-cdh3u4 and HBase is hbase-0.90.6-cdh3u4 >But when I try to connect via Java client, I am not able to instantiate >HBaseAdmin. Any idea why this would happen? > >Here's exception I see in HBase Master logs - > >WARN org.apache.hadoop.ipc.HBaseServer: IPC Server listener on 60000: >readAndProcess threw exception java.io.EOFException. Count of bytes read: 0 >java.io.EOFException > at java.io.DataInputStream.readFully(DataInputStream.java:197) > at >org.apache.hadoop.io.DataOutputBuffer$Buffer.write(DataOutputBuffer.java:63) > at >org.apache.hadoop.io.DataOutputBuffer.write(DataOutputBuffer.java:101) > at org.apache.hadoop.io.UTF8.readChars(UTF8.java:216) > at org.apache.hadoop.io.UTF8.readString(UTF8.java:208) > at >org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:179) > at >org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:171) > at >org.apache.hadoop.hbase.ipc.HBaseServer$Connection.processHeader(HBaseServer.java:966) > at >org.apache.hadoop.hbase.ipc.HBaseServer$Connection.readAndProcess(HBaseServer.java:950) > at >org.apache.hadoop.hbase.ipc.HBaseServer$Listener.doRead(HBaseServer.java:522) > at >org.apache.hadoop.hbase.ipc.HBaseServer$Listener$Reader.run(HBaseServer.java:316) > at >java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) > at >java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > at java.lang.Thread.run(Thread.java:679) > > >And here's snippet of exception stack from Java client > >12/09/05 16:28:09 INFO zookeeper.ClientCnxn: Socket connection established >to shn-us-corp-us-centos4/10.1.10.63:2181, initiating session >12/09/05 16:28:09 WARN zookeeper.ClientCnxnSocket: Connected to an old >server; r-o mode will be unavailable >12/09/05 16:28:09 INFO zookeeper.ClientCnxn: Session establishment complete >on server shn-us-corp-us-centos4/10.1.10.63:2181, sessionid = >0x3998930fc6000a, negotiated timeout = 180000 >12/09/05 16:28:09 INFO client.HConnectionManager$HConnectionImplementation: >getMaster attempt 0 of 10 failed; retrying after sleep of 1008 >java.io.IOException: Call to shn-us-corp-v-centos1/10.1.10.60:60000 failed >on local exception: java.io.EOFException > at >org.apache.hadoop.hbase.ipc.HBaseClient.wrapException(HBaseClient.java:954) > at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:923) > at >org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:150) > at $Proxy10.getProtocolVersion(Unknown Source) > at >org.apache.hadoop.hbase.ipc.WritableRpcEngine.getProxy(WritableRpcEngine.java:183) > at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:335) > at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:312) > at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:364) > at >org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getMaster(HConnectionManager.java:665) > at org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:109) > at >com.shn.datastorage.dal.hbase.client.HBaseEventClient.createTable(HBaseEventClient.java:38) > at >com.shn.datastorage.dal.hbase.HBaseEventClientTest.testCreateTable(HBaseEventClientTest.java:57) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at >sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at >sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at >org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) > at >org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) > at >org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) > at >org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) > at >org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) > at >org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31) > at >org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76) > at >org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) > at >org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) > at >org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31) > at org.junit.runners.ParentRunner.run(ParentRunner.java:236) > at >org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) > at >org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) > at >org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) > at >org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) > at >org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) > at >org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) >Caused by: java.io.EOFException > at java.io.DataInputStream.readInt(DataInputStream.java:375) > at >org.apache.hadoop.hbase.ipc.HBaseClient$Connection.receiveResponse(HBaseClient.java:571) > at >org.apache.hadoop.hbase.ipc.HBaseClient$Connection.run(HBaseClient.java:505) > > > > >Thanks >Ashish
