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Date: Fri, 7 Sep 2012 08:48:09 +0100 (BST)
From: =?iso-8859-1?Q?Christian_Sch=E4fer?= <syrious3000@yahoo.de>
Subject: AW: Unable to init HBaseAdmin
To: user@hbase.apache.org
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=0Ahi,

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 cre=
ate 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$Buffer.write(DataOutputBuffer.java:6=
3)
>        at
>org.apache.hadoop.io.DataOutputBuffer.write(DataOutputBuffer.java:101)
>        at org.apache.hadoop.io.UTF8.readChars(UTF8.java:216)
>        at org.apache.hadoop.io.UTF8.readString(UTF8.java:208)
>        at
>org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:179)
>        at
>org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:171)
>        at
>org.apache.hadoop.hbase.ipc.HBaseServer$Connection.processHeader(HBaseServ=
er.java:966)
>        at
>org.apache.hadoop.hbase.ipc.HBaseServer$Connection.readAndProcess(HBaseSer=
ver.java:950)
>        at
>org.apache.hadoop.hbase.ipc.HBaseServer$Listener.doRead(HBaseServer.java:5=
22)
>        at
>org.apache.hadoop.hbase.ipc.HBaseServer$Listener$Reader.run(HBaseServer.ja=
va:316)
>        at
>java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:=
1110)
>        at
>java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java=
:603)
>        at java.lang.Thread.run(Thread.java:679)
>
>
>And here's snippet of exception stack from Java client
>
>12/09/05 16:28:09 INFO zookeeper.ClientCnxn: Socket connection established
>to shn-us-corp-us-centos4/10.1.10.63:2181, initiating session
>12/09/05 16:28:09 WARN zookeeper.ClientCnxnSocket: Connected to an old
>server; r-o mode will be unavailable
>12/09/05 16:28:09 INFO zookeeper.ClientCnxn: Session establishment complet=
e
>on server shn-us-corp-us-centos4/10.1.10.63:2181, sessionid =3D
>0x3998930fc6000a, negotiated timeout =3D 180000
>12/09/05 16:28:09 INFO client.HConnectionManager$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(WritableRpcEn=
gine.java:150)
>    at $Proxy10.getProtocolVersion(Unknown Source)
>    at
>org.apache.hadoop.hbase.ipc.WritableRpcEngine.getProxy(WritableRpcEngine.j=
ava:183)
>    at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:335)
>    at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:312)
>    at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:364)
>    at
>org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementatio=
n.getMaster(HConnectionManager.java:665)
>    at org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:10=
9)
>    at
>com.shn.datastorage.dal.hbase.client.HBaseEventClient.createTable(HBaseEve=
ntClient.java:38)
>    at
>com.shn.datastorage.dal.hbase.HBaseEventClientTest.testCreateTable(HBaseEv=
entClientTest.java:57)
>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>    at
>sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:=
39)
>    at
>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorIm=
pl.java:25)
>    at java.lang.reflect.Method.invoke(Method.java:597)
>    at
>org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMetho=
d.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.j=
ava: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.j=
ava:76)
>    at
>org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.j=
ava: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$2.evaluate(ParentRunner.java:184)
>    at
>org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:=
28)
>    at
>org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31=
)
>    at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
>    at
>org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestR=
eference.java:50)
>    at
>org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java=
:38)
>    at
>org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTest=
Runner.java:467)
>    at
>org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTest=
Runner.java:683)
>    at
>org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunne=
r.java:390)
>    at
>org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunn=
er.java:197)
>Caused by: java.io.EOFException
>    at java.io.DataInputStream.readInt(DataInputStream.java:375)
>    at
>org.apache.hadoop.hbase.ipc.HBaseClient$Connection.receiveResponse(HBaseCl=
ient.java:571)
>    at
>org.apache.hadoop.hbase.ipc.HBaseClient$Connection.run(HBaseClient.java:50=
5)
>
>
>
>
>Thanks
>Ashish