You need to fix "Could not resolve the DNS name of db2.dev.abc.net:60020" St.Ack
On Thu, Apr 28, 2011 at 3:46 PM, sulabh choudhury <[email protected]> wrote: > Thanks for the response. > Harsh..I already looked into that document, but for my use-case I need it to > connect to HBase and should be a HMaster or RegionServer port > > Bennett... > Supplying the "hbase.zookeeper.quorum" it throws an error > 11/04/28 14:06:18 ERROR hbase.HServerAddress: Could not resolve the DNS name > of db2.dev.abc.net:60020 > 11/04/28 14:06:18 ERROR mapreduce.TableInputFormat: > java.lang.IllegalArgumentException: Could not resolve the DNS name of > db2.dev.abc.net:60020 > at > org.apache.hadoop.hbase.HServerAddress.checkBindAddressCanBeResolved(HServerAddress.java:105) > at org.apache.hadoop.hbase.HServerAddress.<init>(HServerAddress.java:66) > at > org.apache.hadoop.hbase.zookeeper.RootRegionTracker.dataToHServerAddress(RootRegionTracker.java:82) > at > org.apache.hadoop.hbase.zookeeper.RootRegionTracker.waitRootRegionLocation(RootRegionTracker.java:73) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:578) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:558) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:687) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:589) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:558) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:687) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:593) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:558) > at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:171) > at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:145) > at > org.apache.hadoop.hbase.mapreduce.TableInputFormat.setConf(TableInputFormat.java:91) > at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:62) > at > org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117) > at org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java:882) > at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:779) > at org.apache.hadoop.mapreduce.Job.submit(Job.java:432) > at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:447) > at abc.main(abc.java:194) > > Exception in thread "main" java.io.IOException: No table was provided. > at > org.apache.hadoop.hbase.mapreduce.TableInputFormatBase.getSplits(TableInputFormatBase.java:130) > at org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java:885) > at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:779) > at org.apache.hadoop.mapreduce.Job.submit(Job.java:432) > at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:447) > at abc.main(abc.java:194) > > > On Thu, Apr 28, 2011 at 12:29 PM, Bennett Andrews < > [email protected]> wrote: > >> For HBase TableMR you should just need "hbase.zookeeper.quorum" in addition >> to TaskTracker stuff. >> >> On Thu, Apr 28, 2011 at 3:15 PM, Harsh J <[email protected]> wrote: >> >> > I believe 60000 is your HBase HMaster IPC port, not the NameNode one. >> > What are you attempting to do here? >> > >> > See this package's docs on proper docs for running regular MR jobs >> > using HBase as Sink/Source: >> > >> > >> http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/mapreduce/package-summary.html >> > >> > On Fri, Apr 29, 2011 at 12:29 AM, sulabh choudhury <[email protected]> >> > wrote: >> > > I am trying to run a M/R job remotely on a HBAse table. >> > > >> > > I have added the conf.set("fs.default.name","hdfs://10.0.0.3:60000") >> to >> > the >> > > code hence now it does go to the cluster there I see the error >> > > >> > > WARN org.apache.hadoop.ipc.HBaseServer: IPC Server listener on 60000: >> > > readAndProcess threw exception java.io.EOFException. Count of bytes >> read: >> > 0 >> > > >> > > jjava.io.EOFException >> > > >> > > >> > > at java.io.DataInputStream.readFully(DataInputStream.java:180) >> > > 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$Worker.runTask(ThreadPoolExecutor.java:886) >> > > at >> > >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) >> > > at java.lang.Thread.run(Thread.java:662) >> > > >> > > and at the client side I see >> > > >> > > Exception in thread "main" java.io.IOException: Call to >> > > /10.0.0.3:60000failed on local exception: java.io.IOException: >> > > Connection reset by peer >> > > >> > > at org.apache.hadoop.ipc.Client.wrapException(Client.java:775) >> > > >> > > at org.apache.hadoop.ipc.Client.call(Client.java:743) >> > > >> > > at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220) >> > > >> > > at $Proxy4.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) >> > > >> > > etc >> > > >> > > >> > > >> > > I am pretty sure I am missing configuration pieces to achieve the >> > same..What >> > > could be those ? >> > > >> > >> > >> > >> > -- >> > Harsh J >> > >> > > > > -- > > -- > Thanks and Regards, > Sulabh Choudhury >
