Do you want to use local file system insteadof hdfs?
At 2012-09-12 20:02:35,"Sandy Ding" <[email protected]> wrote: >Sorry about the incomplete information. >I have changed the default filesystem to "file:///" instead of "local" >But the error still occurred: > Error reading task >outputhttp://brick5.r715:40015/tasklog?plaintext=true&taskid=attempt_201209121950_0001_000005_0&filter=stdout >Anything special to do if the default filesystem is set to lcoal? > >2012/9/12 Sandy Ding <[email protected]> > >> Yet another problem occurred... >> The Installation Guide says the value for fs.default.name is either local >> or host:port for HDFS. >> But when I set it to "local" to run pagerank, the system kept complain : >> "local is " >> Error reading task >> outputhttp://brick5.r715:40015/tasklog?plaintext=true&taskid=attempt_201209121950_0001_000005_0&filter=stdout >> >> >> 2012/9/12 Thomas Jungblut <[email protected]> >> >>> Hey, >>> >>> it now takes plain text as input. Sorry the wikipedia page is deprecated, >>> will update it then. >>> >>> The format should be: >>> >>> VERTEX_ID\t(n-tab separated VERTEX_IDs) \n >>> E.g: >>> 1\t2\t3\t4 // makes 1, adjacent to 2, 3 and 4 >>> 2\t3\t1 >>> >>> 2012/9/12 Sandy Ding <[email protected]> >>> >>> > Hi, >>> > >>> > The pagerank-text2seq seems to have been removed from the >>> 0.5.0-examples? >>> > I got the error: >>> > >>> > Unknown program 'pagerank-text2seq' chosen. >>> > >>> > So how should I run the pagerank example now? >>> > >>> > >>> > 2012/9/11 Thomas Jungblut <[email protected]> >>> > >>> > > On the machine where you submit the job, you can delete the >>> > > "hama.messenger.compression.class" property in your default >>> > configuration. >>> > > This should null out the compressor and make it run without >>> compression. >>> > > >>> > > >>> > > 2012/9/11 Sandy Ding <[email protected]> >>> > > >>> > > > Plus, how to remove the snappy compression form the configuration? >>> > > > >>> > > > 2012/9/11 Sandy Ding <[email protected]> >>> > > > >>> > > > > It actually failed on another node brick5 too. >>> > > > > I do have the write permission of /tmp dir. >>> > > > > But the most weird thing is: >>> > > > > the snappy..so file is generated every time I run the example, >>> but >>> > its >>> > > > > owner is another user who has once run hama on the same machine, >>> even >>> > > > when >>> > > > > I manually rm and re-generate the file! And I don't have the >>> > permission >>> > > > to >>> > > > > rm it! >>> > > > > >>> > > > > 2012/9/11 Thomas Jungblut <[email protected]> >>> > > > > >>> > > > >> Oh, or just remove the snappy compression from the configuration >>> ;) >>> > > > >> >>> > > > >> 2012/9/11 Thomas Jungblut <[email protected]> >>> > > > >> >>> > > > >> > Can you give him permission to delete in /tmp/? >>> > > > >> > Why is it not failing on the other hosts? >>> > > > >> > Otherwise you have to manually add the snappy library to the >>> lib >>> > > path >>> > > > of >>> > > > >> > the task. >>> > > > >> > >>> > > > >> > >>> > > > >> > 2012/9/11 Sandy Ding <[email protected]> >>> > > > >> > >>> > > > >> >> the IOException stack: >>> > > > >> >> >>> > > > >> >> java.io.IOException: failed to remove existing native library >>> > file: >>> > > > >> >> /tmp/snappy-1.0.4.1-libsna >>> > > > >> >> ppyjava.so >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >>> > > >>> org.xerial.snappy.SnappyLoader.extractLibraryFile(SnappyLoader.java:376) >>> > > > >> >> at >>> > > > >> >> >>> > > > >>> org.xerial.snappy.SnappyLoader.findNativeLibrary(SnappyLoader.java:446) >>> > > > >> >> at >>> > > > >> >> >>> > > > >>> org.xerial.snappy.SnappyLoader.loadNativeLibrary(SnappyLoader.java:308) >>> > > > >> >> at >>> > > org.xerial.snappy.SnappyLoader.load(SnappyLoader.java:219) >>> > > > >> >> at org.xerial.snappy.Snappy.<clinit>(Snappy.java:44) >>> > > > >> >> at >>> > > > >> >> >>> > > > >>> org.xerial.snappy.SnappyOutputStream.<init>(SnappyOutputStream.java:79) >>> > > > >> >> at >>> > > > >> >> >>> > > > >>> org.xerial.snappy.SnappyOutputStream.<init>(SnappyOutputStream.java:66) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.hama.bsp.message.compress.SnappyCompressor.compressBundle(SnappyCompress >>> > > > >> >> or.java:43) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.hama.bsp.message.AvroMessageManagerImpl.serializeMessage(AvroMessageMana >>> > > > >> >> gerImpl.java:135) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.hama.bsp.message.AvroMessageManagerImpl.transfer(AvroMessageManagerImpl. >>> > > > >> >> java:79) >>> > > > >> >> at >>> > > org.apache.hama.bsp.BSPPeerImpl.sync(BSPPeerImpl.java:328) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >>> > > > >>> > >>> org.apache.hama.examples.PiEstimator$MyEstimator.bsp(PiEstimator.java:69) >>> > > > >> >> at >>> org.apache.hama.bsp.BSPTask.runBSP(BSPTask.java:166) >>> > > > >> >> at org.apache.hama.bsp.BSPTask.run(BSPTask.java:143) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >>> > > >>> org.apache.hama.bsp.GroomServer$BSPPeerChild.main(GroomServer.java:1158) >>> > > > >> >> java.lang.reflect.InvocationTargetException >>> > > > >> >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native >>> > > > Method) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:2 >>> > > > >> >> 5) >>> > > > >> >> at java.lang.reflect.Method.invoke(Method.java:597) >>> > > > >> >> at >>> > > > >> >> >>> > > > >>> org.xerial.snappy.SnappyLoader.loadNativeLibrary(SnappyLoader.java:317) >>> > > > >> >> at >>> > > org.xerial.snappy.SnappyLoader.load(SnappyLoader.java:219) >>> > > > >> >> at org.xerial.snappy.Snappy.<clinit>(Snappy.java:44) >>> > > > >> >> at >>> > > > >> >> >>> > > > >>> org.xerial.snappy.SnappyOutputStream.<init>(SnappyOutputStream.java:79) >>> > > > >> >> at >>> > > > >> >> >>> > > > >>> org.xerial.snappy.SnappyOutputStream.<init>(SnappyOutputStream.java:66) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.hama.bsp.message.compress.SnappyCompressor.compressBundle(SnappyCompressor.java:43) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.hama.bsp.message.AvroMessageManagerImpl.serializeMessage(AvroMessageManagerImpl.java:135) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.hama.bsp.message.AvroMessageManagerImpl.transfer(AvroMessageManagerImpl.java:79) >>> > > > >> >> at >>> > > org.apache.hama.bsp.BSPPeerImpl.sync(BSPPeerImpl.java:328) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >>> > > > >>> > >>> org.apache.hama.examples.PiEstimator$MyEstimator.bsp(PiEstimator.java:69) >>> > > > >> >> at >>> org.apache.hama.bsp.BSPTask.runBSP(BSPTask.java:166) >>> > > > >> >> at org.apache.hama.bsp.BSPTask.run(BSPTask.java:143) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >>> > > >>> org.apache.hama.bsp.GroomServer$BSPPeerChild.main(GroomServer.java:1158) >>> > > > >> >> Caused by: java.lang.UnsatisfiedLinkError: no snappyjava in >>> > > > >> >> java.library.path >>> > > > >> >> at >>> > java.lang.ClassLoader.loadLibrary(ClassLoader.java:1738) >>> > > > >> >> at java.lang.Runtime.loadLibrary0(Runtime.java:823) >>> > > > >> >> at java.lang.System.loadLibrary(System.java:1028) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.xerial.snappy.SnappyNativeLoader.loadLibrary(SnappyNativeLoader.java:52) >>> > > > >> >> ... 17 more >>> > > > >> >> 12/09/11 21:27:14 ERROR bsp.BSPTask: Error running bsp setup >>> and >>> > > bsp >>> > > > >> >> function. >>> > > > >> >> java.lang.NullPointerException >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.hama.bsp.message.compress.SnappyCompressor.compressBundle(SnappyCompressor.java:56) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.hama.bsp.message.AvroMessageManagerImpl.serializeMessage(AvroMessageManagerImpl.java:135) >>> > > > >> >> at >>> > > > >> >> >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.hama.bsp.message.AvroMessageManagerImpl.transfer(AvroMessageManagerImpl.java:79) >>> > > > >> >> at >>> > > org.apache.hama.bsp.BSPPeerImpl.sync(BSPPeerImpl.java:328) >>> > > > >> >> >>> > > > >> >> the user that I currently run hama doesn't have permissions >>> to >>> > > > remove >>> > > > >> >> /tmp/. files. >>> > > > >> >> but I cannot run hama using sudo. >>> > > > >> >> doesn't what to do... >>> > > > >> >> >>> > > > >> >> 2012/9/11 Thomas Jungblut <[email protected]> >>> > > > >> >> >>> > > > >> >> > If you don't have additional stack information it is >>> difficult >>> > to >>> > > > >> guess. >>> > > > >> >> > According to >>> > > > >> >> > >>> > > > http://docs.oracle.com/javase/7/docs/api/java/io/File.html#delete() >>> > > > >> >> > it should throw an IOException that contains the underlying >>> > > error. >>> > > > If >>> > > > >> >> the >>> > > > >> >> > shared object can't be deleted, I would try to start by >>> > checking >>> > > > >> rights >>> > > > >> >> or >>> > > > >> >> > what on the other machines is not like on the machine that >>> > > failed. >>> > > > >> >> > >>> > > > >> >> > 2012/9/11 Sandy Ding <[email protected]> >>> > > > >> >> > >>> > > > >> >> > > Any possible reasons for that? >>> > > > >> >> > > >>> > > > >> >> > > 2012/9/11 Thomas Jungblut <[email protected]> >>> > > > >> >> > > >>> > > > >> >> > > > Hi, >>> > > > >> >> > > > >>> > > > >> >> > > > that is actually a good question. >>> > > > >> >> > > > According to the exception and the code [1] it was >>> unable >>> > to >>> > > > >> delete >>> > > > >> >> the >>> > > > >> >> > > > file. >>> > > > >> >> > > > Actually this could have various reasons, what operating >>> > > system >>> > > > >> are >>> > > > >> >> you >>> > > > >> >> > > > running? >>> > > > >> >> > > > >>> > > > >> >> > > > [1] >>> > > > >> >> > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> https://github.com/xerial/snappy-java/blob/develop/src/main/java/org/xerial/snappy/SnappyLoader.java#L374 >>> > > > >> >> > > > >>> > > > >> >> > > > >>> > > > >> >> > > > 2012/9/11 Sandy Ding <[email protected]> >>> > > > >> >> > > > >>> > > > >> >> > > > > What actually happened in brick4 (the node that >>> refused >>> > > > >> >> > r910(master)'s >>> > > > >> >> > > > > connection) is that it >>> > > > >> >> > > > > " failed to remove existing native library file: /tmp/ >>> > > > >> >> > > > > snappy-1.0.4.1-libsnappyjava.so >>> > > > >> >> > > > > at >>> > > > >> >> > > > > >>> > > > >> >> > > >>> > > > >> >> >>> > > > >> >>> > > > >>> > >>> org.xerial.snappy.SnappyLoader.extractLibraryFile(SnappyLoader.java:376)" >>> > > > >> >> > > > > then >>> > > > >> >> > > > > java.lang.NullPointerException >>> > > > >> >> > > > > at >>> > > > >> >> > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.hama.bsp.message.compress.SnappyCompressor.compressBundle(SnappyCompressor.java:56) >>> > > > >> >> > > > > >>> > > > >> >> > > > > But I actually run in the Hama directory and >>> > > > >> >> snappy-java-1.0.4.1.jar >>> > > > >> >> > is >>> > > > >> >> > > > > included in hama/lib dir. >>> > > > >> >> > > > > I even include the hama/lib/snappy-java-1.0.4.1.jar in >>> > > > >> CLASSPATH. >>> > > > >> >> > > > > What happened? >>> > > > >> >> > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > > 2012/9/11 Sandy Ding <[email protected]> >>> > > > >> >> > > > > >>> > > > >> >> > > > > > Hi, all, >>> > > > >> >> > > > > > >>> > > > >> >> > > > > > I newly set up a 3-node hama cluster following the >>> > > > >> >> > > > HamaInstallationGuide. >>> > > > >> >> > > > > > But I got some confusing errors when running the pi >>> > > > examples, >>> > > > >> >> the >>> > > > >> >> > > > tasklog >>> > > > >> >> > > > > > is as follows: >>> > > > >> >> > > > > > >>> > > > >> >> > > > > > 12/09/11 19:23:39 INFO zookeeper.ZooKeeper: >>> Initiating >>> > > > client >>> > > > >> >> > > > connection, >>> > > > >> >> > > > > > connectString=brick4: >>> > > > >> >> > > > > > 21810,r910:21810 sessionTimeout=1200000 >>> > > > >> >> > > > > > >>> watcher=org.apache.hama.bsp.sync.ZooKeeperSyncClientImp >>> > > > >> >> > > > > > l@e61a35 >>> > > > >> >> > > > > > 12/09/11 19:23:39 INFO zookeeper.ClientCnxn: Opening >>> > > socket >>> > > > >> >> > > connection >>> > > > >> >> > > > to >>> > > > >> >> > > > > > server brick4/10.131. >>> > > > >> >> > > > > > 201.14:21810 >>> > > > >> >> > > > > > 12/09/11 19:23:39 INFO sync.ZooKeeperSyncClientImpl: >>> > > Start >>> > > > >> >> > connecting >>> > > > >> >> > > > to >>> > > > >> >> > > > > > Zookeeper! At r910.ppi >>> > > > >> >> > > > > > /10.131.201.90:61001 >>> > > > >> >> > > > > > 12/09/11 19:23:39 INFO zookeeper.ClientCnxn: Socket >>> > > > >> connection >>> > > > >> >> > > > > established >>> > > > >> >> > > > > > to brick4/10.131.201 >>> > > > >> >> > > > > > .14:21810, initiating session >>> > > > >> >> > > > > > 12/09/11 19:23:39 INFO zookeeper.ClientCnxn: Session >>> > > > >> >> establishment >>> > > > >> >> > > > > > complete on server brick4/10 >>> > > > >> >> > > > > > .131.201.14:21810, sessionid = 0x139b47286bf000c, >>> > > > negotiated >>> > > > >> >> > timeout >>> > > > >> >> > > = >>> > > > >> >> > > > > > 1200000 >>> > > > >> >> > > > > > 12/09/11 19:23:40 INFO ipc.NettyTransceiver: >>> Connecting >>> > > to >>> > > > >> >> > > brick4.r715/ >>> > > > >> >> > > > > > 10.131.201.14:61003 >>> > > > >> >> > > > > > 12/09/11 19:23:40 INFO ipc.NettyTransceiver: [id: >>> > > > 0x0118278a] >>> > > > >> >> OPEN >>> > > > >> >> > > > > > java.net.ConnectException: Connection refused >>> > > > >> >> > > > > > at >>> > > sun.nio.ch.SocketChannelImpl.checkConnect(Native >>> > > > >> >> Method) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > >>> > > > >> >>> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClien >>> > > > >> >> > > > > > tSocketPipelineSink.java:384) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedK >>> > > > >> >> > > > > > eys(NioClientSocketPipelineSink.java:354) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSoc >>> > > > >> >> > > > > > ketPipelineSink.java:276) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:44) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) >>> > > > >> >> > > > > > at java.lang.Thread.run(Thread.java:662) >>> > > > >> >> > > > > > 12/09/11 19:23:40 INFO ipc.NettyTransceiver: [id: >>> > > > 0x0118278a] >>> > > > >> >> > CLOSED >>> > > > >> >> > > > > > 12/09/11 19:23:40 INFO ipc.NettyTransceiver: Remote >>> > peer >>> > > > >> >> > brick4.r715/ >>> > > > >> >> > > > > > 10.131.201.14:61003 closed >>> > > > >> >> > > > > > connection. >>> > > > >> >> > > > > > 12/09/11 19:23:40 ERROR bsp.BSPTask: Error running >>> bsp >>> > > > setup >>> > > > >> and >>> > > > >> >> > bsp >>> > > > >> >> > > > > > function. >>> > > > >> >> > > > > > java.io.IOException: Error connecting to >>> brick4.r715/ >>> > > > >> >> > > > 10.131.201.14:61003 >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.avro.ipc.NettyTransceiver.getChannel(NettyTransceiver.java:163) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > >>> > > > >> >>> > org.apache.avro.ipc.NettyTransceiver.<init>(NettyTransceiver.java:128) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > >>> > > > >>> org.apache.avro.ipc.NettyTransceiver.<init>(NettyTransceiver.java:91) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.hama.bsp.message.AvroMessageManagerImpl.transfer(AvroMessageManagerImpl.j >>> > > > >> >> > > > > > ava:83) >>> > > > >> >> > > > > > at >>> > > > >> >> > org.apache.hama.bsp.BSPPeerImpl.sync(BSPPeerImpl.java:328) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > >>> org.apache.hama.examples.PiEstimator$MyEstimator.bsp(PiEstimator.java:69) >>> > > > >> >> > > > > > at >>> > > > >> org.apache.hama.bsp.BSPTask.runBSP(BSPTask.java:166) >>> > > > >> >> > > > > > at >>> > > > org.apache.hama.bsp.BSPTask.run(BSPTask.java:143) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > >>> > > > >> >> > >>> > > > >> >>> > > >>> org.apache.hama.bsp.GroomServer$BSPPeerChild.main(GroomServer.java:1158) >>> > > > >> >> > > > > > Caused by: java.net.ConnectException: Connection >>> > refused >>> > > > >> >> > > > > > at >>> > > sun.nio.ch.SocketChannelImpl.checkConnect(Native >>> > > > >> >> Method) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > >>> > > > >> >>> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:384) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:354) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:276) >>> > > > >> >> > > > > > 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) >>> > > > >> >> > > > > > 12/09/11 19:23:40 WARN ipc.NettyTransceiver: >>> Unexpected >>> > > > >> >> exception >>> > > > >> >> > > from >>> > > > >> >> > > > > > downstream. >>> > > > >> >> > > > > > java.net.ConnectException: Connection refused >>> > > > >> >> > > > > > at >>> > > sun.nio.ch.SocketChannelImpl.checkConnect(Native >>> > > > >> >> Method) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > >>> > > > >> >> > >>> > > > >> >>> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:384) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:354) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:276) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) >>> > > > >> >> > > > > > at java.lang.Thread.run(Thread.java:662) >>> > > > >> >> > > > > > 12/09/11 19:23:40 INFO zookeeper.ZooKeeper: Session: >>> > > > >> >> > > 0x139b47286bf000c >>> > > > >> >> > > > > > closed >>> > > > >> >> > > > > > 12/09/11 19:23:40 INFO zookeeper.ClientCnxn: >>> > EventThread >>> > > > shut >>> > > > >> >> down >>> > > > >> >> > > > > > 12/09/11 19:23:40 ERROR bsp.BSPTask: Shutting down >>> ping >>> > > > >> service. >>> > > > >> >> > > > > > 12/09/11 19:23:40 FATAL bsp.GroomServer: Error >>> running >>> > > > child >>> > > > >> >> > > > > > java.io.IOException: Error connecting to >>> brick4.r715/ >>> > > > >> >> > > > 10.131.201.14:61003 >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.avro.ipc.NettyTransceiver.getChannel(NettyTransceiver.java:163) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > >>> > > > >> >>> > org.apache.avro.ipc.NettyTransceiver.<init>(NettyTransceiver.java:128) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > >>> > > > >>> org.apache.avro.ipc.NettyTransceiver.<init>(NettyTransceiver.java:91) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.hama.bsp.message.AvroMessageManagerImpl.transfer(AvroMessageManagerImpl.java:83) >>> > > > >> >> > > > > > at >>> > > > >> >> > org.apache.hama.bsp.BSPPeerImpl.sync(BSPPeerImpl.java:328) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > >>> org.apache.hama.examples.PiEstimator$MyEstimator.bsp(PiEstimator.java:69) >>> > > > >> >> > > > > > at >>> > > > >> org.apache.hama.bsp.BSPTask.runBSP(BSPTask.java:166) >>> > > > >> >> > > > > > at >>> > > > org.apache.hama.bsp.BSPTask.run(BSPTask.java:143) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > >>> > > > >> >> > >>> > > > >> >>> > > >>> org.apache.hama.bsp.GroomServer$BSPPeerChild.main(GroomServer.java:1158) >>> > > > >> >> > > > > > Caused by: java.net.ConnectException: Connection >>> > refused >>> > > > >> >> > > > > > at >>> > > sun.nio.ch.SocketChannelImpl.checkConnect(Native >>> > > > >> >> Method) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > >>> > > > >> >>> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:384) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:354) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:276) >>> > > > >> >> > > > > > 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) >>> > > > >> >> > > > > > java.io.IOException: Error connecting to >>> brick4.r715/ >>> > > > >> >> > > > 10.131.201.14:61003 >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.avro.ipc.NettyTransceiver.getChannel(NettyTransceiver.java:163) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > >>> > > > >> >>> > org.apache.avro.ipc.NettyTransceiver.<init>(NettyTransceiver.java:128) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > >>> > > > >>> org.apache.avro.ipc.NettyTransceiver.<init>(NettyTransceiver.java:91) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.apache.hama.bsp.message.AvroMessageManagerImpl.transfer(AvroMessageManagerImpl.java:83) >>> > > > >> >> > > > > > at >>> > > > >> >> > org.apache.hama.bsp.BSPPeerImpl.sync(BSPPeerImpl.java:328) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > >>> org.apache.hama.examples.PiEstimator$MyEstimator.bsp(PiEstimator.java:69) >>> > > > >> >> > > > > > at >>> > > > >> org.apache.hama.bsp.BSPTask.runBSP(BSPTask.java:166) >>> > > > >> >> > > > > > at >>> > > > org.apache.hama.bsp.BSPTask.run(BSPTask.java:143) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > >>> > > > >> >> > >>> > > > >> >>> > > >>> org.apache.hama.bsp.GroomServer$BSPPeerChild.main(GroomServer.java:1158) >>> > > > >> >> > > > > > Caused by: java.net.ConnectException: Connection >>> > refused >>> > > > >> >> > > > > > at >>> > > sun.nio.ch.SocketChannelImpl.checkConnect(Native >>> > > > >> >> Method) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > >>> > > > >> >>> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:384) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:354) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:276) >>> > > > >> >> > > > > > at >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >>> > > > >>> > > >>> > >>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) >>> > > > >> >> > > > > > ..... >>> > > > >> >> > > > > > >>> > > > >> >> > > > > > Can anybody help? I am really desparate... >>> > > > >> >> > > > > > >>> > > > >> >> > > > > > Thanks in advance, >>> > > > >> >> > > > > > >>> > > > >> >> > > > > > Sandy >>> > > > >> >> > > > > > >>> > > > >> >> > > > > > >>> > > > >> >> > > > > >>> > > > >> >> > > > >>> > > > >> >> > > >>> > > > >> >> > >>> > > > >> >> >>> > > > >> > >>> > > > >> > >>> > > > >> >>> > > > > >>> > > > > >>> > > > >>> > > >>> > >>> >> >>
