Hey walker, did you copy the Hadoop jar into the Hama lib folder? Otherwise I can't explain this.
2012/9/12 Edward J. Yoon <[email protected]> > I'm use 0.20.2 and 0.20.2-cdh versions. There's no problem. > > Sent from my iPad > > On Sep 12, 2012, at 4:59 PM, Thomas Jungblut <[email protected]> > wrote: > > > Anyone tested the compatibility to Hadoop 20.2 with Hama 0.5? > > [1] says it is compatible. > > > > [1] http://wiki.apache.org/hama/CompatibilityTable > > > > 2012/9/12 顾荣 <[email protected]> > > > >> Okay, I'll try Hadoop 1.0.3 with Hama 0.50. > >> Thanks Thomas. I can't wait to explore the Hama world now. > >> > >> walker. > >> > >> 2012/9/12 Thomas Jungblut <[email protected]> > >> > >>> oh okay. I'm not sure if 0.5.0 is really compatible to 20.2, > personally I > >>> have installed 1.0.3 and it works fine. > >>> Sorry to let you install all the different versions. > >>> > >>> 2012/9/12 顾荣 <[email protected]> > >>> > >>>> Thanks Thomas. The HDFS works well. I even put a file from local to it > >>>> successfully. It absolutely left the safemode. The namenode starting > >> log > >>> is > >>>> as below: > >>>> > >>>> 2012-09-12 15:10:39,002 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.NameNode: STARTUP_MSG: > >>>> /************************************************************ > >>>> STARTUP_MSG: Starting NameNode > >>>> STARTUP_MSG: host = slave021/192.168.1.21 > >>>> STARTUP_MSG: args = [] > >>>> STARTUP_MSG: version = 0.20.2 > >>>> STARTUP_MSG: build = > >>>> https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20-r > >>>> 911707; compiled by 'chrisdo' on Fri Feb 19 08:07:34 UTC 2010 > >>>> ************************************************************/ > >>>> 2012-09-12 15:10:39,092 INFO org.apache.hadoop.ipc.metrics.RpcMetrics: > >>>> Initializing RPC Metrics with hostName=NameNode, port=54310 > >>>> 2012-09-12 15:10:39,098 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.NameNode: Namenode up at: > >>> slave021/ > >>>> 192.168.1.21:54310 > >>>> 2012-09-12 15:10:39,100 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: > >>>> Initializing JVM Metrics with processName=NameNode, sessionId=null > >>>> 2012-09-12 15:10:39,101 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.metrics.NameNodeMetrics: > >>>> Initializing NameNodeMeterics using context > >>>> object:org.apache.hadoop.metrics.spi.NullContext > >>>> 2012-09-12 15:10:39,143 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: > >>>> fsOwner=hadoop,hadoop_user,wheel > >>>> 2012-09-12 15:10:39,144 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: > >>> supergroup=supergroup > >>>> 2012-09-12 15:10:39,144 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: > >>>> isPermissionEnabled=true > >>>> 2012-09-12 15:10:39,150 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.metrics.FSNamesystemMetrics: > >>>> Initializing FSNamesystemMetrics using context > >>>> object:org.apache.hadoop.metrics.spi.NullContext > >>>> 2012-09-12 15:10:39,151 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Registered > >>>> FSNamesystemStatusMBean > >>>> 2012-09-12 15:10:39,177 INFO > >>> org.apache.hadoop.hdfs.server.common.Storage: > >>>> Number of files = 1 > >>>> 2012-09-12 15:10:39,181 INFO > >>> org.apache.hadoop.hdfs.server.common.Storage: > >>>> Number of files under construction = 0 > >>>> 2012-09-12 15:10:39,181 INFO > >>> org.apache.hadoop.hdfs.server.common.Storage: > >>>> Image file of size 96 loaded in 0 seconds. > >>>> 2012-09-12 15:10:39,181 INFO > >>> org.apache.hadoop.hdfs.server.common.Storage: > >>>> Edits file > >>>> /home/hadoop/gurong/hadoop-0.20.2/hadoop_dir/dfs/name/current/edits of > >>> size > >>>> 4 edits # 0 loaded in 0 seconds. > >>>> 2012-09-12 15:10:39,236 INFO > >>> org.apache.hadoop.hdfs.server.common.Storage: > >>>> Image file of size 96 saved in 0 seconds. > >>>> 2012-09-12 15:10:39,439 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Finished loading > >>>> FSImage in 312 msecs > >>>> 2012-09-12 15:10:39,441 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Total number of > >>> blocks > >>>> = 0 > >>>> 2012-09-12 15:10:39,441 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of invalid > >>>> blocks = 0 > >>>> 2012-09-12 15:10:39,441 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of > >>>> under-replicated blocks = 0 > >>>> 2012-09-12 15:10:39,441 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of > >>>> over-replicated blocks = 0 > >>>> 2012-09-12 15:10:39,441 INFO org.apache.hadoop.hdfs.StateChange: > STATE* > >>>> Leaving safe mode after 0 secs. > >>>> 2012-09-12 15:10:39,441 INFO org.apache.hadoop.hdfs.StateChange: > STATE* > >>>> Network topology has 0 racks and 0 datanodes > >>>> 2012-09-12 15:10:39,441 INFO org.apache.hadoop.hdfs.StateChange: > STATE* > >>>> UnderReplicatedBlocks has 0 blocks > >>>> 2012-09-12 15:10:39,554 INFO org.mortbay.log: Logging to > >>>> org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via > >>>> org.mortbay.log.Slf4jLog > >>>> 2012-09-12 15:10:39,603 INFO org.apache.hadoop.http.HttpServer: Port > >>>> returned by webServer.getConnectors()[0].getLocalPort() before open() > >> is > >>>> -1. Opening the listener on 50070 > >>>> 2012-09-12 15:10:39,604 INFO org.apache.hadoop.http.HttpServer: > >>>> listener.getLocalPort() returned 50070 > >>>> webServer.getConnectors()[0].getLocalPort() returned 50070 > >>>> 2012-09-12 15:10:39,604 INFO org.apache.hadoop.http.HttpServer: Jetty > >>> bound > >>>> to port 50070 > >>>> 2012-09-12 15:10:39,604 INFO org.mortbay.log: jetty-6.1.14 > >>>> 2012-09-12 15:10:48,662 INFO org.mortbay.log: Started > >>>> [email protected]:50070 > >>>> 2012-09-12 15:10:48,663 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.NameNode: Web-server up at: > >>>> 0.0.0.0:50070 > >>>> 2012-09-12 15:10:48,666 INFO org.apache.hadoop.ipc.Server: IPC Server > >>>> listener on 54310: starting > >>>> 2012-09-12 15:10:48,667 INFO org.apache.hadoop.ipc.Server: IPC Server > >>>> Responder: starting > >>>> 2012-09-12 15:10:48,668 INFO org.apache.hadoop.ipc.Server: IPC Server > >>>> handler 0 on 54310: starting > >>>> 2012-09-12 15:10:48,668 INFO org.apache.hadoop.ipc.Server: IPC Server > >>>> handler 1 on 54310: starting > >>>> 2012-09-12 15:10:48,668 INFO org.apache.hadoop.ipc.Server: IPC Server > >>>> handler 2 on 54310: starting > >>>> 2012-09-12 15:10:48,668 INFO org.apache.hadoop.ipc.Server: IPC Server > >>>> handler 3 on 54310: starting > >>>> 2012-09-12 15:10:48,668 INFO org.apache.hadoop.ipc.Server: IPC Server > >>>> handler 4 on 54310: starting > >>>> 2012-09-12 15:10:48,669 INFO org.apache.hadoop.ipc.Server: IPC Server > >>>> handler 5 on 54310: starting > >>>> 2012-09-12 15:10:48,669 INFO org.apache.hadoop.ipc.Server: IPC Server > >>>> handler 6 on 54310: starting > >>>> 2012-09-12 15:10:48,669 INFO org.apache.hadoop.ipc.Server: IPC Server > >>>> handler 7 on 54310: starting > >>>> 2012-09-12 15:10:48,669 INFO org.apache.hadoop.ipc.Server: IPC Server > >>>> handler 8 on 54310: starting > >>>> 2012-09-12 15:10:48,669 INFO org.apache.hadoop.ipc.Server: IPC Server > >>>> handler 9 on 54310: starting > >>>> 2012-09-12 15:10:48,700 INFO org.apache.hadoop.ipc.Server: Error > >> register > >>>> getProtocolVersion > >>>> java.lang.IllegalArgumentException: Duplicate > >>>> metricsName:getProtocolVersion > >>>> at > >>>> > >>> > >> > org.apache.hadoop.metrics.util.MetricsRegistry.add(MetricsRegistry.java:53) > >>>> at > >>>> > >>>> > >>> > >> > org.apache.hadoop.metrics.util.MetricsTimeVaryingRate.<init>(MetricsTimeVaryingRate.java:89) > >>>> at > >>>> > >>>> > >>> > >> > org.apache.hadoop.metrics.util.MetricsTimeVaryingRate.<init>(MetricsTimeVaryingRate.java:99) > >>>> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:523) > >>>> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959) > >>>> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955) > >>>> at java.security.AccessController.doPrivileged(Native Method) > >>>> at javax.security.auth.Subject.doAs(Subject.java:416) > >>>> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953) > >>>> 2012-09-12 15:11:05,298 INFO org.apache.hadoop.hdfs.StateChange: > BLOCK* > >>>> NameSystem.registerDatanode: node registration from > >>>> 192.168.1.21:50010storage > >>>> DS-1416037815-192.168.1.21-50010-1347433865293 > >>>> 2012-09-12 15:11:05,300 INFO org.apache.hadoop.net.NetworkTopology: > >>> Adding > >>>> a new node: /default-rack/192.168.1.21:50010 > >>>> 2012-09-12 15:11:15,069 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit: > >>>> ugi=webuser,webgroup ip=/192.168.1.21 cmd=listStatus src=/ > >>>> dst=null perm=null > >>>> 2012-09-12 15:12:05,034 WARN org.apache.hadoop.ipc.Server: Incorrect > >>> header > >>>> or version mismatch from 192.168.1.21:56281 got version 4 expected > >>>> version 3 > >>>> 2012-09-12 15:14:51,535 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit: > >>>> ugi=hadoop,hadoop_user,wheel ip=/192.168.1.21 cmd=listStatus > >>>> src=/ dst=null perm=null > >>>> 2012-09-12 15:15:10,158 INFO > >>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of > >>>> transactions: 2 Total time for transactions(ms): 0Number of > >> transactions > >>>> batched in Syncs: 0 Number of syncs: 0 SyncTimes(ms): 0 > >>>> > >>>> I used Hama 0.5 and hadoop 0.20.2. Has somebody test this match can > >> work > >>>> well? > >>>> > >>>> thanks very much. > >>>> > >>>> walker > >>>> > >>>> 2012/9/12 Thomas Jungblut <[email protected]> > >>>> > >>>>> Still it says: > >>>>>> > >>>>>> " 2012-09-12 14:41:16,218 ERROR org.apache.hama.bsp.BSPMaster: > >> Can't > >>>> get > >>>>>> connection to Hadoop Namenode! " > >>>>> > >>>>> > >>>>> Can you verify that the namenode is not in safemode and has correctly > >>>>> started up? > >>>>> Have a look into the namenode logs please! > >>>>> > >>>>> 2012/9/12 顾荣 <[email protected]> > >>>>> > >>>>>> By the way, the fs.default.name is 192.168.1.21:54310. I checked > >> the > >>>>> HDFS, > >>>>>> it works well. I installed and ran both HDFS and Hama using the > >> same > >>>>> linux > >>>>>> account. > >>>>>> > >>>>>> 2012/9/12 顾荣 <[email protected]> > >>>>>> > >>>>>>> Thanks so much, Edward. > >>>>>>> > >>>>>>> I fellowed your suggestion and instanlled a hadoop 0.20.2 instead > >>> for > >>>>>>> Hama. However, this time when I start Hama, a fatal happened and > >>> the > >>>>>>> bspmaster daemon can not start up. The corresponding error > >> message > >>> in > >>>>> the > >>>>>>> baspmaster log file shows as below. > >>>>>>> > >>>>>>> ************************************************************/ > >>>>>>> 2012-09-12 14:40:38,238 INFO org.apache.hama.BSPMasterRunner: > >>>>>> STARTUP_MSG: > >>>>>>> /************************************************************ > >>>>>>> STARTUP_MSG: Starting BSPMaster > >>>>>>> STARTUP_MSG: host = slave021/192.168.1.21 > >>>>>>> STARTUP_MSG: args = [] > >>>>>>> STARTUP_MSG: version = 1.0.0 > >>>>>>> STARTUP_MSG: build = > >>>>>>> > >>> https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.0-r > >>>>>>> 1214675; compiled by 'hortonfo' on Fri Dec 16 20:01:27 UTC 2011 > >>>>>>> ************************************************************/ > >>>>>>> 2012-09-12 14:40:38,414 INFO org.apache.hama.bsp.BSPMaster: RPC > >>>>>> BSPMaster: > >>>>>>> host slave021 port 40000 > >>>>>>> 2012-09-12 14:40:38,502 INFO org.apache.hadoop.ipc.Server: > >> Starting > >>>>>>> SocketReader > >>>>>>> 2012-09-12 14:40:38,542 INFO org.mortbay.log: Logging to > >>>>>>> org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via > >>>>>>> org.mortbay.log.Slf4jLog > >>>>>>> 2012-09-12 14:40:38,583 INFO org.apache.hama.http.HttpServer: > >> Port > >>>>>>> returned by webServer.getConnectors()[0].getLocalPort() before > >>> open() > >>>>> is > >>>>>>> -1. Opening the listener on 40013 > >>>>>>> 2012-09-12 14:40:38,584 INFO org.apache.hama.http.HttpServer: > >>>>>>> listener.getLocalPort() returned 40013 > >>>>>>> webServer.getConnectors()[0].getLocalPort() returned 40013 > >>>>>>> 2012-09-12 14:40:38,584 INFO org.apache.hama.http.HttpServer: > >> Jetty > >>>>> bound > >>>>>>> to port 40013 > >>>>>>> 2012-09-12 14:40:38,584 INFO org.mortbay.log: jetty-6.1.14 > >>>>>>> 2012-09-12 14:40:38,610 INFO org.mortbay.log: Extract > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > jar:file:/home/hadoop/hama_installs/hama-0.5.0/hama-core-0.5.0.jar!/webapp/bspmaster/ > >>>>>>> to /tmp/Jetty_slave021_40013_bspmaster____.1tzgsz/webapp > >>>>>>> 2012-09-12 14:41:16,073 INFO org.mortbay.log: Started > >>>>>>> SelectChannelConnector@slave021:40013 > >>>>>>> 2012-09-12 14:41:16,218 ERROR org.apache.hama.bsp.BSPMaster: > >> Can't > >>>> get > >>>>>>> connection to Hadoop Namenode! > >>>>>>> java.io.IOException: Call to /192.168.1.21:54310 failed on local > >>>>>>> exception: java.io.EOFException > >>>>>>> at > >> org.apache.hadoop.ipc.Client.wrapException(Client.java:1103) > >>>>>>> at org.apache.hadoop.ipc.Client.call(Client.java:1071) > >>>>>>> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:225) > >>>>>>> at $Proxy5.getProtocolVersion(Unknown Source) > >>>>>>> at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:396) > >>>>>>> at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:379) > >>>>>>> at > >>>>>>> > >>>> org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:119) > >>>>>>> at > >> org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:238) > >>>>>>> at > >> org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:203) > >>>>>>> at > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:89) > >>>>>>> at > >>>>>>> > >>>> org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1386) > >>>>>>> at > >>> org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:66) > >>>>>>> at > >>>> org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1404) > >>>>>>> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:254) > >>>>>>> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:123) > >>>>>>> at org.apache.hama.bsp.BSPMaster.<init>(BSPMaster.java:299) > >>>>>>> at > >>> org.apache.hama.bsp.BSPMaster.startMaster(BSPMaster.java:454) > >>>>>>> at > >>> org.apache.hama.bsp.BSPMaster.startMaster(BSPMaster.java:449) > >>>>>>> at > >> org.apache.hama.BSPMasterRunner.run(BSPMasterRunner.java:46) > >>>>>>> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) > >>>>>>> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) > >>>>>>> at > >>> org.apache.hama.BSPMasterRunner.main(BSPMasterRunner.java:56) > >>>>>>> Caused by: java.io.EOFException > >>>>>>> at java.io.DataInputStream.readInt(DataInputStream.java:392) > >>>>>>> at > >>>>>>> > >>>>> > >>> > org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:800) > >>>>>>> at > >> org.apache.hadoop.ipc.Client$Connection.run(Client.java:745) > >>>>>>> 2012-09-12 14:41:16,222 FATAL org.apache.hama.BSPMasterRunner: > >>>>>>> java.lang.NullPointerException > >>>>>>> at > >>> org.apache.hama.bsp.BSPMaster.getSystemDir(BSPMaster.java:862) > >>>>>>> at org.apache.hama.bsp.BSPMaster.<init>(BSPMaster.java:308) > >>>>>>> at > >>> org.apache.hama.bsp.BSPMaster.startMaster(BSPMaster.java:454) > >>>>>>> at > >>> org.apache.hama.bsp.BSPMaster.startMaster(BSPMaster.java:449) > >>>>>>> at > >> org.apache.hama.BSPMasterRunner.run(BSPMasterRunner.java:46) > >>>>>>> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) > >>>>>>> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) > >>>>>>> at > >>> org.apache.hama.BSPMasterRunner.main(BSPMasterRunner.java:56) > >>>>>>> > >>>>>>> 2012-09-12 14:41:16,223 INFO org.apache.hama.BSPMasterRunner: > >>>>>>> SHUTDOWN_MSG: > >>>>>>> /************************************************************ > >>>>>>> SHUTDOWN_MSG: Shutting down BSPMaster at slave021/192.168.1.21 > >>>>>>> ************************************************************/ > >>>>>>> > >>>>>>> Would please give me some tips again? > >>>>>>> > >>>>>>> Thanks,again. > >>>>>>> > >>>>>>> walker > >>>>>>> > >>>>>>> 2012/9/12 Edward J. Yoon <[email protected]> > >>>>>>> > >>>>>>> Unfortunately we don't support Hadoop secure version yet. > >>>>>>>> > >>>>>>>> Instead of 0.20.205, Please use hadoop non-secure 0.20.2 or > >> 1.0.3 > >>>>>>>> versions. > >>>>>>>> > >>>>>>>> Thanks. > >>>>>>>> > >>>>>>>> On Wed, Sep 12, 2012 at 11:25 AM, 顾荣 <[email protected]> > >>>> wrote: > >>>>>>>>> Hi,all. > >>>>>>>>> > >>>>>>>>> I set up a hama cluster of 3 nodes and start hama > >> successfully. > >>>>>> However, > >>>>>>>>> when I run the pi example, the job failed with a very strange > >>>>> message > >>>>>> as > >>>>>>>>> below. > >>>>>>>>> > >>>>>>>>> hama jar > >>>>>> /home/hadoop/hama_installs/hama-0.5.0/hama-examples-0.5.0.jar > >>>>>>>> pi > >>>>>>>>> org.apache.hadoop.ipc.RemoteException: java.io.IOException: > >>>>>>>>> java.lang.NoSuchMethodException: > >>>>>>>>> > >>>>>> > >>> org.apache.hadoop.hdfs.protocol.ClientProtocol.create(java.lang.String, > >>>>>>>>> org.apache.hadoop.fs.permission.FsPermission, > >> java.lang.String, > >>>>>> boolean, > >>>>>>>>> boolean, short, long) > >>>>>>>>> at java.lang.Class.getMethod(Class.java:1605) > >>>>>>>>> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:557) > >>>>>>>>> at > >>>> org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1388) > >>>>>>>>> at > >>>> org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1384) > >>>>>>>>> at java.security.AccessController.doPrivileged(Native > >>> Method) > >>>>>>>>> at javax.security.auth.Subject.doAs(Subject.java:396) > >>>>>>>>> at > >>>>>>>>> > >>>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059) > >>>>>>>>> at > >>> org.apache.hadoop.ipc.Server$Handler.run(Server.java:1382) > >>>>>>>>> > >>>>>>>>> at org.apache.hadoop.ipc.Client.call(Client.java:1066) > >>>>>>>>> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:225) > >>>>>>>>> at $Proxy2.create(Unknown Source) > >>>>>>>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native > >>> Method) > >>>>>>>>> at > >>>>>>>>> > >>>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > >>>>>>>>> at > >>>>>>>>> > >>>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > >>>>>>>>> at java.lang.reflect.Method.invoke(Method.java:616) > >>>>>>>>> at > >>>>>>>>> > >>>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82) > >>>>>>>>> at > >>>>>>>>> > >>>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59) > >>>>>>>>> at $Proxy2.create(Unknown Source) > >>>>>>>>> at > >>>>>>>>> > >>>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.<init>(DFSClient.java:3245) > >>>>>>>>> at > >>> org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:713) > >>>>>>>>> at > >>>>>>>>> > >>>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:182) > >>>>>>>>> at > >>> org.apache.hadoop.fs.FileSystem.create(FileSystem.java:555) > >>>>>>>>> at > >>> org.apache.hadoop.fs.FileSystem.create(FileSystem.java:536) > >>>>>>>>> at > >>> org.apache.hadoop.fs.FileSystem.create(FileSystem.java:443) > >>>>>>>>> at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:229) > >>>>>>>>> at > >>>>>>>>> > >>>>>> > >>> org.apache.hadoop.fs.FileSystem.copyFromLocalFile(FileSystem.java:1195) > >>>>>>>>> at > >>>>>>>>> > >>>>>> > >>> org.apache.hadoop.fs.FileSystem.copyFromLocalFile(FileSystem.java:1171) > >>>>>>>>> at > >>>>>>>>> > >>>>>> > >>> org.apache.hadoop.fs.FileSystem.copyFromLocalFile(FileSystem.java:1143) > >>>>>>>>> at > >>>>>>>>> > >>>>>>>> > >>>>>> > >>>> > >> > org.apache.hama.bsp.BSPJobClient.submitJobInternal(BSPJobClient.java:349) > >>>>>>>>> at > >>>>>> org.apache.hama.bsp.BSPJobClient.submitJob(BSPJobClient.java:294) > >>>>>>>>> at org.apache.hama.bsp.BSPJob.submit(BSPJob.java:218) > >>>>>>>>> at > >>>> org.apache.hama.bsp.BSPJob.waitForCompletion(BSPJob.java:225) > >>>>>>>>> at > >>>>> org.apache.hama.examples.PiEstimator.main(PiEstimator.java:139) > >>>>>>>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native > >>> Method) > >>>>>>>>> at > >>>>>>>>> > >>>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > >>>>>>>>> at > >>>>>>>>> > >>>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > >>>>>>>>> at java.lang.reflect.Method.invoke(Method.java:616) > >>>>>>>>> at > >>>>>>>>> > >>>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68) > >>>>>>>>> at > >>>>>>>> > >>> org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139) > >>>>>>>>> at > >>>>>>>> > >> org.apache.hama.examples.ExampleDriver.main(ExampleDriver.java:39) > >>>>>>>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native > >>> Method) > >>>>>>>>> at > >>>>>>>>> > >>>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > >>>>>>>>> at > >>>>>>>>> > >>>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > >>>>>>>>> at java.lang.reflect.Method.invoke(Method.java:616) > >>>>>>>>> at org.apache.hama.util.RunJar.main(RunJar.java:147) > >>>>>>>>> > >>>>>>>>> My hama verison is 0.5 and hadoop version is 0.20.205. This > >>> error > >>>>>> seems > >>>>>>>> to > >>>>>>>>> comes from the > >>>>> "org.apache.hadoop.hdfs.protocol.ClientProtocol.create" > >>>>>>>>> method, this is a normal method. I am kind of confused... > >>>>>>>>> > >>>>>>>>> Thanks in advance. > >>>>>>>>> > >>>>>>>>> walker > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> -- > >>>>>>>> Best Regards, Edward J. Yoon > >>>>>>>> @eddieyoon > >>>>>>>> > >>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> >
