I think there is no error, the fifth parameter is message type. 在 2012-9-16 晚上11:35，"顾荣" <[email protected]>写道：
> Hi, Suraj. > > I am reading the "BSP Programming > Model< > https://issues.apache.org/jira/secure/attachment/12528218/ApacheHamaBSPProgrammingmodel.pdf > >" > pdf in Hama wiki you introduced to me. > I wonder there is a type error in this pdf. > See the "BSPPeer<NullWritable, NullWritable, Text, > DoubleWritable,DoubleWritable> peer" in the code block in page 16. Is it > should be "BSPPeer<NullWritable, NullWritable, Text, DoubleWritable> peer" > ? > > BTW, this pdf file is a wonderful guide for me,thanks . > > Walker. > > 2012/9/13 顾荣 <[email protected]> > > > Hi, Suraj. > > > > Thanks so much. I am just looking for the introdution material of the > > programming model and the execution mechanism in hama.You guys are so > kind. > > > > Regards > > Walker. > > > > > > 2012/9/13 Suraj Menon <[email protected]> > > > >> Sorry Walker I am a little late in responding .. For further help you > can > >> refer the PDFs here - http://wiki.apache.org/hama/GettingStarted > >> It has installation guide and introduction to programming model. I am in > >> the process of converting it to html ebook. > >> The document contents are still evolving but the installation guide has > >> been just enough to start on Hama. > >> > >> Good luck. > >> > >> -Suraj > >> > >> On Wed, Sep 12, 2012 at 9:17 PM, Edward J. Yoon <[email protected] > >> >wrote: > >> > >> > No problem, walker. Thanks a lot for your feedbacks. :-) > >> > > >> > On Wed, Sep 12, 2012 at 11:11 PM, 顾荣 <[email protected]> wrote: > >> > > Hi, Thomas and Edward. > >> > > > >> > > I am sry, I did not copy the Hadop jar into the Hama lib folder. So, > >> > there > >> > > comes a problem when I use hadoop 0.20.2 for Hama 0.5 at first. > When I > >> > use > >> > > hadoop 1.0.3, I did not replace the hadoop jar in Hama lib either. > >> > However, > >> > > by default, Hama 0.5 contains hadoop-core-1.0.0.jar in its lib. > Maybe > >> > > because hadoop 1.0.0 do not have too much difference with hadoop > >> 1.0.3 in > >> > > communication protocol, so I passed the pi example fortunately. > >> > > > >> > > By the way, I have tested that the Hama 0.5 can really works well > >> with > >> > > Hadoop 0.20.2 after replace the hadoop jar files in ${HAMA_HOME}/lib > >> > > folder. > >> > > It makes sense. When starting, the Hama bspmaster needs to > communicate > >> > the > >> > > Namenode, thus the hadoop jar it used needs match the version of > the > >> > > running HDFS. That's why it shows the error message such as can not > >> > connect > >> > > the namenode and RPC failed and so on in the log. > >> > > > >> > > During installation, I just followed the this guide > >> > > http://hama.apache.org/getting_started_with_hama.html and missed > its > >> > link > >> > > page http://wiki.apache.org/hama/CompatibilityTable. Sorry again. > >> > > > >> > > Regards. > >> > > Walker. > >> > > > >> > > 2012/9/12 Thomas Jungblut <[email protected]> > >> > > > >> > >> 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 > >> > >> > >>>>>>>> > >> > >> > >>>>>>> > >> > >> > >>>>>>> > >> > >> > >>>>>> > >> > >> > >>>>> > >> > >> > >>>> > >> > >> > >>> > >> > >> > >> > >> > >> > > >> > >> > >> > > >> > > >> > > >> > -- > >> > Best Regards, Edward J. Yoon > >> > @eddieyoon > >> > > >> > > > > >
