Hicc is unable to connect to HDFS on hadoop-standalone.soc.net:8020<http://hadoop-standalone.soc.net/192.168.150.254:8020>. Is the configuration correct? Make sure port 8020 is not blocked by firewall.
Second error seems to be in hbase-site.xml, where the hbase master hostname has non-alpha numeric characters garbled in the hostname. ؟�[email protected] regards, Eric On Sat, Feb 2, 2013 at 11:29 PM, Farrokh Shahriari < [email protected]> wrote: > And I also when I checked this url : > http://machine:4080/hicc/jsp/graph_explorer.jsp,I've got this error : > > 2013-02-03 11:04:42,349 INFO 616991384@qtp-220467482-7 /hicc - jsp: init > 2013-02-03 11:04:42,630 INFO 616991384@qtp-220467482-7 ZooKeeper - > Initiating client connection, connectString=hadoop-standalone:2181 > sessionTimeout=180000 watcher=hconnection > 2013-02-03 11:04:42,631 INFO 616991384@qtp-220467482-7-SendThread() > ClientCnxn - Opening socket connection to server hadoop-standalone/ > 192.168.150.254:2181 > 2013-02-03 11:04:42,632 INFO > 616991384@qtp-220467482-7-SendThread(hadoop-standalone:2181) > ClientCnxn - Socket connection established to hadoop-standalone/ > 192.168.150.254:2181, initiating session > 2013-02-03 11:04:42,677 INFO > 616991384@qtp-220467482-7-SendThread(hadoop-standalone:2181) > ClientCnxn - Session establishment complete on server hadoop-standalone/ > 192.168.150.254:2181, sessionid = 0x13c9adf3ab20060, negotiated timeout = > 40000 > 2013-02-03 11:04:42,682 ERROR 616991384@qtp-220467482-7 ChukwaHBaseStore > - java.lang.IllegalArgumentException: Not a host:port pair: ُ؟� > [email protected] > ,60000,1359815006323 > at > org.apache.hadoop.hbase.HServerAddress.<init>(HServerAddress.java:60) > at > org.apache.hadoop.hbase.MasterAddressTracker.getMasterAddress(MasterAddressTracker.java:63) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getMaster(HConnectionManager.java:354) > at > org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:94) > at > org.apache.hadoop.chukwa.datastore.ChukwaHBaseStore.getTableNames(ChukwaHBaseStore.java:122) > at > org.apache.hadoop.chukwa.hicc.rest.MetricsController.getTables(MetricsController.java:125) > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:168) > at > com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:70) > at > com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:279) > at > com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:136) > at > com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:86) > at > com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:136) > at > com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:74) > at > com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1357) > at > com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1289) > at > com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1239) > at > com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1229) > at > com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:420) > at > com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:497) > at > com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:684) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) > at > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) > at > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401) > at > org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) > at > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) > at > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) > at > org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450) > at > org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230) > at > org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) > at org.mortbay.jetty.Server.handle(Server.java:326) > at > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) > at > org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928) > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549) > at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) > at > org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) > at > org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) > > Tnx for your help > > > On Sun, Feb 3, 2013 at 9:04 AM, Farrokh Shahriari < > [email protected]> wrote: > >> This is my last error after i ran hicc & check it on port 4080 ( in web >> ui I got this message : Error in loading dashboard ) , & here is hicc.log : >> >> 2013-02-03 08:56:53,939 INFO 127861719@qtp-1979873666-7 ZooKeeper - >> Client >> environment:java.library.path=/usr/lib/hadoop/lib/native/Linux-i386-32 >> 2013-02-03 08:56:53,939 INFO 127861719@qtp-1979873666-7 ZooKeeper - >> Client environment:java.io.tmpdir=/tmp >> 2013-02-03 08:56:53,939 INFO 127861719@qtp-1979873666-7 ZooKeeper - >> Client environment:java.compiler=<NA> >> 2013-02-03 08:56:53,939 INFO 127861719@qtp-1979873666-7 ZooKeeper - >> Client environment:os.name=Linux >> 2013-02-03 08:56:53,939 INFO 127861719@qtp-1979873666-7 ZooKeeper - >> Client environment:os.arch=amd64 >> 2013-02-03 08:56:53,939 INFO 127861719@qtp-1979873666-7 ZooKeeper - >> Client environment:os.version=2.6.32-220.el6.x86_64 >> 2013-02-03 08:56:53,939 INFO 127861719@qtp-1979873666-7 ZooKeeper - >> Client environment:user.name=root >> 2013-02-03 08:56:53,939 INFO 127861719@qtp-1979873666-7 ZooKeeper - >> Client environment:user.home=/root >> 2013-02-03 08:56:53,939 INFO 127861719@qtp-1979873666-7 ZooKeeper - >> Client environment:user.dir=/etc/Chukwa/chukwa-incubating-0.5.0 >> 2013-02-03 08:56:53,940 INFO 127861719@qtp-1979873666-7 ZooKeeper - >> Initiating client connection, connectString=hadoop-standalone:2181 >> sessionTimeout=180000 watcher=hconnection >> 2013-02-03 08:56:53,946 INFO 127861719@qtp-1979873666-7-SendThread() >> ClientCnxn - Opening socket connection to server hadoop-standalone/ >> 192.168.150.254:2181 >> 2013-02-03 08:56:53,947 INFO >> 127861719@qtp-1979873666-7-SendThread(hadoop-standalone:2181) >> ClientCnxn - Socket connection established to hadoop-standalone/ >> 192.168.150.254:2181, initiating session >> 2013-02-03 08:56:53,964 INFO >> 127861719@qtp-1979873666-7-SendThread(hadoop-standalone:2181) >> ClientCnxn - Session establishment complete on server hadoop-standalone/ >> 192.168.150.254:2181, sessionid = 0x13c9adf3ab2003d, negotiated timeout >> = 40000 >> 2013-02-03 08:56:55,168 INFO 1152423575@qtp-1979873666-6ChukwaConfiguration >> - chukwaConf is >> /etc/Chukwa/chukwa-incubating-0.5.0/etc/chukwa >> 2013-02-03 08:56:55,335 ERROR 127861719@qtp-1979873666-7 ViewStore - >> java.io.IOException: Call to >> hadoop-standalone.soc.net/192.168.150.254:8020 failed on local >> exception: java.io.IOException: Broken pipe >> 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 $Proxy65.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.hadoop.chukwa.datastore.ViewStore.load(ViewStore.java:74) >> at >> org.apache.hadoop.chukwa.datastore.ViewStore.<init>(ViewStore.java:61) >> at >> org.apache.hadoop.chukwa.rest.resource.ViewResource.getView(ViewResource.java:52) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at >> com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:168) >> at >> com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:70) >> at >> com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:279) >> at >> com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:136) >> at >> com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:86) >> at >> com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:136) >> at >> com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:74) >> at >> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1357) >> at >> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1289) >> at >> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1239) >> at >> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1229) >> at >> com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:420) >> at >> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:497) >> at >> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:684) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) >> at >> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) >> at >> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401) >> at >> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) >> at >> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) >> at >> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) >> at >> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450) >> at >> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230) >> at >> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114) >> at >> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) >> at org.mortbay.jetty.Server.handle(Server.java:326) >> at >> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) >> at >> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928) >> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549) >> at >> org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) >> at >> org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) >> at >> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) >> at >> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) >> Caused by: java.io.IOException: Broken pipe >> at sun.nio.ch.FileDispatcher.write0(Native Method) >> at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:29) >> at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:69) >> at sun.nio.ch.IOUtil.write(IOUtil.java:40) >> at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:336) >> at >> org.apache.hadoop.net.SocketOutputStream$Writer.performIO(SocketOutputStream.java:55) >> at >> org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTimeout.java:142) >> at >> org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:146) >> at >> org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:107) >> at >> java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65) >> at >> java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123) >> at java.io.DataOutputStream.flush(DataOutputStream.java:106) >> at >> org.apache.hadoop.ipc.Client$Connection.sendParam(Client.java:779) >> at org.apache.hadoop.ipc.Client.call(Client.java:1047) >> ... 52 more >> >> 2013-02-03 08:56:55,335 ERROR 1152423575@qtp-1979873666-6 ViewStore - >> java.io.IOException: Call to >> hadoop-standalone.soc.net/192.168.150.254:8020 failed on local >> exception: java.io.IOException: Broken pipe >> at org.apache.hadoop.ipc.Client.wrapException(Client.java:1103) >> at org.apache.hadoop.ipc.Client.call(Client.java:1071) >> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:225) >> at $Proxy65.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.hadoop.chukwa.datastore.ViewStore.list(ViewStore.java:208) >> at >> org.apache.hadoop.chukwa.rest.resource.ViewResource.getUserViewList(ViewResource.java:158) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at >> com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:168) >> at >> com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:70) >> at >> com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:279) >> at >> com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:136) >> at >> com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:86) >> at >> com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:136) >> at >> com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:74) >> at >> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1357) >> at >> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1289) >> at >> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1239) >> at >> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1229) >> at >> com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:420) >> at >> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:497) >> at >> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:684) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) >> at >> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) >> at >> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401) >> at >> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) >> at >> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) >> at >> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) >> at >> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450) >> at >> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230) >> at >> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114) >> at >> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) >> at org.mortbay.jetty.Server.handle(Server.java:326) >> at >> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) >> at >> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928) >> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549) >> at >> org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) >> at >> org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) >> at >> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) >> at >> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) >> Caused by: java.io.IOException: Broken pipe >> ... ... >> >> >> On Sat, Feb 2, 2013 at 10:29 PM, Eric Yang <[email protected]> wrote: >> >>> Yes, if the hadoop/hbase/zookeeper jar files are packaged in hicc.war, >>> then you should replace those too. But I am not sure if that was the >>> source of the problem. Can you show more of the stack trace to determine >>> the problem. This looks like a configuration property is missing. I am >>> not sure if it is hdfs, hbase, or zookeeper related. >>> >>> regards, >>> Eric >>> >>> >>> On Sat, Feb 2, 2013 at 10:50 AM, Farrokh Shahriari < >>> [email protected]> wrote: >>> >>>> Yeah,you were right,I should've update zookeeper.jar. >>>> Now there is another probelm,when I've run chukwa hicc,I've got this >>>> error : >>>> >>>> java.lang.IllegalArgumentException: Not a host: port pair: >>>> >>>> I read in a place that the hbase jar files should be updated ( I copied >>>> my hbase jar files to share/chukwa/lib/ ),but still have problem, should I >>>> change the inside of hicc.war too ? >>>> >>>> Tnx >>>> >>>> >>>> On Sat, Feb 2, 2013 at 9:13 PM, Eric Yang <[email protected]> wrote: >>>> >>>>> Make sure you also update HBase jar file and ZooKeeper jar files to >>>>> your versions. >>>>> >>>>> regards, >>>>> Eric >>>>> >>>>> >>>>> On Fri, Feb 1, 2013 at 9:08 PM, Farrokh Shahriari < >>>>> [email protected]> wrote: >>>>> >>>>>> Tnx Eric, >>>>>> but my chukwa classpath is this : >>>>>> >>>>>> export CLASSPATH=${CLASSPATH}:${HBASE_CONF_DIR}:${HADOOP_CONF_DIR} >>>>>> export HBASE_CONF_DIR="${HBASE_CONF_DIR}" >>>>>> export HADOOP_CONF_DIR="/etc/hadoop/conf/" >>>>>> >>>>>> And I've deleted the hadoop-core-1.0.0.jar,hadoop-test-1.0.0.jar from >>>>>> "chukwa-0.5.0/share/chukwa/lib/" as the manual said, but still I've got >>>>>> errors. >>>>>> >>>>>> >>>>>> On Fri, Feb 1, 2013 at 9:07 AM, Eric Yang <[email protected]> wrote: >>>>>> >>>>>>> Is there multiple version of hadoop jar files in the class path? >>>>>>> This error looks like hdfs client is from Hadoop 1.x. If there is >>>>>>> older >>>>>>> version of hadoop-core*.jar file, it can generate this error. >>>>>>> >>>>>>> regards, >>>>>>> Eric >>>>>>> >>>>>>> >>>>>>> On Tue, Jan 29, 2013 at 11:24 PM, Farrokh Shahriari < >>>>>>> [email protected]> wrote: >>>>>>> >>>>>>>> Hi there, >>>>>>>> I downloaded & installed chuckwa 0.5 on hadoop version 2 (cdh >>>>>>>> 4.0.0).But when collector runs,it has showed this error : >>>>>>>> Server IPC version 7 cannot communicate with client version 4 >>>>>>>> >>>>>>>> I copied lib from /user/lib/hadoop/*.jar & >>>>>>>> /user/lib/hadoop-hdfs/*.jar, but couldn't get result. >>>>>>>> >>>>>>>> I'd be glad if someone can help me. >>>>>>>> Tnx >>>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >> >
