问题描述
我按照视频搭建环境，但是在执行wordcount时遇到这个问题：[root@127hadoop-1.2.1]#bin/hadoopjarhadoop-examples-1.2.1.jarwordcountinout14/08/1721:23:19INFOipc.Client:Retryingconnecttoserver:192.168.30.131/192.168.30.131:9001.Alreadytried0time(s);retrypolicyisRetryUpToMaximumCountWithFixedSleep(maxRetries=10,sleepTime=1SECONDS)14/08/1721:23:20INFOipc.Client:Retryingconnecttoserver:192.168.30.131/192.168.30.131:9001.Alreadytried1time(s);retrypolicyisRetryUpToMaximumCountWithFixedSleep(maxRetries=10,sleepTime=1SECONDS)14/08/1721:23:21INFOipc.Client:Retryingconnecttoserver:192.168.30.131/192.168.30.131:9001.Alreadytried2time(s);retrypolicyisRetryUpToMaximumCountWithFixedSleep(maxRetries=10,sleepTime=1SECONDS)14/08/1721:23:22INFOipc.Client:Retryingconnecttoserver:192.168.30.131/192.168.30.131:9001.Alreadytried3time(s);retrypolicyisRetryUpToMaximumCountWithFixedSleep(maxRetries=10,sleepTime=1SECONDS)14/08/1721:23:23INFOipc.Client:Retryingconnecttoserver:192.168.30.131/192.168.30.131:9001.Alreadytried4time(s);retrypolicyisRetryUpToMaximumCountWithFixedSleep(maxRetries=10,sleepTime=1SECONDS)14/08/1721:23:24INFOipc.Client:Retryingconnecttoserver:192.168.30.131/192.168.30.131:9001.Alreadytried5time(s);retrypolicyisRetryUpToMaximumCountWithFixedSleep(maxRetries=10,sleepTime=1SECONDS)14/08/1721:23:25INFOipc.Client:Retryingconnecttoserver:192.168.30.131/192.168.30.131:9001.Alreadytried6time(s);retrypolicyisRetryUpToMaximumCountWithFixedSleep(maxRetries=10,sleepTime=1SECONDS)14/08/1721:23:26INFOipc.Client:Retryingconnecttoserver:192.168.30.131/192.168.30.131:9001.Alreadytried7time(s);retrypolicyisRetryUpToMaximumCountWithFixedSleep(maxRetries=10,sleepTime=1SECONDS)14/08/1721:23:27INFOipc.Client:Retryingconnecttoserver:192.168.30.131/192.168.30.131:9001.Alreadytried8time(s);retrypolicyisRetryUpToMaximumCountWithFixedSleep(maxRetries=10,sleepTime=1SECONDS)14/08/1721:23:28INFOipc.Client:Retryingconnecttoserver:192.168.30.131/192.168.30.131:9001.Alreadytried9time(s);retrypolicyisRetryUpToMaximumCountWithFixedSleep(maxRetries=10,sleepTime=1SECONDS)14/08/1721:23:28ERRORsecurity.UserGroupInformation:PriviledgedActionExceptionas:rootcause:java.net.ConnectException:Callto192.168.30.131/192.168.30.131:9001failedonconnectionexception:java.net.ConnectException:Connectionrefusedjava.net.ConnectException:Callto192.168.30.131/192.168.30.131:9001failedonconnectionexception:java.net.ConnectException:Connectionrefusedatorg.apache.hadoop.ipc.Client.wrapException(Client.java:1142)atorg.apache.hadoop.ipc.Client.call(Client.java:1118)atorg.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:229)atorg.apache.hadoop.mapred.$Proxy2.getProtocolVersion(UnknownSource)atsun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod)atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)atjava.lang.reflect.Method.invoke(Method.java:483)atorg.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:85)atorg.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:62)atorg.apache.hadoop.mapred.$Proxy2.getProtocolVersion(UnknownSource)atorg.apache.hadoop.ipc.RPC.checkVersion(RPC.java:422)atorg.apache.hadoop.mapred.JobClient.createProxy(JobClient.java:559)atorg.apache.hadoop.mapred.JobClient.init(JobClient.java:498)atorg.apache.hadoop.mapred.JobClient.<init>(JobClient.java:479)atorg.apache.hadoop.mapreduce.Job$1.run(Job.java:563)atjava.security.AccessController.doPrivileged(NativeMethod)atjavax.security.auth.Subject.doAs(Subject.java:422)atorg.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190)atorg.apache.hadoop.mapreduce.Job.connect(Job.java:561)atorg.apache.hadoop.mapreduce.Job.submit(Job.java:549)atorg.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:580)atorg.apache.hadoop.examples.WordCount.main(WordCount.java:82)atsun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod)atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)atjava.lang.reflect.Method.invoke(Method.java:483)atorg.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)atorg.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)atorg.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:64)atsun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod)atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)atjava.lang.reflect.Method.invoke(Method.java:483)atorg.apache.hadoop.util.RunJar.main(RunJar.java:160)Causedby:java.net.ConnectException:Connectionrefusedatsun.nio.ch.SocketChannelImpl.checkConnect(NativeMethod)atsun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:712)atorg.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)atorg.apache.hadoop.net.NetUtils.connect(NetUtils.java:511)atorg.apache.hadoop.net.NetUtils.connect(NetUtils.java:481)atorg.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:457)atorg.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:583)atorg.apache.hadoop.ipc.Client$Connection.access$2200(Client.java:205)atorg.apache.hadoop.ipc.Client.getConnection(Client.java:1249)atorg.apache.hadoop.ipc.Client.call(Client.java:1093)...33more我主机设置为192.168.30.131配置文件分别是：[root@127conf]#catcore-site.xml<?xmlversion="1.0"?><?xml-stylesheettype="text/xsl"href="configuration.xsl"?><!--Putsite-specificpropertyoverridesinthisfile.--><configuration><property><name>fs.default.name</name><value>hdfs://192.168.30.131:9000</value></property><property><name>hadoop.tmp.dir</name><value>/home/jichaow/hadoop</value></property></configuration>[root@127conf]#catmapred-site.xml<?xmlversion="1.0"?><?xml-stylesheettype="text/xsl"href="configuration.xsl"?><!--Putsite-specificpropertyoverridesinthisfile.--><configuration><property><name>mapred.job.tracker</name><value>192.168.30.131:9001</value></property></configuration>[root@127conf]#catmasters192.168.30.131[root@127conf]#catslaves192.168.30.133谁能帮我看看问题出在哪里？多谢