本文介绍了在Ubuntu 14.04阿帕奇HAMA安装错误的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我想安装和使用的整个过程中使用端口号54310的HAMA安装指南运行哈马，但是当我要运行一些HAMA例如它给了我一个错误。即尝试连接到服务器：localhost / 127.0.0.1:40000
这是我的滨site.xml的
＆LT;结构＆gt;
＆LT;性＆gt;
＆LT;名称＆gt;＆bsp.master.address LT; /名称＆gt;
＆LT; VALUE＆GT;本地主机＆LT; /值＆GT;
＆LT;描述＆gt;在BSP主服务器的地址。无论是
字面上的本土或主机[：端口（其中host是一个名称或
IP地址），用于分布式模式。
＆LT; /描述＆GT;
＆LT; /性＆gt;
＆LT;性＆gt;
＆LT;名称＆gt;＆bsp.system.dir LT; /名称＆gt;
＆LT; VALUE＆GT;的/ tmp /滨hduser / BSP /系统＆LT; /值＆GT;
＆LT;描述＆gt;在共享目录中存储的BSP控制文件。
＆LT; /描述＆GT;
＆LT; /性＆gt;
＆LT;性＆gt;
＆LT;名称＆gt;＆bsp.local.dir LT; /名称＆gt;
＆LT; VALUE＆GT;的/ tmp /滨hduser / BSP /本地和LT; /值＆GT;
＆LT;描述＆gt;对颞存储本地目录和LT; /描述＆GT;
＆LT; /性＆gt;
＆LT;性＆gt;
＆LT;名称＆gt;＆hama.tmp.dir LT; /名称＆gt;
＆LT; VALUE＆GT;的/ tmp /滨hduser＆LT; /值＆GT;
＆LT;描述方式＆gt;在本地文件系统的临时目录和LT; /描述＆GT;
＆LT; /性＆gt;
＆LT;性＆gt;
＆LT;名称＆gt;＆fs.default.name LT; /名称＆gt;
＆LT; VALUE＆GT; HDFS：//本地主机：54310＆LT; /值＆GT;
＆LT;描述＆GT;
默认的文件系统的名称。无论是文字字符串
本地或主机：端口HDFS。
＆LT; /描述＆GT;
＆LT; /性＆gt;
＆LT; /结构＆gt;
hduser@ubuntu:/opt/hama$ /opt/hama/bin/hama jar hama-examples-0.6.4.jar pi
14/05/28 05:50:57 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:40000. Already tried 0 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
14/05/28 05:50:58 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:40000. Already tried 1 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
14/05/28 05:50:59 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:40000. Already tried 2 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
14/05/28 05:51:00 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:40000. Already tried 3 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
14/05/28 05:51:01 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:40000. Already tried 4 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
14/05/28 05:51:02 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:40000. Already tried 5 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
14/05/28 05:51:03 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:40000. Already tried 6 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
14/05/28 05:51:04 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:40000. Already tried 7 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
14/05/28 05:51:05 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:40000. Already tried 8 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
14/05/28 05:51:06 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:40000. Already tried 9 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
java.net.ConnectException: Call to localhost/127.0.0.1:40000 failed on connection exception: java.net.ConnectException: Connection refused
at org.apache.hama.ipc.Client.wrapException(Client.java:937)
at org.apache.hama.ipc.Client.call(Client.java:913)
at org.apache.hama.ipc.RPC$Invoker.invoke(RPC.java:238)
at com.sun.proxy.$Proxy1.getProtocolVersion(Unknown Source)
at org.apache.hama.ipc.RPC.checkVersion(RPC.java:434)
at org.apache.hama.ipc.RPC.getProxy(RPC.java:426)
at org.apache.hama.ipc.RPC.getProxy(RPC.java:403)
at org.apache.hama.ipc.RPC.getProxy(RPC.java:368)
at org.apache.hama.bsp.BSPJobClient.init(BSPJobClient.java:230)
at org.apache.hama.bsp.BSPJobClient.<init>(BSPJobClient.java:221)
at org.apache.hama.bsp.BSPJob.<init>(BSPJob.java:57)
at org.apache.hama.bsp.BSPJob.<init>(BSPJob.java:75)
at org.apache.hama.examples.PiEstimator.main(PiEstimator.java:119)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at org.apache.hama.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
at org.apache.hama.util.ProgramDriver.driver(ProgramDriver.java:139)
at org.apache.hama.examples.ExampleDriver.main(ExampleDriver.java:45)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at org.apache.hama.util.RunJar.main(RunJar.java:146)
Caused by: java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:712)
at org.apache.hama.util.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:204)
at org.apache.hama.util.BSPNetUtils.connect(BSPNetUtils.java:375)
at org.apache.hama.util.BSPNetUtils.connect(BSPNetUtils.java:347)
at org.apache.hama.ipc.Client$Connection.setupConnection(Client.java:364)
at org.apache.hama.ipc.Client$Connection.setupIOstreams(Client.java:408)
at org.apache.hama.ipc.Client$Connection.access$1600(Client.java:195)
at org.apache.hama.ipc.Client.getConnection(Client.java:1049)
at org.apache.hama.ipc.Client.call(Client.java:888)
... 23 more
解决方案
Hama is compiled for the hadoop 1.x , so don't use hadoop 2.x
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