EclipseHadoop插件问题(调用localhost/127.0.0.1:50070)有人能给我这个问题的解决方案吗?
问题:EclipseHadoop插件问题(对localhost/127.0.0.1:50070的调用因本地异常而失败:java.io.EOFException)。有谁能给我解决这个问题的办法吗 我正在接受Cloudera培训教程。它使用Eclipse(Helios)3.6和Hadoop.0.20.2-cdh3u2版本 我已经下载了hadoop-eclipse-plugin-0.20.3-SNAPSHOT.jar,并在/home/training/eclipse/plugins/文件夹中复制了相同的文件EclipseHadoop插件问题(调用localhost/127.0.0.1:50070)有人能给我这个问题的解决方案吗?,hadoop,eclipse-plugin,hdfs,Hadoop,Eclipse Plugin,Hdfs,问题:EclipseHadoop插件问题(对localhost/127.0.0.1:50070的调用因本地异常而失败:java.io.EOFException)。有谁能给我解决这个问题的办法吗 我正在接受Cloudera培训教程。它使用Eclipse(Helios)3.6和Hadoop.0.20.2-cdh3u2版本 我已经下载了hadoop-eclipse-plugin-0.20.3-SNAPSHOT.jar,并在/home/training/eclipse/plugins/文件夹中复制了相同
Run --> Eclipse --> gone to File (which is in Menu bar) --> New --> other
从其他选定项目中选择MapReduce项目。我选择了指定Hadoop库位置。并指定位置为“/usr/lib/hadoop”。
在这个位置,我有以下文件
bin hadoop-examples-0.20.2-cdh3u2.jar
build.xml hadoop-examples.jar
CHANGES.txt hadoop-test-0.20.2-cdh3u2.jar
conf hadoop-test.jar
contrib hadoop-tools-0.20.2-cdh3u2.jar
example-confs hadoop-tools.jar
hadoop-0.20.2-cdh3u2-ant.jar ivy
hadoop-0.20.2-cdh3u2-core.jar ivy.xml
hadoop-0.20.2-cdh3u2-examples.jar lib
hadoop-0.20.2-cdh3u2-test.jar LICENSE.txt
hadoop-0.20.2-cdh3u2-tools.jar logs
hadoop-ant-0.20.2-cdh3u2.jar NOTICE.txt
hadoop-ant.jar pids
hadoop-core-0.20.2-cdh3u2.jar README.txt
hadoop-core.jar webapps
将Mpareduce项目命名为“myhadoop”,并单击finish按钮。
我在DFS位置按钮上得到了Mapreduce按钮,但不是hirearchy
去检查我的dfs和映射端口
我的core-site.xml是
<configuration>
<property>
<name>fs.default.name</name>
<value>hdfs://localhost:8020</value>
</property>
同时,我选择使用M/R主机
我已经运行了cloudera的示例wordcount程序,但它给了我以下问题。
请给我解决方案,我正在尝试从2天
Exception in thread "main" java.io.IOException: Call to localhost/127.0.0.1:50070 failed on local exception: java.io.EOFException
at org.apache.hadoop.ipc.Client.wrapException(Client.java:1142)
at org.apache.hadoop.ipc.Client.call(Client.java:1110)
at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:226)
at $Proxy0.getProtocolVersion(Unknown Source)
at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:398)
at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:384)
at org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:111)
at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:213)
at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:180)
at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:89)
at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1514)
at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:67)
at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:1548)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1530)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:228)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:111)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:212)
at org.apache.hadoop.fs.Path.getFileSystem(Path.java:183)
at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.addInputPath(FileInputFormat.java:368)
at WordCount.main(WordCount.java:65)
Caused by: java.io.EOFException
at java.io.DataInputStream.readInt(DataInputStream.java:375)
at org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:815)
at org.apache.hadoop.ipc.Client$Connection.run(Client.java:724)
线程“main”java.io.IOException中的异常:对localhost/127.0.0.1:50070的调用在本地异常上失败:java.io.eofeexception
位于org.apache.hadoop.ipc.Client.wrapException(Client.java:1142)
位于org.apache.hadoop.ipc.Client.call(Client.java:1110)
位于org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:226)
位于$Proxy0.getProtocolVersion(未知源)
位于org.apache.hadoop.ipc.RPC.getProxy(RPC.java:398)
位于org.apache.hadoop.ipc.RPC.getProxy(RPC.java:384)
位于org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:111)
位于org.apache.hadoop.hdfs.DFSClient.(DFSClient.java:213)
位于org.apache.hadoop.hdfs.DFSClient.(DFSClient.java:180)
位于org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:89)
位于org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1514)
位于org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:67)
位于org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:1548)
位于org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1530)
位于org.apache.hadoop.fs.FileSystem.get(FileSystem.java:228)
位于org.apache.hadoop.fs.FileSystem.get(FileSystem.java:111)
位于org.apache.hadoop.fs.FileSystem.get(FileSystem.java:212)
位于org.apache.hadoop.fs.Path.getFileSystem(Path.java:183)
位于org.apache.hadoop.mapreduce.lib.input.FileInputFormat.addInputPath(FileInputFormat.java:368)
在WordCount.main(WordCount.java:65)
原因:java.io.EOFException
位于java.io.DataInputStream.readInt(DataInputStream.java:375)
位于org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:815)
位于org.apache.hadoop.ipc.Client$Connection.run(Client.java:724)
尝试将配置中的计算机名称从localhost更改为主机名
Map/Reduce Master
Host: localhost
port 50021
DFS Master:
Host :localhost
Port:50020
Exception in thread "main" java.io.IOException: Call to localhost/127.0.0.1:50070 failed on local exception: java.io.EOFException
at org.apache.hadoop.ipc.Client.wrapException(Client.java:1142)
at org.apache.hadoop.ipc.Client.call(Client.java:1110)
at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:226)
at $Proxy0.getProtocolVersion(Unknown Source)
at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:398)
at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:384)
at org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:111)
at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:213)
at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:180)
at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:89)
at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1514)
at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:67)
at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:1548)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1530)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:228)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:111)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:212)
at org.apache.hadoop.fs.Path.getFileSystem(Path.java:183)
at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.addInputPath(FileInputFormat.java:368)
at WordCount.main(WordCount.java:65)
Caused by: java.io.EOFException
at java.io.DataInputStream.readInt(DataInputStream.java:375)
at org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:815)
at org.apache.hadoop.ipc.Client$Connection.run(Client.java:724)