裝了eclipse連接hadoop的插件，設定了mapreduce location，eclipse無法連接到集群的檔案系統，錯誤日志如下：
!SESSION 2015-04-15 16:11:28.767 -----------------------------------------------
eclipse.buildId=4.4.2.M20150204-1700
java.version=1.8.0_40
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=zh_CN
Framework arguments: -product org.eclipse.epp.package.jee.product
Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.jee.product
!ENTRY org.eclipse.egit.ui 2 0 2015-04-15 16:11:36.781
!MESSAGE Warning: EGit couldn't detect the installation path "gitPrefix" of native Git. Hence EGit can't respect system level
Git settings which might be configured in ${gitPrefix}/etc/gitconfig under the native Git installation directory.
The most important of these settings is core.autocrlf. Git for Windows by default sets this parameter to true in
this system level configuration. The Git installation location can be configured on the
Team > Git > Configuration preference page's 'System Settings' tab.
This warning can be switched off on the Team > Git > Confirmations and Warnings preference page.
!ENTRY org.eclipse.egit.ui 2 0 2015-04-15 16:11:36.786
!MESSAGE Warning: The environment variable HOME is not set. The following directory will be used to store the Git
user global configuration and to define the default location to store repositories: 'C:\Users\lumi'. If this is
not correct please set the HOME environment variable and restart Eclipse. Otherwise Git for Windows and
EGit might behave differently since they see different configuration options.
This warning can be switched off on the Team > Git > Confirmations and Warnings preference page.
!SESSION 2015-04-15 16:45:24.478 -----------------------------------------------
eclipse.buildId=4.4.2.M20150204-1700
java.version=1.8.0_40
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=zh_CN
Framework arguments: -product org.eclipse.epp.package.jee.product
Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.jee.product
!ENTRY org.eclipse.egit.ui 2 0 2015-04-15 16:45:33.767
!MESSAGE Warning: EGit couldn't detect the installation path "gitPrefix" of native Git. Hence EGit can't respect system level
Git settings which might be configured in ${gitPrefix}/etc/gitconfig under the native Git installation directory.
The most important of these settings is core.autocrlf. Git for Windows by default sets this parameter to true in
this system level configuration. The Git installation location can be configured on the
Team > Git > Configuration preference page's 'System Settings' tab.
This warning can be switched off on the Team > Git > Confirmations and Warnings preference page.
!ENTRY org.eclipse.egit.ui 2 0 2015-04-15 16:45:33.810
!MESSAGE Warning: The environment variable HOME is not set. The following directory will be used to store the Git
user global configuration and to define the default location to store repositories: 'C:\Users\lumi'. If this is
not correct please set the HOME environment variable and restart Eclipse. Otherwise Git for Windows and
EGit might behave differently since they see different configuration options.
This warning can be switched off on the Team > Git > Confirmations and Warnings preference page.
!ENTRY org.apache.hadoop.eclipse 4 0 2015-04-15 16:46:55.711
!MESSAGE Cannot connect to the Map/Reduce location: wintohadoop
!STACK 0
java.io.IOException: Call to /192.168.0.69:9001 failed on local exception: java.io.EOFException
at org.apache.hadoop.ipc.Client.wrapException(Client.java:774)
at org.apache.hadoop.ipc.Client.call(Client.java:742)
at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
at org.apache.hadoop.mapred.$Proxy18.getProtocolVersion(Unknown Source)
at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:359)
at org.apache.hadoop.mapred.JobClient.createRPCProxy(JobClient.java:429)
at org.apache.hadoop.mapred.JobClient.init(JobClient.java:423)
at org.apache.hadoop.mapred.JobClient.<init>(JobClient.java:410)
at org.apache.hadoop.eclipse.server.HadoopServer.getJobClient(HadoopServer.java:473)
at org.apache.hadoop.eclipse.server.HadoopServer$LocationStatusUpdater.run(HadoopServer.java:102)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
Caused by: java.io.EOFException
at java.io.DataInputStream.readInt(Unknown Source)
at org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:501)
at org.apache.hadoop.ipc.Client$Connection.run(Client.java:446)
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