hadoop（两台win7+cygwin+hadoop）启动后日志都没有错，运行一个程序出错了：

在daitanode和tasktracker的日志里都有下面同样的错误：WARN org.apache.hadoop.ipc.Server: Incorrect header or version mismatch from 127.0.0.1:55879 got version 47 expected version 3 在jobtracker日志出现下面的错误： 2014-06-09 13:09:14，872 IN... 在daitanode和tasktracker的日志里都有下面同样的错误：WARN org.apache.hadoop.ipc.Server: Incorrect header or version mismatch from 127.0.0.1:55879 got version 47 expected version 3
在jobtracker日志出现下面的错误：
2014-06-09 13:09:14，872 INFO org.apache.hadoop.ipc.Server: IPC Server listener on 8021: readAndProcess threw exception java.io.IOException: 远程主机强迫关闭了一个现有的连接。. Count of bytes read: 0
java.io.IOException: 远程主机强迫关闭了一个现有的连接。
at sun.nio.ch.SocketDispatcher.read0(Native Method)
at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:43)
at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
at sun.nio.ch.IOUtil.read(IOUtil.java:197)
at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:379)
at org.apache.hadoop.ipc.Server.channelRead(Server.java:1211)
at org.apache.hadoop.ipc.Server.access$2300(Server.java:77)
at org.apache.hadoop.ipc.Server$Connection.readAndProcess(Server.java:799)
at org.apache.hadoop.ipc.Server$Listener.doRead(Server.java:419)
at org.apache.hadoop.ipc.Server$Listener.run(Server.java:328)
2014-06-09 13:09:30，844 INFO org.apache.hadoop.conf.Configuration: found resource webapps/static/jobconf.xsl at file:/D:/bishe/hadoop/hadoop-0.20.2/webapps/static/jobconf.xsl