Cannot run program CreateProcess error=2

大家好请教个问题:java调用外部.bat文件时报错了; 在自己window7上不报错 在正式环境window server 2008 就报错HTTP Status 500 - Cannot run program "cmd.exe": CreateProcess error=2, ϵͳÕҲ»µ½ָ¶

type Exception report

message Cannot run program "cmd.exe": CreateProcess error=2, ϵͳÕҲ»µ½ָ¶

description The server encountered an internal error that prevented it from fulfilling this request.

exception

java.io.IOException: Cannot run program "cmd.exe": CreateProcess error=2, ϵͳÕҲ»µ½ָ¶
java.lang.ProcessBuilder.start(Unknown Source)
java.lang.Runtime.exec(Unknown Source)
java.lang.Runtime.exec(Unknown Source)
java.lang.Runtime.exec(Unknown Source)
com.atguigu.servlet.AServlet.doPost(AServlet.java:44)
javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause

java.io.IOException: CreateProcess error=2, ϵͳÕҲ»µ½ָ¶
java.lang.ProcessImpl.create(Native Method)
java.lang.ProcessImpl.(Unknown Source)
java.lang.ProcessImpl.start(Unknown Source)
java.lang.ProcessBuilder.start(Unknown Source)
java.lang.Runtime.exec(Unknown Source)
java.lang.Runtime.exec(Unknown Source)
java.lang.Runtime.exec(Unknown Source)
com.atguigu.servlet.AServlet.doPost(AServlet.java:44)
javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.62 logs.

http://stackoverflow.com/questions/19621838/createprocess-error-2-the-system-cannot-find-the-file-specified

你这个bat执行路径是什么，打印出来看看？怎么日志中显示乱码？导致路径不正确