错误:无法找到或加载主类C：\ Files\Java\jdk1.7.0_25\jre\bin\java

Question

当我试图在cmd提示符下执行批处理文件时，它显示的是我的error.This是我的code..when，我尝试了它的显示无法找到或加载主类C：\ Files\Java\jdk1.7.0_25\jre\bin\java，你能解释为什么会出现这个错误吗？

    @echo off
    rem -------------------------------------------------------------------------
    rem Configuration wizard Script for Win32
    rem -------------------------------------------------------------------------

    if "%OS%" == "Windows_NT" goto winnt
    echo This script only works with NT-based versions of Windows.
    goto :eof

    :winnt

    set DIRNAME=.\
    if "%OS%" == "Windows_NT" set DIRNAME=%~dp0%
    set PROGNAME=configwizard.bat
    if "%OS%" == "Windows_NT" set PROGNAME=%~nx0%

    pushd %DIRNAME%..
    set DCM_HOME=%CD%
    popd

    set PROJECT_LIB=%DCM_HOME%\lib
    IF "%PATH%" == "" GOTO NOPATH
    :YESPATH
    @ECHO The PATH environment variable was detected.
    PATH=%PROJECT_LIB%;%PATH%
    GOTO END
    :NOPATH
    @ECHO The PATH environment variable was NOT detected.
    :END
    set JAVA_HOME=%JAVA_HOME%
    set JAVA_OPTS= -Dlog4j.configuration="file:%DCM_HOME%\conf\cw-log4j.properties"
    set JAVA_OPTS= %JAVA_OPTS% -Xms768m
    set JAVA_OPTS= %JAVA_OPTS% -Xmx1024m
    set JAVA_OPTS= %JAVA_OPTS% -XX:+HeapDumpOnOutOfMemoryError
    set CW_CLASSPATH="%PROJECT_LIB%\diffutils-1.2.1.jar;%PROJECT_LIB%\log4j-    1.2.16.jar;%PROJECT_LIB%\postgresql-9.3-1101.jdbc41.jar;%PROJECT_LIB%\super-csv-2.2.0.jar;%PROJECT_LIB%\util.jar;%PROJECT_LIB%\version-1.1.jar"
    set CW_CMD="%JAVA_HOME%\jre\bin\java" -cp %CW_CLASSPATH%  com.xyz.yyz.DatabaseComparator
     "Java" %CW_CMD%
      pause

提前感谢

Answer 1

除了我的评论，试着替换

"Java" %CW_CMD%

使用

call %CW_CMD%

因为您已经在java.exe中设置了CW_CMD路径，所以不需要第一个"Java"

Answer 2

您应该删除"Java“%CW_CMD%中的"Java”

%CW_CMD%
pause

您还应该删除行

set JAVA_HOME=%JAVA_HOME%

Answer 3

您在环境变量路径中提到了com.xyz.yyz.DatabaseComparator吗？如果没有，请在path变量中提到它，并尝试执行批处理文件。