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    windows下直接点击startup.bat启动tomcat服务示例代码
    在XP上明明已经安装了JDK1.5并设置好了JAVA_HOME,可偏偏Tomcat在启动过程中找不到。

    报错信息如下:Neither the JAVA_HOME nor the JRE_HOME environment variable is defined At least one of these environment variable is needed to run this program;提示找不到java_home各jre_home路径,何解?

    原因不知道了,下面来看解决办法:

    1、分析startup.bat启动脚本:发现其调用了catalina.bat,而catalina.bat调用了setclasspath.bat

    2、在setclasspath.bat的头部定义了JAVA_HOME和JRE_HOME的值,那么在这里手动设置JAVA_HOME变量
    复制代码 代码如下:

    rem

    rem Set CLASSPATH and Java options

    rem

    rem $Id: setclasspath.bat 505241 2007-02-09 10:22:58Z jfclere $

    rem

    set JAVA_HOME=C:\Program Files\Java\jdk1.5.0_05

    set JRE_HOME=C:\Program Files\Java\jre1.5.0_05

    rem Make sure prerequisite environment variables are set

    if not "%JAVA_HOME%" == "" goto gotJdkHome

    if not "%JRE_HOME%" == "" goto gotJreHome

    echo Neither the JAVA_HOME nor the JRE_HOME environment variable is defined

    echo At least one of these environment variable is needed to run this program

    goto exit

    :gotJreHome

    if not exist "%JRE_HOME%\bin\java.exe" goto noJavaHome

    if not exist "%JRE_HOME%\bin\javaw.exe" goto noJavaHome

    if not ""%1"" == ""debug"" goto okJavaHome

    echo JAVA_HOME should point to a JDK in order to run in debug mode.

    goto exit

    :gotJdkHome

    if not exist "%JAVA_HOME%\bin\java.exe" goto noJavaHome

    if not exist "%JAVA_HOME%\bin\javaw.exe" goto noJavaHome

    if not exist "%JAVA_HOME%\bin\jdb.exe" goto noJavaHome

    if not exist "%JAVA_HOME%\bin\javac.exe" goto noJavaHome

    if not "%JRE_HOME%" == "" goto okJavaHome

    set JRE_HOME=%JAVA_HOME%

    goto okJavaHome

    :noJavaHome

    echo The JAVA_HOME environment variable is not defined correctly

    echo This environment variable is needed to run this program

    echo NB: JAVA_HOME should point to a JDK not a JRE

    goto exit

    :okJavaHome

    if not "?SEDIR%" == "" goto gotBasedir

    echo The BASEDIR environment variable is not defined

    echo This environment variable is needed to run this program

    goto exit

    :gotBasedir

    if exist "?SEDIR%\bin\setclasspath.bat" goto okBasedir

    echo The BASEDIR environment variable is not defined correctly

    echo This environment variable is needed to run this program

    goto exit

    :okBasedir

    rem Set the default -Djava.endorsed.dirs argument

    set JAVA_ENDORSED_DIRS=?SEDIR%\endorsed

    rem Set standard CLASSPATH

    rem Note that there are no quotes as we do not want to introduce random

    rem quotes into the CLASSPATH

    if not exist "%JAVA_HOME%\bin\tools.jar" goto noJavac

    set CLASSPATH=%JAVA_HOME%\lib\tools.jar

    :noJavac

    rem Set standard command for invoking Java.

    rem Note that NT requires a window name argument when using start.

    rem Also note the quoting as JAVA_HOME may contain spaces.

    set _RUNJAVA="%JRE_HOME%\bin\java"

    set _RUNJAVAW="%JRE_HOME%\bin\javaw"

    set _RUNJDB="%JAVA_HOME%\bin\jdb"

    set _RUNJAVAC="%JAVA_HOME%\bin\javac"

    goto end

    :exit

    exit /b 1

    :end

    3、重启tomcat,敲入http://localhost:8080验证,问题解决。

    tomcat5需要jdk1.6做支撑,jdk1.5不能够。
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    windows下直接点击startup.bat启动tomcat服务示例代码 windows,下,直接,点击,startup.bat,