1，修改bin文件夹下面的catalina.bat文件，把如下内容
rem ----- Execute The Requested Command ---------------------------------------
echo Using CATALINA_BASE: %CATALINA_BASE%
echo Using CATALINA_HOME: %CATALINA_HOME%
echo Using CATALINA_TMPDIR: %CATALINA_TMPDIR%
echo Using JAVA_HOME: %JAVA_HOME%
修改为：
echo Using CATALINA_BASE: %CATALINA_BASE%
echo Using CATALINA_HOME: %CATALINA_HOME%
echo Using CATALINA_TMPDIR: %CATALINA_TMPDIR%
echo Using JAVA_HOME: D:/jdk -------这里的d:/jdk即为需要指定的目录---------
2，修改bin文件夹下面的setclasspath.bat文件，把如下内容：
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="%JAVA_HOME%/bin/java"
set _RUNJAVAW="%JAVA_HOME%/bin/javaw"
set _RUNJDB="%JAVA_HOME%/bin/jdb"
set _RUNJAVAC="%JAVA_HOME%/bin/javac"
修改为:
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="D:/jdk5/bin/java"
set _RUNJAVAW="D:/jdk5/bin/javaw"
set _RUNJDB="D:/jdk5/bin/jdb"
set _RUNJAVAC="D:/jdk5/bin/javac"