我之前从未遇到过运行Tomcat的问题，我认为我没有改变任何东西。我已经包含了一些图片，表明事情似乎已经正确设置了。
D:\>echo %CATALINA_HOME%
D:\JavaEEstuff\apache-tomcat-8.0.30
D:\>echo %JRE_HOME%
D:\Java\jre1.8.0_102
D:\>echo %JAVA_HOME%
D:\Java\jdk102
D:\>%CATALINA_HOME%\bin\startup.bat
The JRE_HOME environment variable is not defined correct
This environment variable is needed to run this program
D:\>%CATALINA_HOME%\bin\catalina.bat start
The JRE_HOME environment variable is not defined correct
This environment variable is needed to run this program
