[软件故障] Tomcat启动过程中找不到JAVA_HOME JRE_HOME的解决方法

现象：Windows10系统中运行Tomcat 7.0.107时提示：
D:\Soft\apache-tomcat-7.0.107\bin>startup.bat

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

解决：bin\setclasspath.bat中，rem Otherwise either JRE or JDK are fine上面添加：

1. set JAVA_HOME=D:\Program Files\Java\jdk1.8.0_121
   
2. set JRE_HOME=D:\Program Files\Java\jre1.8.0_121

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