Neither the JAVA_HOME nor the JRE_HOME environment variable is defined At least one of these environ

tomcat启动服务

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

小伙子，来这你可来着了，不要信网上的，修改setclass文件

如果你的tomcat是从其他地方复制的 就重新下载tomcat，听我的！