line 13: [ 0: unary operator expected
please use "sudo service tomcat stop|start|restart"
出现此错误，需要去编辑/etc/init/tomcat
然后把 U_UID= 改成 U_UID=0 就可以了
linux tomcat 用/etc/init.d/tomcat start启动报错
原文：http://www.cnblogs.com/xiaofeilee/p/6059346.html
