oozie 启动过程中--- Existing PID file found during start. Removing/clearing stale PID file.

如果oozie使用kill -9 暴力杀死了tomcat，再启动的时候，会出问题，需要删除tomcat的pid文件

彻底停止oozie的tomcat的进程，然后删除pid文件

rm -rf  /export/servers/oozie-4.1.0-cdh5.14.0/oozie-server/temp/oozie.pid

非正常停止服务启动报错为:

Existing PID file found during start. 

Removing/clearing stale PID file.

原文：https://www.cnblogs.com/roujiamo/p/10116013.html