用playbooks脚本部署kafka-manager,当重新启动kafka-manager时,总会报如下错误:This application is already running (Or delete /home/vmware/
kafka-manager-master/target/universal/kafka-manager-1.3.0.7/RUNNING_PID file).
手动kill掉kafka-mamager进程,删除RUNNING_PID文件后虚拟机会自动再生成RUNNING_PID
文件。原因及解决方法可参考kafka-manager PID文件存在导致无法重启