jenkins 启动 java项目脚本,解决nohup非正常退出,jenkins黄色标记问题

[root@ecs-47e2-0001 lzht]#./start.sh xxx.jar
[root@ecs-47e2-0001 lzht]# cat start.sh
#!/bin/sh
cd /root/xxx/java
pid=`ps -ef |grep  $1 |grep java |awk '{print $2}'`
if [ -n "$pid" ]
then
   echo "kill -9 " $pid
   kill -9 $pid
fi
nohup java -jar $1.jar > nohup.out 2>&1  & sleep 1
timeout 20s tail -f nohup.out & sleep 1 
sleep 20
error=`grep Exception nohup.out |wc -l`
if [ $error -gt 0 ]
then
 exit -1
else
 exit 0
fi