监控tomcat，自动启动

tomcatID=`ps -ef |grep tomcat |grep -v 'grep'|awk '{print $2}'` 

tomcatCount=`ps -ef|grep tomcat |grep -v 'grep' |wc -l` 

 

 

startTomcat=/root/tomcat/apache-tomcat-7.0.64/bin/startup.sh 

tomcatCache=/root/tomcat/apache-tomcat-7.0.64/work 

 

 

http_code=200 

hostUrl=http://localhost:8080/xxxx/order/xxxxr.json 

 

 

 

 

if [ $tomcatCount -gt 0 ] 

then 

statusCode=$(curl -o /dev/null -I -s -w "${http_code}" "${hostUrl}") 

echo $statusCode 

if [ $statusCode -eq "200" ];then 

echo "server is OK." 

else 

echo "服务不可用，重新启动服务" 

kill -9 $tomcatID # 杀掉原tomcat进程 

sleep 3 

rm -rf $tomcatCache # 

$startTomcat 

fi 

else 

echo "进程不存在，重新启动服务" 

rm -rf $tomcatCache 

$startTomcat >>/tmp/error.log 

fi