`
 #!/bin/sh

# 获取tomcat进程ID
TomcatID=$(ps -ef |grep tomcat |grep -w 'apache-tomcat-6.0.43'|grep -v 'grep'|awk '{print $2}')

# tomcat启动程序(这里注意tomcat实际安装的路径)
StartTomcat=/usr/local/apache-tomcat-6.0.43/bin/startup.sh
TomcatCache=/usr/local/apache-tomcat-6.0.43/work

#定义要监控的页面地址
#WebUrl=http://localhost:80

#日志输出

GetPageInfo=/tmp/TomcatMonitor.Info
TomcatMonitorLog=/tmp/TomcatMonitor.log

Monitor()
{
  echo "[info]开始监控tomcat...[$(date +'%F %H:%M:%S')]"
  if [ $TomcatID ];then  # 这里判断TOMCAT进程是否存在
    echo "[info]当前tomcat进程ID为:$TomcatID"
    # 检测是否启动成功(成功的话页面会返回状态"200")
    #TomcatServiceCode=$(curl -s -o $GetPageInfo -m 40--connect-timeout 30 $WebUrl )
    #if [ $TomcatServiceCode -eq 200 ];then
    #   echo "[info]页面返回码为$TomcatServiceCode,tomcat启动成功,测试页面正常......"
    #else
        #echo "[error]tomcat页面出错,请注意......状态码为$TomcatServiceCode,错误日志已输出到$GetPageInfo"
        #echo "[error]页面访问出错,开始重启tomcat"
        #kill -9 $TomcatID  # 杀掉原tomcat进程
        #sleep 3
        #rm -rf $TomcatCache # 清理tomcat缓存
        #$StartTomcat
  else
    echo "[error]tomcat进程不存在!tomcat开始自动重启..."
    echo "[info]$StartTomcat,请稍候......"
    rm -rf $TomcatCache
    $StartTomcat 
  fi
  echo "------------------------------"
}
Monitor>>$TomcatMonitorLog
`

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参考地址：
https://www.cnblogs.com/littlehb/p/7193000.html

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