通过判断test.jsp页面的返回值，来确定tomcat状态，实现短信报警（要有飞信账号密码，可以给自己发短信）加入到系统任务中2分钟检查一次#vi /usr/local/sbin/checktom.sh

#!/bin/sh

PATH=/usr/local/jdk1.5.0_19/bin:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
JAVA_HOME=/usr/local/jdk1.5.0_19
CLASSPATH=.:/usr/local/jdk1.5.0_19/lib:/usr/local/jdk1.5.0_19/lib/tool.jar:/usr/local/jdk1.5.0_19/lib/dt.jar:
LANG=zh_CN.GB18030
export JAVA_HOME PATH CLASSPATH LANG

test -e "test.jsp"  && rm -f  test.jsp
test -e "wget-log"  && rm -f  wget-log

wget  -b "http://127.0.0.1/portal/test.jsp" > /dev/null 2>&1
sleep 2

tom=`cat test.jsp`
if
          [ "$tom" == "200" ] ;then
	  echo "`date +%d/%m/%Y:%H:%M:%S` - - tomcatserver is ok!"
          echo " "
          echo "-------------------------------------------------------------"
          exit 0
elif
          [ "$tom" != "200"  ] ;then
          sh /usr/local/tomcat5/bin/shutdown.sh
          sh /usr/local/tomcat5/bin/startup.sh
          echo "`date +%d/%m/%Y:%H:%M:%S` - - tomcatserver is down!restart is successful!"
          curl "http://sms.api.bz/fetion.php?username=150********&password=******&sendto=150********&message=tomcat服务器down机，重启成功！"
          echo " "
          echo "-------------------------------------------------------------"
fi

test.jsp代码

<%out.print("200");%>

#crontab -e

*/2 * * * * /usr/local/sbin/checktom.sh >> /var/log/tomcat.log