pid=$(ps axw -eo pid,command | grep "org.apache.catalina.startup.Bootstrap" | grep "start" | awk '{print $1}')
if [ -z "$pid" ]; then
    echo "tomcat is not running"
else
    echo "tomcat is detected and the pid is $pid"
    kill -9 $pid
    if [ -z $? ];then
        echo " tomcat ($pid) is  killed ..."
    else
        echo "kill error ..." 
    fi
fi