Tomcat auto-recovery

tomcat_recovery.sh

#! /bin/bash

URL=http://localhost
LOGFILE=/root/scripts/mywebapp_recovery.log
TIMEOUT=5

response=`curl -m $TIMEOUT -s -o /dev/null -w "%{http_code}" $URL`
if [[ "$response" != 200 ]];then
    printf '[%(%d/%b/%Y:%H:%M:%S %z)T] Response code: %s\n' -1 "$response" >> $LOGFILE
    # Shutdown Tomcat
    /opt/liferay6100/tomcat-7.0.23/bin/shutdown.sh
    sleep 10
    # Still alive? Let's kill it properly
    killall java
    sleep 5
    # Well, sorry but now yes, you have to die
    killall -9 java
    # Start Tomcat
    /opt/liferay6100/tomcat-7.0.23/bin/startup.sh    
    printf '[%(%d/%b/%Y:%H:%M:%S %z)T] Mywebapp service restored: %s\n' -1 "$?" >> $LOGFILE
fi