Java Log Monitoring script

Please refer this first-To Understand the flow of script.

#!/bin/bash
dt=`date +%r`
logFile="/u01/monitor/batchcheck.log"
cd /u01/monitor/

checkLogResult=`sh check_log -F /u01/java_abc/apache-tomcat-5.5.31/applications/logs/java_abc.log -O /u01/monitor/java_abc.log.old  -q "ORA|java.lang.RuntimeException: Couldn't get the connection"`

if [ $? -eq 0 ]
then
        echo -ne "[ $dt ] Pattern not found. Controller.log looks [   OK   ]\n" >> $logFile
        exit 0
else
        echo "[ $dt ]Oops! DB Connection error occured..." >>  $logFile
        echo "$checkLogResult" >>  $logFile
        echo "Checking db connection.." >>  $logFile
        ssh oracleuser@DBSERVER 'sh /home/oracle/scripts/dbMonitor'
        if [ $? -eq 0 ]
        then
                echo -ne "[ $dt ] dbCheck says, DB connection looks [ OK ]\n" >> $logFile
                echo -ne "Restarting JAVA APPS ...\n" >> $logFile
                sh /u01/monitor/java_app_restart
                echo -ne "JAVA Apps restarted.You must have received email notification for same.\n" >> $logFile
                exit 0
        else
                echo -ne "[ $dt ] \t dbCheck says, DB connection looks [ NOT OK ]\n" >> $logFile
                echo "Retrying in 5 sec..."  >> $logFile
                sleep 5
                ssh oracleuser@DBSERVER 'sh /home/oracle/scripts/dbMonitor'
                if [ $? -eq 0 ]
                then
                        echo -ne "[ $dt ] dbCheck says, DB connection looks [ OK ]\n" >> $logFile
                        echo -ne "Restarting JAVA APPS ...\n" >> $logFile
                        sh /u01/monitor/java_app_restart
                        echo -ne "JAVA Apps restarted.You must have received email notification for same.\n" >> $logFile
                        exit 0
                else
                        echo -ne "[ $dt ] \t dbCheck says, DB connection looks [ NOT OK ]\n" >> $logFile
                        echo "Retrying in 10 sec..."  >> $logFile
                        sleep 10
                        ssh oracleuser@DBSERVER 'sh /home/oracle/scripts/dbMonitor'
                        if [ $? -eq 0 ]
                        then
                                echo -ne "[ $dt ] dbCheck says, DB connection looks [ OK ]\n" >> $logFile
                                echo -ne "Restarting JAVA APPS ...\n" >> $logFile
                                sh /u01/monitor/java_app_restart
                                echo -ne "JAVA Apps restarted.You must have received email notification for same.\n" >> $logFile
                                exit 0
                        else
                                echo -ne "[ $dt ] \t dbCheck says, DB connection looks [ NOT OK ]\n" >> $logFile
                                echo "Retrying in 15 sec..."  >> $logFile
                                sleep 15
                                ssh oracleuser@DBSERVER 'sh /home/oracle/scripts/dbMonitor'
                                if [ $? -eq 0 ]
                                then
                                        echo -ne "[ $dt ] dbCheck says, DB connection looks [ OK ]\n" >> $logFile
                                        echo -ne "Restarting JAVA APPS ...\n" >> $logFile
                                        sh /u01/monitor/java_app_restart
                                        echo -ne "JAVA Apps restarted.You must have received email notification for same.\n" >> $logFile
                                       exit 0
                                else
                                        echo -ne "[ $dt ] \t dbCheck says, DB connection looks [ NOT OK ]\n" >> $logFile
                                        echo -ne "We have a serious problem with db...Contact DBA\nSending email notification...\n" >> $logFile
                                        sh /u01/monitor/CriticleEmail.sh
                                        echo -ne "Email notification sent.\n" >> $logFile
                                        exit 1
                                fi
                        fi
                fi
        fi


fi
exit 0