java应用程序启动脚本

JAVA_HOME=“/usr/java/jdk1.6.0_27”
RUNNING_USER=“root”
APP_HOME=“/usr/local/smgw/SMGW”
APP_MAINCLASS=“cn.poweru.smgw.start.SMSGMain”
echo “$APP_HOME”
echo /lib/smgw_enc.jar
for i in “$APP_HOME”/lib/*.jar; do

    CLASSPATH="$CLASSPATH":"$i"

done

JAVA_OPTS=“-Xms512m -Xmx512m -Xmn256m -Djava.awt.headless=true -XX:MaxPermSize=128m”
psid=0
checkpid() {
javaps=$JAVA_HOME/bin/jps -l | grep $APP_MAINCLASS
if [ -n “$javaps” ]; then

  psid=`echo $javaps | awk '{print $1}'`

else

  psid=0

fi
}
start() {
checkpid

if [ $psid -ne 0 ]; then

  echo "================================"
  echo "INFO: $APP_MAINCLASS already started! (pid=$psid)"
  echo "================================"

else

  echo -n "Starting $APP_MAINCLASS ..."
  JAVA_CMD="nohup $JAVA_HOME/bin/java $JAVA_OPTS -classpath $CLASSPATH $APP_MAINCLASS >/dev/null >&1 &"
  su - $RUNNING_USER -c "$JAVA_CMD"
  checkpid
  if [ $psid -ne 0 ]; then
     echo "Start $APP_MAINCLASS $(pid=$psid) [OK]"
  else
     echo "Start $APP_MAINCLASS [Failed]"
  fi

fi
}
stop() {
checkpid

if [ $psid -ne 0 ]; then

  echo -n "Stopping $APP_MAINCLASS ...(pid=$psid) "
  su - $RUNNING_USER -c "kill -9 $psid"
  if [ $? -eq 0 ]; then
     echo "[OK]"
  else
     echo "[Failed]"
  fi

  checkpid
  if [ $psid -ne 0 ]; then
     stop
  fi

else

  echo "================================"
  echo "warn: $APP_MAINCLASS is not running"
  echo "================================"

fi
}
status() {
checkpid

if [ $psid -ne 0 ]; then

  echo "$APP_MAINCLASS is running! (pid=$psid)"

else

  echo "$APP_MAINCLASS is not running"

fi
}
info() {
echo “System Information:”
echo “”
echo head -n 1 /etc/issue
echo uname -a
echo
echo “JAVA_HOME=$JAVA_HOME”
echo $JAVA_HOME/bin/java -version
echo
echo “APP_HOME=$APP_HOME”
echo “APP_MAINCLASS=$APP_MAINCLASS”
echo “”
}
case “$1” in
'start')
start
;;
'stop')
stop
;;
'restart')
stop
start
;;
'status')
status
;;
'info')
info
;;
*)
echo “Usage: $0 {start|stop|restart|status|info}”
esac