text: #! /bin/sh
  ############################################
  #一键启动脚本
  ############################################
  echo "being start demo project, please wait a moment ... ..."
  if [ ! -n "$JAVA_HOME" ]; then
  	echo "[ERROR]************please make sure you have already install java 8 and set JAVA_HOME in your profile"
  	exit 1
  fi
  
  if [ ! -x "$JAVA_HOME/bin/java" ]; then
  	echo "[ERROR]************please make sure you can invoke the command $JAVA_HOME/bin/java"
  	exit 1
  fi
  jdk_version=`$JAVA_HOME/bin/java -version 2>&1`
  echo "[INFO]current jdk version check value is : $jdk_version"
  
  version_num=`echo $jdk_version | awk -F ' ' '{print $3}' | awk -F '_' '{print substr($1, 2, 3)}' | awk -F '.' '{print $2}'`
  if [ $version_num -lt 8 ]; then
  	echo "[ERROR]************please make sure current version number over than 1.8"
  	exit 1
  fi
  
  parentPath=$(dirname $(pwd))
  current_product_version=`cat ./version.txt>&1`
  demo_location=$parentPath/demo_home 
  echo "[INFO]************current product version is : $current_product_version"
  $JAVA_HOME/bin/java -cp  $demo_location/db/h2-1.3.175.jar org.h2.tools.Server -tcp -tcpAllowOthers -tcpPort 9999 >$demo_location/log/db.log &
  echo "[INFO]************db server start successfully"
  echo "[INFO]************init DB need a long time, please wait a moment please ... ... "
  sleep 10
  echo "[INFO]************successfully init db"
  echo "[INFO]************begin start fileserver"
  sleep 2
  $JAVA_HOME/bin/java -jar  $parentPath/lib/fileServer-$current_product_version.jar 9090 $demo_location > $demo_location/log/fileserver.log &
  sleep 2
  echo "[INFO]************fileserver start successfully"
  echo "[INFO]************begin start tesseract"
  $JAVA_HOME/bin/java -jar  $parentPath/lib/tesseract-$current_product_version.jar -Dserver.port=9191 > $demo_location/log/ter.log &
  sleep 5
  echo "[INFO]************tesseract started successfully"
  echo "[INFO]************begin start silkroad"
  $JAVA_HOME/bin/java -jar  $parentPath/lib/designer-$current_product_version.jar  > $demo_location/log/designer.log &
  sleep 60
  echo "[INFO]************silkroad started successfully"
  echo "[INFO]************Congratulation! you can using BI-Platform  with URL :[http://localhost:8090/silkroad/home.html ] and user [demo/demo] through Chrome Browser "
  exit 0
  