SpringBoot纵横的时代，Jar包的启动与停止挺常用了，推荐一个通用脚本

脚本源码

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#!/bin/bash
JDK_HOME="/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.242.b08-0.el7_7.x86_64/bin/java"
VM_OPTS="-Xms2048m -Xmx2048m"
SPB_OPTS="--spring.profiles.active=dev"
APP_LOCATION="/data/shell/app.jar"
APP_NAME="app"
PID_CMD="ps -ef |grep $APP_NAME |grep -v grep |awk '{print \$2}'"
start() {
 echo "=============================start=============================="
 PID=$(eval $PID_CMD)
 if [[ -n $PID ]]; then
    echo "$APP_NAME is already running,PID is $PID"
 else
    nohup $JDK_HOME $VM_OPTS -jar $APP_LOCATION $SPB_OPTS >/dev/null 2>\$1 &
    echo "nohup $JDK_HOME $VM_OPTS -jar $APP_LOCATION $SPB_OPTS >/dev/null 2>\$1 &"
    PID=$(eval $PID_CMD)
    if [[ -n $PID ]]; then
       echo "Start $APP_NAME successfully,PID is $PID"
    else
       echo "Failed to start $APP_NAME !!!"
    fi
 fi  
 echo "=============================start=============================="
}

stop() {
 echo "=============================stop=============================="
 PID=$(eval $PID_CMD)
 if [[ -n $PID ]]; then
    kill -15 $PID
    sleep 5
    PID=$(eval $PID_CMD)
    if [[ -n $PID ]]; then
      echo "Stop $APP_NAME failed by kill -15 $PID,begin to kill -9 $PID"
      kill -9 $PID
      sleep 2
      echo "Stop $APP_NAME successfully by kill -9 $PID"
    else 
      echo "Stop $APP_NAME successfully by kill -15 $PID"
    fi 
 else
    echo "$APP_NAME is not running!!!"
 fi
 echo "=============================stop=============================="
}

restart() {
  echo "=============================restart=============================="
  stop
  start
  echo "=============================restart=============================="
}

status() {
  echo "=============================status==============================" 
  PID=$(eval $PID_CMD)
  if [[ -n $PID ]]; then
       echo "$APP_NAME is running,PID is $PID"
  else
       echo "$APP_NAME is not running!!!"
  fi
  echo "=============================status=============================="
}

info() {
  echo "=============================info=============================="
  echo "APP_LOCATION: $APP_LOCATION"
  echo "APP_NAME: $APP_NAME"
  echo "JDK_HOME: $JDK_HOME"
  echo "VM_OPTS: $VM_OPTS"
  echo "SPB_OPTS: $SPB_OPTS"
  echo "=============================info=============================="
}

help() {
   echo "start: start server"
   echo "stop: shutdown server"
   echo "restart: restart server"
   echo "status: display status of server"
   echo "info: display info of server"
   echo "help: help info"
}

case $1 in
start)
    start
    ;;
stop)
    stop
    ;;
restart)
    restart
    ;;
status)
    status
    ;;
info)
    info
    ;;
help)
    help
    ;;
*)
    help
    ;;
esac
exit $?

说明

需要先修改bash脚本中定义的变量

  • JDK_HOME： JDK安装目录
  • VM_OPTS： Java vm参数
  • SPB_OPTS: 项目参数
  • APP_LOCATION: Jar包路径
  • APP_NAME：应用名，用于提示查找进程，一般为jar包名称

小技巧

vim粘贴时可以使用:set paste 命令解决自动对齐造成的脚本紊乱