SprngBoot应用在linux作为服务启动

最新推荐文章于 2024-02-05 15:44:43 发布

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#Spring Boot 启动

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本文详细介绍了如何将SpringBoot应用部署为Linux服务，包括编写init.d脚本、设置权限、开机自启等步骤，并提供了常见问题解决方案。

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1.服务名和jar包名都为application
/etc/init.d application
application服务内容:
###############################
#!/bin/bash
# chkconfig: 2345 10 90
#服务必须在运行级2，3，4，5下被启动或关闭，启动的优先级是90，关闭的优先级是10。
# description: Start and Stop application
. /etc/init.d/functions
SERVICE_NAME="application"
RETVAL=0
PID=-1
PIDFILE=/var/run/${SERVICE_NAME}.PID

start() {
# 首先检查PID文件是否已存在
if [ -f ${PIDFILE} ]; then
    echo "PID file ${PIDFILE} already exists, please stop the service !"
    exit
fi
echo "Starting service ${SERVICE_NAME} ..."
# >/dev/null 2>&1 表示不输出stdout和stderr
# 最后一个 & 表示整个命令在后台执行
cd "/home/topideal/apps/tms/application"
java -Djava.security.egd=file:/dev/./urandom -jar application.jar --spring.cloud.config.profile=dev --spring.cloud.config.label=test >/dev/null 2>&1 &
PID=$! # 获取本shell启动的最后一个后台程序的进程号（PID）
if [ -z ${PID} ]; then # 检查有没有获取到pid
    echo "Failed to get the process id, exit!"
    exit
else
    echo "Starting successfully, whose pid is ${PID}"
fi
touch $PIDFILE
echo ${PID} > ${PIDFILE}
}
stop() {
if [ -f $PIDFILE ]; then # 检查PIDFILE是否存在
    PID=`cat ${PIDFILE}`
    if [ -z $PID ]; then # 检查PID是否存在于PIDFILE中
      echo "PIDFILE $PIDFILE is empty !"
      exit
    fi
    # 检查该进程是否存在
    if [ -z "`ps axf | grep $PID | grep -v grep`" ]; then
      echo "Process dead but pidfile exists!"
      exit
    else
      kill -9 $PID
      echo "Stopping service successfully , whose pid is $PID"
      rm -f $PIDFILE
    fi
else
    echo "File $PIDFILE does NOT exist!"
fi
}
restart() {
stop
start
}
status() {
# 检查pid file是否存在
if [ -f $PIDFILE ]; then
    PID=`cat $PIDFILE`
    # 检查pid file是否存在pid
    if [ -z $PID ] ; then
      echo "No effective pid but pidfile exists!"
    else
      # 检查pid对应的进程是否还存在
      if [ -z "`ps axf | grep $PID | grep -v grep`" ]; then
        echo "Process dead but pidfile exist"
      else
        echo "Running"
      fi
    fi
else
    echo "Service not running"
fi
}
case "$1" in
start)
    start
    ;;
stop)
    stop
    ;;
restart)
    restart
    ;;
status)
    status
    ;;
*)
    echo "Usage: application {start|stop|restart|status}"
    ;;
esac
###############################
2.授权
chmod 777 application
#开机启动需要额外配置 chkconfig --add application;chkconfig application on/off
3.开启服务
service application start
# systemctl start/restart/stop/status application(!!!注意观察打印日志是否报错：如找不到文件)
4.红色变绿色
chmod +x application.jar