linux启动java程序
Linux下shell通用脚本启动jar(微服务)
vim app_jar.sh
#!/bin/bash #source /etc/profile # Auth:Liucx # Please change these parameters according to your real env. # set Java Home: Remember that dolphin only supports JDK8! JAVA_HOME=/usr/java/jdk1.8.0_162 # application directory cd `dirname $0` APP_HOME=`pwd` APP_NAME="`cd ${APP_HOME} && find -name ‘*.jar‘ `" JAR_HOME=`pwd |awk -F"/" ‘{print $NF}‘` # Java JVM lunch parameters if [ x"$JAVA_MEM_OPTS" == x ];then JAVA_MEM_OPTS="-server -Xms512m -Xmx512m -Xmn128m -Xss256k -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:LargePageSizeInBytes=128m -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70 " fi # waiting timeout for starting, in seconds START_WAIT_TIMEOUT=30 psid=0 checkpid() { javaps=`$JAVA_HOME/bin/jps -l | grep "$JAR_HOME"` if [ -n "$javaps" ]; then psid=`echo $javaps | awk ‘{print $1}‘` else psid=0 fi } start() { checkpid if [ $psid -ne 0 ]; then echo "================================" echo "warn: $APP_NAME already started! (pid=$psid)" echo "================================" else echo -n "Starting $APP_NAME ..." #-Dspring.profiles.active=dev 指定环境 nohup $JAVA_HOME/bin/java -jar -Dspring.profiles.active=dev -DCONFIG_ENABLE=true $JAVA_MEM_OPTS ${APP_NAME} >${JAR_HOME}.log 2>&1 & checkpid if [ $psid -ne 0 ]; then echo "(pid=$psid) [OK]" else echo "[Failed]" fi fi } stop() { sleep 2 checkpid if [ $psid -ne 0 ]; then echo -n "Stopping $APP_NAME ...(pid=$psid) " #kill -9 $psid 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_NAME is not running" echo "================================" fi } status() { checkpid if [ $psid -ne 0 ]; then echo "$APP_NAME is running! (pid=$psid)" else echo "$APP_NAME 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=$APP_HOME" echo "APP_NAME=$APP_NAME" echo "****************************" } case "$1" in ‘start‘) start ;; ‘stop‘) stop ;; ‘restart‘) stop echo "You restart the application ..." start # ;; ‘status‘) status ;; ‘info‘) info ;; *) echo "Usage: $0 {start|stop|restart|status|info}" exit 1 esac
使用方式:
app_jar.sh start
app_jar.sh stop
app_jar.sh restart
注:该脚本只需要放在jar包当前目录下即可,脚本当前目录只允许存在一个jar包,如果多个会同时启动或重启
还需提醒下:启动的jar包名主体不能改变,防止脚本无效。目前正在公司生产环境使用中,希望您纠正,提出建议。