Linux上java程序启动、关闭、重启shell脚本

最新推荐文章于 2025-05-27 17:46:25 发布

原创最新推荐文章于 2025-05-27 17:46:25 发布 · 1.5k 阅读

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CC 4.0 BY-SA版权

文章标签：

#linux #shell #java

本文介绍了一个用于管理Java应用程序的启动、停止及重启操作的Shell脚本。该脚本能够检查进程状态，避免重复启动，并确保应用运行在指定端口上。

server.sh

#!/bin/bash

cd `dirname $0`
BIN_DIR=`pwd`
cd ..
DEPLOY_DIR=`pwd`
JAR_NAME="manage.jar"
LOGS_FILE=`pwd`/logs/app-info.log
SERVER_NAME="manage"
SERVER_PORT=8889
JAVA_MEM_OPTS=" -server -Xms1024m -Xmx1024m -XX:PermSize=128m -XX:SurvivorRatio=2 -XX:+UseParallelGC "
PIDS=0
if [ "$1" = "start" ]; then
   PIDS=`ps --no-heading -C java -f --width 1000 | grep "$JAR_NAME" |awk '{print $2}'`
   if [ -n "$PIDS" ]; then
       echo "ERROR: The $SERVER_NAME already started!"
       echo "PID: $PIDS"
       exit 1
   fi
   if [ -n "$SERVER_PORT" ]; then
       SERVER_PORT_COUNT=`netstat -tln | grep $SERVER_PORT | wc -l`
       if [ $SERVER_PORT_COUNT -gt 0 ]; then
           echo "ERROR: The $SERVER_NAME port $SERVER_PORT already used!"
           exit 1
       fi
   fi
   echo -e "Starting the $SERVER_NAME ...\c"
   nohup java $JAVA_MEM_OPTS -jar $DEPLOY_DIR/$JAR_NAME >> $LOGS_FILE 2>&1 &
   COUNT=0
   while [ $COUNT -lt 1 ]; do
       echo -e ".\c"
       sleep 1
       if [ -n "$SERVER_PORT" ]; then
           COUNT=`echo status | nc 127.0.0.1 $SERVER_PORT -i 1 | grep -c OK`
       else
           COUNT=`ps --no-heading -C java -f --width 1000 | grep "$JAR_NAME" | awk '{print $2}' | wc -l`
       fi
       if [ $COUNT -gt 0 ]; then
           break
       fi
   done
   echo "OK!"
   PIDS=`ps --no-heading -C java -f --width 1000 | grep "$JAR_NAME" | awk '{print $2}'`
   echo "PID: $PIDS"
elif [ "$1" = "stop" ]; then
   PIDS=`ps --no-heading -C java -f --width 1000 | grep "$JAR_NAME" |awk '{print $2}'`
   if [ -z "$PIDS" ]; then
       echo "ERROR: The $SERVER_NAME does not started!"
       exit 1
   fi
   echo -e "Stopping the $SERVER_NAME ...\c"
   for PID in $PIDS ; do
       kill $PID > /dev/null 2>&1
   done

   COUNT=0
   while [ $COUNT -lt 1 ]; do
       echo -e ".\c"
       sleep 1
       COUNT=1
       for PID in $PIDS ; do
           PID_EXIST=`ps --no-heading -p $PID`
           if [ -n "$PID_EXIST" ]; then
               COUNT=0
               break
           fi
       done
   done
   echo "OK!"
   echo "PID: $PIDS"
elif [ "$1" = "restart" ]; then
   PIDS=`ps --no-heading -C java -f --width 1000 | grep "$JAR_NAME" |awk '{print $2}'`
   echo -e "Stopping the $SERVER_NAME ...\c"
   for PID in $PIDS ; do
       kill $PID > /dev/null 2>&1
   done

   COUNT=0
   while [ $COUNT -lt 1 ]; do
       echo -e ".\c"
       sleep 1
       COUNT=1
       for PID in $PIDS ; do
           PID_EXIST=`ps --no-heading -p $PID`
           if [ -n "$PID_EXIST" ]; then
               COUNT=0
               break
           fi
       done
   done
   echo -e "Starting the $SERVER_NAME ...\c"
   nohup java $JAVA_MEM_OPTS -jar $DEPLOY_DIR/$JAR_NAME >> $LOGS_FILE 2>&1 &
   COUNT=0
   while [ $COUNT -lt 1 ]; do
       echo -e ".\c"
       sleep 1
       if [ -n "$SERVER_PORT" ]; then
           COUNT=`echo status | nc 127.0.0.1 $SERVER_PORT -i 1 | grep -c OK`
       else
           COUNT=`ps --no-heading -C java -f --width 1000 | grep "$JAR_NAME" | awk '{print $2}' | wc -l`
       fi
       if [ $COUNT -gt 0 ]; then
           break
       fi
   done
   echo "OK!"
   PIDS=`ps --no-heading -C java -f --width 1000 | grep "$JAR_NAME" | awk '{print $2}'`
   echo "PID: $PIDS"
else
   echo "ERROR: Please input argument: start or stop or restart"
   exit 1
fi

启动命令：./server.sh start

关闭命令：./server.sh stop

重启命令：./server.sh restart