linux 启动jar包，校验是否已启动脚本

#!/bin/sh
 
export LANG="en_US.UTF-8"
 
export JAVA_HOME=/usr/local/java/jdk1.8.0_181
 
export PATH=$JAVA_HOME/bin:$PATH
 
export CLASSPATH=.:$JAVA_HOME/dt.jar:$JAVA_HOME/tools.jar
 
#java环境变量
 
 
 
jarDir="jar包所在目录"
 
jar="XXXX.jar"
 
logFile="/输出日志存放位置/out.log"
 
 
restart(){
 
cd ${2}
 
if [ ! -f ${1} ];then
 
echo "jar not exist" >> ${logFile}
 
return
 
fi
 
(nohup java -jar ${1} &)
 
 
}
 
 
 
check(){
 
count=$(ps -ef | grep ${1} | grep -v "grep")
 
if [ -n "${count}" ];then
 
# echo "`date` ${1} is running" >> ${logFile}
 
echo "`date` ${1} s running"
 
else
 
restart ${1} ${2}
 
echo "`date` ${1} is down. restartig" >> ${logFile}
 
# echo "`date` ${1} is down"
 
 
 
fi
 
}
 
check ${jar} ${jarDir}