shellスクリプトjavaプログラムの実行
11452 ワード
次のshellスクリプトでjavaプログラムを起動して停止します.
#!/bin/sh
###################################
#
# Java
###################################
#JDK
JAVA_HOME="/usr/local/jdk1.8.0_131"
# , , root
RUNNING_USER=lee
#Java (classes )
APP_HOME=/home/lee/Coding/cjava/2
# Java (main )
APP_MAINCLASS=huateng/hello
# classpath , lib jar
#CLASSPATH=$APP_HOME/classes
#for i in "$APP_HOME"/lib/*.jar; do
# CLASSPATH="$CLASSPATH":"$i"
#done
#java
JAVA_OPTS="-ms512m -mx512m -Xmn256m -Djava.awt.headless=true -XX:MaxPermSize=128m"
###################################
#( )
#
# :
# JDK JPS grep , pid
#jps l , java
# awk, pid ($1 ), Java ($2 )
###################################
# psid ( )
psid=0
checkpid() {
javaps=`ps -ef | grep $APP_MAINCLASS | grep -v "grep"`
if [ -n "$javaps" ]; then
psid=`echo $javaps | awk '{print $2}'`
else
psid=0
fi
}
###################################
#( )
#
# :
#1. checkpid , $psid
#2. ($psid 0),
#3. ,
#4. , checkpid
#5. 4 pid, [OK], [Failed]
# :echo -n ,
# : "nohup >/dev/null 2>&1 &"
###################################
start() {
checkpid
if [ $psid -ne 0 ]; then
echo "================================"
echo "warn: $APP_MAINCLASS already started! (pid=$psid)"
echo "================================"
else
echo -n "Starting $APP_MAINCLASS ..."
nohup $JAVA_HOME/bin/java $JAVA_OPTS $APP_MAINCLASS >/home/lee/Coding/cjava/2/out.log 2>&1 &
checkpid
if [ $psid -ne 0 ]; then
echo "(pid=$psid) [OK]"
else
echo "[Failed]"
fi
fi
}
###################################
#( )
#
# :
#1. checkpid , $psid
#2. ($psid 0), , ,
#3. kill -9 pid
#4. kill , : $?
#5. 4 $? 0, [OK], [Failed]
#6. java , , ( stop)。
# :echo -n ,
# : shell ,"$?"
###################################
stop() {
checkpid
if [ $psid -ne 0 ]; then
echo -n "Stopping $APP_MAINCLASS ...(pid=$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_MAINCLASS is not running"
echo "================================"
fi
}
###################################
#( )
#
# :
#1. checkpid , $psid
#2. ($psid 0), pid
#3. ,
###################################
status() {
checkpid
if [ $psid -ne 0 ]; then
echo "$APP_MAINCLASS is running! (pid=$psid)"
else
echo "$APP_MAINCLASS 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=$APP_HOME"
echo "APP_MAINCLASS=$APP_MAINCLASS"
echo "****************************"
}
###################################
# ($1),
# :{start|stop|restart|status|info}
# ,
###################################
case "$1" in
'start')
start
;;
'stop')
stop
;;
'restart')
stop
start
;;
'status')
status
;;
'info')
info
;;
*)
echo "Usage: $0 {start|stop|restart|status|info}"
exit 1
esac