相关脚本在下方
#!/bin/bash
#jar包文件路径及名称(目录按照各自配置)
APP_NAME=/home/alitest20200514.jar
#日志文件路径及名称(目录按照各自配置)
LOG_FILE=/home/monifashe.log
#查询进程,并杀掉当前jar/java程序
pid=ps -ef|grep $APP_NAME | grep -v grep | awk '{print $2}'
kill -9 $pid
echo "$pid进程终止成功"
sleep 2
#判断jar包文件是否存在,如果存在启动jar包,并时时查看启动日志
if test -e $APP_NAME
then
echo '文件存在,开始启动此程序...'
启动jar包,指向日志文件,2>&1 & 表示打开或指向同一个日志文件
nohup java -jar $APP_NAME > $LOG_FILE 2>&1 &
#实时查看启动日志(此处正在想办法启动成功后退出)
tail -f $LOG_FILE
#输出启动成功(上面的查看日志没有退出,所以执行不了,可以去掉)
#echo '$APP_NAME 启动成功...'
else
echo '$APP_NAME 文件不存在,请检查。'
fi
下方是java调用代码
/**
* 带返回结果的命令执行
* @return
*/
public static void execCmdWithResult() {
try {
String cmd = "java_start.sh";
// String command = cmd;
// //接收正常结果流
// ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
// //接收异常结果流
// ByteArrayOutputStream errorStream = new ByteArrayOutputStream();
// CommandLine commandline = CommandLine.parse(command);
// DefaultExecutor exec = new DefaultExecutor();
// exec.setExitValues(null);
// //设置一分钟超时
// ExecuteWatchdog watchdog = new ExecuteWatchdog(60*1000);
// exec.setWatchdog(watchdog);
// PumpStreamHandler streamHandler = new PumpStreamHandler(outputStream,errorStream);
// exec.setStreamHandler(streamHandler);
// exec.execute(commandline);
// //不同操作系统注意编码,否则结果乱码
// String out = outputStream.toString("utf-8");
// String error = errorStream.toString("utf-8");
ProcessBuilder pb = new ProcessBuilder("./"+cmd);
pb.directory(new File("/home/"));
int runningStatus = 0;
String s = null;
Process p = pb.start();
BufferedReader stdInput = new BufferedReader(new InputStreamReader(p.getInputStream()));
BufferedReader stdError = new BufferedReader(new InputStreamReader(p.getErrorStream()));
while ((s = stdInput.readLine()) != null) {
System.out.println("正常:" + s);
}
while ((s = stdError.readLine()) != null) {
System.out.println("不正常:" + s);
}
runningStatus = p.waitFor();
System.out.println("runningStatus:" + runningStatus);
} catch (Exception e) {
e.printStackTrace();
}
}