Java Kill 进程使用 ProcessBuilder 启动

Question

我正在这样运行我的流程:

builder = new ProcessBuilder("/bin/bash", "-c", "./MessageGenerator | ./SimpleEchoServer");
process = builder.start();

然后 process.destroy() 或 forcouslyDestroy() 不起作用。是因为我用的是管道吗？我怎样才能杀死这些进程？

Answer 1

您还应该拆分管道命令。我写了一个小例子:

package com.company;

import java.io.*;

public class Main {

    public static void main(String[] args) throws IOException, InterruptedException {
        ProcessBuilder processBuilder;
        String line;
        processBuilder = new ProcessBuilder("/bin/bash", "-c", "ls -l", "|", "grep java");
        Process process = processBuilder.start();
        BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
        while ((line = reader.readLine()) != null) {
            System.out.println ("Stdout: " + line);
        }
        Thread.sleep(10000);
        process.destroy();
    }
}