如何使用Java获得chromedriver进程PID？

问题描述

我遇到了一个问题。有时，在我的JUnit测试运行时，命令webDriver.quit（）;是不是杀死chromedriver进程所以下一个测试无法启动。在这种情况下，我想添加一些可能在Linux上手动杀死进程的方法，但我无法弄清楚如何获得chromedriver的PID，所以我可以做类似的事情：
Runtime.getRuntime（）。exec（KILL） + PID）;

I've faced a problem. Sometimes, while my JUnit tests are running, command webDriver.quit(); isn't killing chromedriver process so the next test can't start. In that case I want to add some method which may kill process manually on Linux, but I can't figure out how to get PID of chromedriver so I can do something like:Runtime.getRuntime().exec(KILL + PID);

推荐答案

您可以使用pgrep找到PID然后将其删除：

You can find PIDs using pgrep and then kill it:

    private void killChromedriver() throws IOException, InterruptedException {
        String command = "pgrep chromedriver";
        Process process = Runtime.getRuntime().exec(command);
        BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream()));
        List<String> processIds = getProcessedIds (process, br);
        for (String pid: processIds) {
                Process p = Runtime.getRuntime().exec("kill -9 " + pid);
                p.waitFor();
                p.destroy();
        }
    }
    private List<String> getProcessedIds(Process process, BufferedReader br) throws IOException, InterruptedException {
        process.waitFor();

        List<String> result = new ArrayList<>();
        String processId ;

        while (null != (processId = br.readLine())) {
            result.add(processId);
        }

        process.destroy();
        return result;
    }

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UPDATE

另一个更简单的解决方案似乎是

Another and more simple solution seems to be

    Runtime.getRuntime().exec("pkill chromedriver");

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