run() { FileCleanTaskResponse poll = pollTasks(1); List<FileCleanTask> tasks = poll.getCleanTasks(); log.info("cleantasks:"+tasks); if(tasks.isEmpty()){ try { Thread.sleep(60000); } catch (InterruptedException e) { e.printStackTrace(); } } long startTimeMills = System.currentTimeMillis(); List<Future> futures = new ArrayList<>(); for(FileCleanTask task : tasks){ List<String> dirs = task.getCleanDirs(); log.info("cleandirs:"+dirs); dirs.stream().forEach(dir->{ Future future = executor.submit(new FileCleanRunnable(dir)); futures.add(future); }); } //等待所有线程执行结束 for(Future future:futures){ try { future.get(); } catch (InterruptedException e) { log.error("clean task interupt",e); } catch (ExecutionException e) { log.error("clean task ",e); } } log.info("ALL File clean thread finish,cost: {} ms",(System.currentTimeMillis() - startTimeMills)); } 这一块抛出异常怎么继续执行

在这段代码中，如果 `Future.get()` 抛出了异常，会导致程序无法继续执行后续的任务。为了解决这个问题，可以在 `Future.get()` 调用前增加一个 try-catch 块，捕获异常并记录日志。这样即使某个任务出现异常，程序也能继续执行后续任务，不会影响整个程序的运行。例如：

//等待所有线程执行结束
for(Future future:futures){
    try {
        future.get();
    } catch (InterruptedException e) {
        log.error("clean task interupt",e);
    } catch (ExecutionException e) {
        log.error("clean task ",e);
        // 添加异常处理逻辑，记录异常信息并继续执行后续任务
    }
}

相关问题

public void run() { try { FileCleanTaskResponse poll = pollTasks(1); List<FileCleanTask> tasks = poll.getCleanTasks(); log.info("cleantasks:" + tasks); if (tasks.isEmpty()) { try { Thread.sleep(60000); } catch (InterruptedException e) { log.error("InterruptedException while sleeping",e); } } 写UT覆盖tasks.isEmpty()

好的，您想让我帮您编写一个针对 tasks.isEmpty() 的单元测试，对吗？那么根据您提供的代码，我可以模拟一个返回空列表的 FileCleanTaskResponse 对象，然后调用 run() 方法，最后断言线程是否成功休眠了 60 秒。代码如下：

@Test
public void testRunTasksIsEmpty() throws InterruptedException {
    // 模拟返回空列表的 FileCleanTaskResponse 对象
    List<FileCleanTask> tasks = Collections.emptyList();
    FileCleanTaskResponse response = new FileCleanTaskResponse(tasks);

    // 模拟 pollTasks() 方法返回上面的对象
    YourClass yourClass = new YourClass();
    when(yourClass.pollTasks(1)).thenReturn(response);

    // 调用 run() 方法
    Thread thread = new Thread(yourClass);
    thread.start();

    // 等待线程执行完毕
    thread.join();

    // 断言线程成功休眠了 60 秒
    verify(yourClass, timeout(10000)).run();
}

需要注意的是，这里使用了 Mockito 框架来模拟 pollTasks() 方法的行为，并且使用了 verify() 方法来断言线程成功休眠了 60 秒。您可以根据需要来修改代码。

run() { try { FileCleanTaskResponse poll = pollTasks(1); List<FileCleanTask> tasks = poll.getCleanTasks(); log.info("cleantasks:" + tasks); if (tasks.isEmpty()) { try { Thread.sleep(60000); } catch (InterruptedException e) { e.printStackTrace(); } } long startTimeMills = System.currentTimeMillis(); List<Future> futures = new ArrayList<>(); for (FileCleanTask task : tasks) { List<String> dirs = task.getCleanDirs(); log.info("cleandirs:" + dirs); dirs.stream().forEach(dir -> { Future future = executor.submit(new FileCleanRunnable(dir)); futures.add(future); }); } //等待所有线程执行结束 for (Future future : futures) { try { future.get(); } catch (InterruptedException e) { log.error("clean task interupt", e); } catch (ExecutionException e) { log.error("clean task ", e); } } log.info("ALL File clean thread finish,cost: {} ms", (System.currentTimeMillis() - startTimeMills)); }添加异常并且可以过kw

您可以将代码修改为以下形式，添加了异常处理，并且去掉了最后一行的 "添加异常并且可以过kw"：

run() {
    try {
        FileCleanTaskResponse poll = pollTasks(1);
        List<FileCleanTask> tasks = poll.getCleanTasks();
        log.info("cleantasks:" + tasks);

        if (tasks.isEmpty()) {
            try {
                Thread.sleep(60000);
            } catch (InterruptedException e) {
                log.error("Interrupted while sleeping", e);
            }
        }

        long startTimeMills = System.currentTimeMillis();
        List<Future> futures = new ArrayList<>();
        for (FileCleanTask task : tasks) {
            List<String> dirs = task.getCleanDirs();
            log.info("cleandirs:" + dirs);
            dirs.stream().forEach(dir -> {
                Future future = executor.submit(new FileCleanRunnable(dir));
                futures.add(future);
            });
        }

        //等待所有线程执行结束
        for (Future future : futures) {
            try {
                future.get();
            } catch (InterruptedException e) {
                log.error("Interrupted while waiting for thread to finish", e);
                Thread.currentThread().interrupt();
            } catch (ExecutionException e) {
                log.error("Error executing thread", e);
            }
        }

        log.info("ALL File clean thread finish,cost: {} ms", (System.currentTimeMillis() - startTimeMills));
    } catch (Exception e) {
        log.error("An error occurred while running the task", e);
    }
}

这样做的好处是，如果在执行任务的过程中遇到异常，程序不会立即退出，而是记录下错误信息，然后继续执行后面的任务。同时，如果在等待线程执行结束的过程中程序被中断，也会记录下错误信息，并保证程序正确退出。