スレッド実行結果の取得


スレッド実行中に例外が投げ出されると、結果の取得時にhangがエラースレッドにあり、他のスレッドの結果は取得されません.package com.test;
import java.util.ArrayList; import java.util.List; import java.util.concurrent.Callable; import java.util.concurrent.ExecutionException; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.Future;
public class ExecutorExceptionTest {
static class Result {

    private String name;
    private String value;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getValue() {
        return value;
    }

    public void setValue(String value) {
        this.value = value;
    }

    public Result(String name, String value) {
        this.name = name;
        this.value = value;
    }

    @Override
    public String toString() {
        return "Result [name=" + name + ", value=" + value + "]";
    }

}

static class Task implements Callable {

    private String name;

    private int value;

    public Task(String name, int value) {
        this.name = name;
        this.value = value;
    }

    @Override
    public Result call() throws Exception {
        System.out.println(name + " begin*********************");
        if (value % 2 == 1)
            throw new Exception(name + "the task failed!");
        System.out.println(name + " end-------------------------");
        return new Result(name, "number value is " + value);
    }

}

public static void main(String[] args) throws InterruptedException, ExecutionException {
    ExecutorService executor = Executors.newFixedThreadPool(5);
    List tasks = new ArrayList();
    for (int i = 0; i < 5; i++) {
        Task task = new Task("task" + i, i);
        tasks.add(task);
    }
    List> results = executor.invokeAll(tasks);

    for (int i = 0; i < results.size(); i++) {
        Future result = results.get(i);
        Result resultValue = result.get();
        System.out.println(resultValue);
    }
}

}

consle log


task0 begin********************* task1 begin********************* task0 end————————- task2 begin********************* task2 end————————- task3 begin********************* task4 begin********************* task4 end————————- Result [name=task0, value=number value is 0] Exception in thread “main” java.util.concurrent.ExecutionException: java.lang.Exception: task1the task failed! at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:188) at com.test.ExecutorExceptionTest.main(ExecutorExceptionTest.java:80) Caused by: java.lang.Exception: task1the task failed! at com.test.ExecutorExceptionTest Task.call(ExecutorExceptionTest.java:62)atcom.test.ExecutorExceptionTest Task.call(ExecutorExceptionTest.java:1) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)