我正在尝试在Singleton EJB中启动线程,但是正在抛出java.lang.IllegalStateException。这是我的(简化课程)课:

Singleton
@LocalBean
@Startup
public class WatcherEJB {


    @Resource(name = "concurrent/masterActionsThreadFactor")
    ManagedThreadFactory threadFactory;

    Thread watcherThread;

    @PostConstruct
    public void startUp() {

        //Setup the listener using the ThreadFactory
        watcherThread = threadFactory.newThread(new Runnable() {

            @Override
            public void run() {
                //System.out.println("Watcher Thread started");
            }
        });
        watcherThread.start(); //java.lang.IllegalStateException thrown here
    }
}


我假设尝试启动Thread对象时出现问题,或者Java EE 7不允许单例中的托管线程吗?

最佳答案

您使用什么应用程序服务器?

如果是WildFly,则您可能会遇到以下问题:https://issues.jboss.org/browse/WFLY-2343

关于java - 我可以在Singleton Enterprise Java Bean中启动ManagedThread吗?,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/20446682/

10-11 22:10
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