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根据关于服务生命周期的文档，我应该能够实现 RegistryShutdownListener 并整理我的资源（在这种情况下，关闭线程池）但是它抛出异常并且似乎正在尝试重新初始化我的服务以执行关闭监听器！？

2010-01-14 10:59:01,750 [main] ERROR org.apache.hivemind.impl.ShutdownCoordinatorImpl - Unable to shutdown <SingletonProxy for svc.MyService($MyService_1262a1db992)>: Unable to construct service svc.MyService: The HiveMind Registry has been shutdown.
org.apache.hivemind.ApplicationRuntimeException: Unable to construct service svc.MyService: The HiveMind Registry has been shutdown.
    at org.apache.hivemind.impl.servicemodel.AbstractServiceModelImpl.constructNewServiceImplementation(AbstractServiceModelImpl.java:166)
    at org.apache.hivemind.impl.servicemodel.AbstractServiceModelImpl.constructServiceImplementation(AbstractServiceModelImpl.java:140)
    at org.apache.hivemind.impl.servicemodel.SingletonServiceModel.getActualServiceImplementation(SingletonServiceModel.java:69)
    at $$MyService_1262a1db992_1262a1db994._service($$MyService_1262a1db992_1262a1db994.java)
    at $$MyService_1262a1db992_1262a1db994.registryDidShutdown($$MyService_1262a1db992_1262a1db994.java)
    at $$MyService_1262a1db992_1262a1db993.registryDidShutdown($$MyService_1262a1db992_1262a1db993.java)
    at org.apache.hivemind.impl.ShutdownCoordinatorImpl.shutdown(ShutdownCoordinatorImpl.java:97)
    at org.apache.hivemind.impl.ShutdownCoordinatorImpl.shutdown(ShutdownCoordinatorImpl.java:80)
    at org.apache.hivemind.impl.RegistryInfrastructureImpl.shutdown(RegistryInfrastructureImpl.java:379)
    at org.apache.hivemind.impl.RegistryImpl.shutdown(RegistryImpl.java:94)
    at org.apache.tapestry.ApplicationServlet.destroy(ApplicationServlet.java:322)
    at org.apache.catalina.core.StandardWrapper.unload(StandardWrapper.java:1394)
    ...
Caused by: org.apache.hivemind.ApplicationRuntimeException: The HiveMind Registry has been shutdown.
    at org.apache.hivemind.impl.RegistryInfrastructureImpl.checkShutdown(RegistryInfrastructureImpl.java:404)
    at org.apache.hivemind.impl.RegistryInfrastructureImpl.getServicePoint(RegistryInfrastructureImpl.java:153)
    at org.apache.hivemind.impl.ModuleImpl.getServicePoint(ModuleImpl.java:169)
    at org.apache.hivemind.impl.InvokeFactoryServiceConstructor.setupFactoryAndParameters(InvokeFactoryServiceConstructor.java:78)
    at org.apache.hivemind.impl.InvokeFactoryServiceConstructor.constructCoreServiceImplementation(InvokeFactoryServiceConstructor.java:55)
    at org.apache.hivemind.impl.servicemodel.AbstractServiceModelImpl.constructCoreServiceImplementation(AbstractServiceModelImpl.java:108)
    at org.apache.hivemind.impl.servicemodel.AbstractServiceModelImpl.constructNewServiceImplementation(AbstractServiceModelImpl.java:158)
    ... 31 more

Hivemodule.xml：

<service-point id="MyService" interface="package.MyService">
    <invoke-factory><construct class="package.MyService" /></invoke-factory>
</service-point>

包.MyService.java：

public class MyService implements RegistryShutdownListener
{
...
    private ExecutorService executors;

    private void intitialise()
    {
...
    executors = Executors.newFixedThreadPool(3);
...
    }

...

    @Override
    public void registryDidShutdown()
    {
        if (executors.isShutdown())
            return;
        executors.shutdown();
    }
}

ps 我知道您不能引用另一个 hivemind 服务，registryDidShutdown()但 executors 不是 hivemind 服务 AFAIK，它是java.util.concurrent

4

1 回答 1

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找到这个后，我可以看到这是一个错误。解决方法是使用服务的接口（有时我会跳过），而不是使用 hivemodule 中的构造和接口的实现。

于 2010-01-14T04:55:20.323 回答