我在尝试启用 Hk2 Events 时遇到问题穿着 Jersey 。
资源配置:
import org.glassfish.hk2.utilities.TopicDistributionModule;
public class Application extends ResourceConfig {
public Application() throws IOException {
super(Application.class);
register(TopicDistributionModule.class);
}
}
资源:
@Path("/")
public class MainResource {
@Inject
private Topic<MyClass> myClassTopic;
@GET
@Produces(MediaType.TEXT_HTML)
public String index() {
return "index";
}
}
我收到一个错误:
java.lang.IllegalStateException: There is no implementation of the TopicDistributionService to distribute the message
at org.jvnet.hk2.internal.TopicImpl.publish(TopicImpl.java:79) ~[hk2-locator-2.3.0.jar:?]
at ... MainResource.index(MainResource.java:21) ~[classes/:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_20]
最佳答案
TopicDistributionModule
是 AbstractBinder
,根据我的理解,它应该注册为实例,而不是按类注册。这个
register(new TopicDistributionModule());
应该消除异常,因为它注册了默认的TopicDistributionService
。从那里开始,只需确保您在发布事件/消息时拥有“实时”订阅者即可
关于java - 如何在 jersey 2.15 中启用 HK2 TopicDistributionService?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/27986704/