我正在使用Jersey 2.x和OSGI开发一个应用程序。 要注册jersey的终点（ServletContainer），我使用osgi的HTTPService和Jetty 8.x的实现 我想使用SSE（服务器发送事件），但不幸的是，当我使用实现它的服务时，告诉我 这不会在Servlet上下文2.x中运行 奇怪的是我使用的堆栈是servlet 3.x. 如果我使用SSE支持创建一个简单的servlet，无论JAX-RS如何都可以。 我认为Jersey开始认为在servlet容器2.x上运行，但不是如何改变它。 我没有任何web.xml，因为它是本机应用程序OSGI。
这是OSGI的简单初始化：
httpService.registerServlet ("/ kratos / rest" (HttpServlet) ServletContext, null, null);
其中servletContext是ServletContainer的一个实例。
然后是ServletContainer实例，我们添加动态重新加载应用程序的JAX服务。
有什么建议吗？
谢谢....
编辑......
这些是一些捆绑包：
karaf@root> la | grep Se
[ 3] [Active ] [ ] [ 8] OPS4J Pax Logging - Service (1.7.1)
[ 5] [Active ] [ ] [ 10] Apache Felix Configuration Admin Service (1.6.0)
[ 10] [Active ] [ ] [ 20] Apache Aries Proxy Service (1.0.1)
[ 49] [Active ] [Created ] [ 30] Apache Karaf :: Management :: MBeans :: Services (2.3.3)
[ 54] [Active ] [ ] [ 30] Apache ServiceMix :: Specs :: Activation API 1.4 (1.9.0)
[ 55] [Active ] [ ] [ 30] Servlet 3.0 (1.0)
[ 60] [Active ] [ ] [ 30] Jetty :: Aggregate :: All Server (8.1.9.v20130131)
[ 67] [Active ] [ ] [ 30] Apache ServiceMix :: Bundles :: asm (3.3.0.2)
[ 69] [Active ] [ ] [ 30] OPS4J Pax Web - Service SPI (3.0.2)
[ 105] [Active ] [ ] [ 80] Apache ServiceMix :: Bundles :: javax.inject (1.0.0.1)
[ 112] [Active ] [ ] [ 80] ServiceLocator Default Implementation (2.2.0.b10)
[ 121] [Active ] [ ] [ 80] Apache ServiceMix :: Bundles :: aopalliance (1.0.0.5)
这是一个例外：
013-11-03 20:50:27,708 | WARN | qtp18651544-59 | ServletHandler | pse.jetty.servlet.ServletHandler 492 | 60 - org.eclipse.jetty.aggregate.jetty-all-server - 8.1.9.v20130131 |
javax.servlet.ServletException: java.lang.UnsupportedOperationException: Asynchronous processing not supported on Servlet 2.x container.
Caused by: java.lang.UnsupportedOperationException: Asynchronous processing not supported on Servlet 2.x container.
at org.glassfish.jersey.internal.Errors.process(Errors.java:267)[149:org.glassfish.jersey.core.jersey-common:2.3.1]
at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:318)[149:org.glassfish.jersey.core.jersey-common:2.3.1]
at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:235)[150:org.glassfish.jersey.core.jersey-server:2.3.1]
at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:983)[150:org.glassfish.jersey.core.jersey-server:2.3.1]
at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:359)[147:org.glassfish.jersey.containers.jersey-container-servlet-core:2.3.1]
... 29 more
2013-11-03 20:50:27,710 | WARN | qtp18651544-59 | ServletHandler | pse.jetty.servlet.ServletHandler 517 | 60 - org.eclipse.jetty.aggregate.jetty-all-server - 8.1.9.v20130131 | /kratos/rest/sse
java.lang.UnsupportedOperationException: Asynchronous processing not supported on Servlet 2.x container.
at org.glassfish.jersey.servlet.WebComponent$1.suspend(WebComponent.java:120)[147:org.glassfish.jersey.containers.jersey-container-servlet-core:2.3.1]
at org.glassfish.jersey.servlet.internal.ResponseWriter.suspend(ResponseWriter.java:109)[147:org.glassfish.jersey.containers.jersey-container-servlet-core:2.3.1]
at org.glassfish.jersey.server.ServerRuntime$Responder.writeResponse(ServerRuntime.java:621)[150:org.glassfish.jersey.core.jersey-server:2.3.1]
at org.glassfish.jersey.server.ServerRuntime$Responder.processResponse(ServerRuntime.java:357)[150:org.glassfish.jersey.core.jersey-server:2.3.1]
at org.glassfish.jersey.server.ServerRuntime$Responder.process(ServerRuntime.java:347)[150:org.glassfish.jersey.core.jersey-server:2.3.1]
at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:258)[150:org.glassfish.jersey.core.jersey-server:2.3.1]
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)[149:org.glassfish.jersey.core.jersey-common:2.3.1]
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)[149:org.glassfish.jersey.core.jersey-common:2.3.1]
at org.glassfish.jersey.internal.Errors.process(Errors.java:315)[149:org.glassfish.jersey.core.jersey-common:2.3.1]
at org.glassfish.jersey.internal.Errors.process(Errors.java:297)[149:org.glassfish.jersey.core.jersey-common:2.3.1]
at org.glassfish.jersey.internal.Errors.process(Errors.java:267)[149:org.glassfish.jersey.core.jersey-common:2.3.1]
at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:318)[149:org.glassfish.jersey.core.jersey-common:2.3.1]
at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:235)[150:org.glassfish.jersey.core.jersey-server:2.3.1]
at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:983)[150:org.glassfish.jersey.core.jersey-server:2.3.1]
at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:359)[147:org.glassfish.jersey.containers.jersey-container-servlet-core:2.3.1]
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:372)[147:org.glassfish.jersey.containers.jersey-container-servlet-core:2.3.1]
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:335)[147:org.glassfish.jersey.containers.jersey-container-servlet-core:2.3.1]
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:218)[147:org.glassfish.jersey.containers.jersey-container-servlet-core:2.3.1]
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:669)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:457)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:69)[71:org.ops4j.pax.web.pax-web-jetty:3.0.2]
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1075)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:210)[71:org.ops4j.pax.web.pax-web-jetty:3.0.2]
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:384)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:77)[71:org.ops4j.pax.web.pax-web-jetty:3.0.2]
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.server.Server.handle(Server.java:368)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:488)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:932)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:994)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:640)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:628)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)[60:org.eclipse.jetty.aggregate.jetty-all-server:8.1.9.v20130131]
at java.lang.Thread.run(Thread.java:724)[:1.7.0_40]
示例：
注意：我使用Peaberry代替DI。
Activator.java
public class Activator implements BundleActivator {
....
....
@Override
public void start(final BundleContext bc) throws Exception {
System.out.println("Starting Activator");
final ClassLoader primaryClassLoader = getDatanucleusClassLoader(bc);
Injector injector = Guice.createInjector(Peaberry.osgiModule(bc), new AbstractModule() {
@Override
protected void configure() {
install(new CoreResourcesJaxRsModule());
...
...
bind(HttpService.class).toProvider(Peaberry.service(HttpService.class).single());
...
}
});
}
}
ConfigHttpService.java：
单件 公共类ConfigHttpService {
private final ServletContainer servletContext;
private final HttpService httpService;
private final BundleContext context;
private boolean initialized = false;
private static final Logger logger = Logger.getLogger(ConfigHttpService.class.getName());
@Inject
public ConfigHttpService(
BundleContext bc,
HttpService httpService,
ServletContainer context) {
this.servletContext = context;
this.httpService = httpService;
this.context = bc;
}
public synchronized void init() throws Exception {
if (!initialized) {
try {
logger.info("Configurado el registro de Guice");
//httpService.registerFilter( guiceFilter, "/.*", null, 0, null );
try {
logger.info("Configurado el registro de recursos estaticos");
httpService.registerResources("/kratos/pages", "/pages", null);
logger.info("Servlet /kratos/events configurado");
Dictionary d1 = new Hashtable();
d1.put("javax.ws.rs.Application", "com.workingflows.kratos.core.service.KratosServiceApplication");
httpService.registerServlet("/kratos/rest", (HttpServlet) servletContext, d1, null);
//httpService.registerResources("/kratos", "/js", null);
} catch (NamespaceException ex) {
logger.info("Error NamespaceException");
}
} catch (ServletException ex) {
logger.info("Error ServletException");
}
initialized = true;
}
}
@Stop
public void stop() {
logger.log(Level.INFO, "Eliminando el servlet {0}", "/kratos/rest");
httpService.unregister("/kratos/rest");
httpService.unregisterFilter(guiceFilter);
}
}
ConfigHttpService.init（）方法是从代表内部模块的其他类调用的。在此方法中，您将看到JAX ServletContext的配置。
答案 0 :(得分：2)
错误是，泽西模块的启动与注册ServletContainer类的应用程序模块处于同一级别。
[ 127] [ Resolved] [ 30] jersey-container-servlet-core (2.4.0)
[ 161] [ Active] [ 30] jersey-core-common (2.4.0)
[ 162] [ Active] [ 30] jersey-core-client (2.4.0)
[ 163] [ Active] [ 30] jersey-core-server (2.4.0)
[ 164] [ Active] [ 30] jersey-container-servlet (2.4.0)
[ 165] [ Active] [ 30] jersey-media-sse (2.4.0)
我在30级打开了一叠球衣，80级的应用程序开始运行!!!!重要的模块是jersey-core-server，它增加了对servlet 3.x的支持。
[ 168] [ Active] [ 80] OsgiJersey OSGi Bundle (1.0.0.SNAPSHOT)
答案 1 :(得分：1)
我认为我们可能有更好的解决方案，而不是直接使用HttpService，你可以使用WhiteBoard扩展器（只需要为此安装http-whiteboard功能）。这样您就可以将Servlet注册为服务，而白板扩展器会将其注册，另请参阅pax-web samples之一。或者，当您正在开发Servlet 3.0 Servlet时，只需通过注释Servlet来注册它。您需要做的就是将一个web-contextPath添加到Bundle的Manifest中。另请参阅我的blog。
如果这仍然没有帮助，我可能需要将一个工作样本发送到ops4j邮件列表，或者向pax-web添加一个问题，以便我可以深入了解它。 BTW。 CXF确实使用白板方法并且像魅力一样工作;）