[seam-issues] [JBoss JIRA] (SOLDER-309) @Observes HttpServletResponse causes IllegalProductException

@Observes HttpServletResponse causes IllegalProductException ------------------------------------------------------------ Key: SOLDER-309 URL: https://issues.jboss.org/browse/SOLDER-309 Project: Solder Issue Type: Bug Components: Servlet Affects Versions: 3.1.0.CR1 Reporter: Ove Ranheim Assignee: Shane Bryzak Fix For: 3.1.0.Final The ImplicitHttpServletObjectsProducer.getHttpServletResponse() produces a null instance when invoked from an @Observer. {noformat} public void observeHttpRequest(@Observes @Initialized HttpServletRequest request, HttpServletResponse response) { final String path = request.getServletPath(); if (identity.isLoggedIn()) { // Redirect user to dashboard if landing page is requested if ("/index".equals(path) || "/index.jsf".equals(path)) { log.infof("Authorized request to: %s. Will be redirected to home!", path); try { response.sendRedirect(request.getContextPath() + "/home"); } catch (IOException e) { e.printStackTrace(); } } } } {noformat} Causes the exception: {noformat} org.jboss.weld.exceptions.IllegalProductException: WELD-000052 Cannot return null from a non-dependent producer method: [method] @Produces @Typed @RequestScoped protected org.jboss.solder.servlet.http.ImplicitHttpServletObjectsProducer.getHttpServletResponse() org.jboss.weld.bean.AbstractProducerBean.checkReturnValue(AbstractProducerBean.java:256) org.jboss.weld.bean.AbstractProducerBean.create(AbstractProducerBean.java:362) org.jboss.weld.context.AbstractContext.get(AbstractContext.java:122) org.jboss.weld.bean.proxy.ContextBeanInstance.getInstance(ContextBeanInstance.java:99) org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java:124) org.jboss.weld.proxies.HttpServletResponse$1903192262$Proxy$_$$_WeldClientProxy.sendRedirect(HttpServletResponse$1903192262$Proxy$_$$_WeldClientProxy.java) com.musific.webapp.session.HttpRequestWatcher.observeHttpRequest(HttpRequestWatcher.java:80) com.musific.webapp.session.HttpRequestWatcher$Proxy$_$$_WeldClientProxy.observeHttpRequest(HttpRequestWatcher$Proxy$_$$_WeldClientProxy.java) sun.reflect.GeneratedMethodAccessor223.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:597) org.jboss.weld.util.reflection.SecureReflections$13.work(SecureReflections.java:305) org.jboss.weld.util.reflection.SecureReflectionAccess.run(SecureReflectionAccess.java:54) org.jboss.weld.util.reflection.SecureReflectionAccess.runAsInvocation(SecureReflectionAccess.java:163) org.jboss.weld.util.reflection.SecureReflections.invoke(SecureReflections.java:299) org.jboss.weld.introspector.jlr.WeldMethodImpl.invokeOnInstance(WeldMethodImpl.java:188) org.jboss.weld.introspector.ForwardingWeldMethod.invokeOnInstance(ForwardingWeldMethod.java:59) org.jboss.weld.injection.MethodInjectionPoint.invokeOnInstanceWithSpecialValue(MethodInjectionPoint.java:198) org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:282) org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:265) org.jboss.weld.event.ObserverMethodImpl.notify(ObserverMethodImpl.java:234) org.jboss.weld.manager.BeanManagerImpl.notifyObservers(BeanManagerImpl.java:635) org.jboss.weld.manager.BeanManagerImpl.fireEvent(BeanManagerImpl.java:622) org.jboss.weld.manager.BeanManagerImpl.fireEvent(BeanManagerImpl.java:616) org.jboss.solder.servlet.event.AbstractServletEventBridge.fireEvent(AbstractServletEventBridge.java:45) org.jboss.solder.servlet.event.ServletEventBridgeListener.requestInitialized(ServletEventBridgeListener.java:76) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:667) org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:952) java.lang.Thread.run(Thread.java:680) {noformat}