On Nov 8, 2012, at 10:00 AM, [email protected] wrote: > Well, i still have an issue, so i'll continue on this thread. > > While handling my AsyncResponse I have the following issue : > > As soon as I call setTimeout(...) the AsyncResponse is "resumed" and the > completionCallback is called. > Looks like that in CXF's AsyncResponseImpl (I look at the code to understand) > : > - setTimeout sets 'newTimeoutRequest' to true > - setTimeout callses resume() > * EXPECTED : the code expects 'handleTimeout' to be called (to then suspend > again the asyncResponse with the new timeout value) > * GUESSED : the "Continuation" impl assumes that everything is done > concerning the request (resume() was called) and calls the onComplete > callback (and sends an empty body in the answer). > > That being said, I can handle the timeouts on my own; but doesn't this look > like a bug ?
Sounds like it. Since you are looking into the code, any chance of a patch? :-) Dan > > -----Message d'origine----- > De : [email protected] [mailto:[email protected]] > Envoyé : jeudi 8 novembre 2012 15:05 > À : [email protected] > Objet : RE: CXFServlet, Asynchronous JAX-RS server, Tomcat 7 > > Just after sending this mail I made the correct google-search and noticed I > forgot to put the setting : > > <async-supported>true</async-supported> > > In the <servlet> definition in web.xml. > > ... > > *hides in a corner* > > So, now web.xml is : > > <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"; > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > xsi:schemaLocation="http://java.sun.com/xml/ns/javaee > http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd";> > <servlet> > <servlet-name>CXFServlet</servlet-name> > > <servlet-class>org.apache.cxf.transport.servlet.CXFServlet</servlet-class> > <load-on-startup>1</load-on-startup> > <async-supported>true</async-supported> > </servlet> > > <servlet-mapping> > <servlet-name>CXFServlet</servlet-name> > <url-pattern>/cxf/*</url-pattern> > </servlet-mapping> > </web-app> > > The error disappeared, I have some issues sending the answer, but I guess > it's totally related to my code ! > > Hope it will save time to others. > > -----Message d'origine----- > De : [email protected] [mailto:[email protected]] > Envoyé : jeudi 8 novembre 2012 14:48 > À : [email protected] > Objet : CXFServlet, Asynchronous JAX-RS server, Tomcat 7 > > Hi > > I'm currently trying to implement an asynchronous jax-rs server (the client > will be doing some long-polling, waiting for events, so I don't want to lock > threads on the server). > > My target environment is JOnAS 5.2.1 (using Tomcat7 container), but I'm first > trying to make it work on a vanilla Tomcat7 (for now I have the same issue on > both). > > The error I have is a NPE : > > Caused by: java.lang.NullPointerException > at > org.apache.cxf.jaxrs.impl.AsyncResponseImpl.<init>(AsyncResponseImpl.java:58) > at > org.apache.cxf.jaxrs.utils.JAXRSUtils.processParameter(JAXRSUtils.java:650) > at > org.apache.cxf.jaxrs.utils.JAXRSUtils.processParameters(JAXRSUtils.java:624) > at > org.apache.cxf.jaxrs.interceptor.JAXRSInInterceptor.processRequest(JAXRSInInterceptor.java:224) > at > org.apache.cxf.jaxrs.interceptor.JAXRSInInterceptor.handleMessage(JAXRSInInterceptor.java:94) > at > org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:271) > ... 26 more > > I'm trying to use CXF the (I think) simplest way with simple examples (see > end of mail). > > I've been looking around in the code, from what I've understood, > AsyncResponse is supposed to work with either : > > * jetty (provides a ContinuationProviderFactory on the bus) > > * servlets 3.0 (checks existence of method "isAsyncSupported" on > class ServletRequest) > > If neither of those conditions is met, then the NullPointerException should > happen. > > However I'm using tomcat 7 and it's supposed to work via the servlets 3.0 > support. So I'm guessing that maybe the servlet is still running on servlet > 2.x despites being on tomcat 7, maybe that it's because I'm using > org.apache.cxf.transport.servlet.CXFServlet ? Or I missed a switch somewhere ? > > I'm quite stuck, but I'd really like to use this feature (asynchronous > server-side) for JAX-RS (and then to see if there is something similar for > JAX-WS). > > Thanks in advance!!! > > > > web.xml (to start cxf-servlet) > > <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"; > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > xsi:schemaLocation="http://java.sun.com/xml/ns/javaee > http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd";> > <servlet> > <servlet-name>CXFServlet</servlet-name> > > <servlet-class>org.apache.cxf.transport.servlet.CXFServlet</servlet-class> > <load-on-startup>1</load-on-startup> > </servlet> > > <servlet-mapping> > <servlet-name>CXFServlet</servlet-name> > <url-pattern>/cxf/*</url-pattern> > </servlet-mapping> > </web-app> > > cxf-servlet.xml (default spring definition) > > <beans xmlns="http://www.springframework.org/schema/beans"; > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > xmlns:jaxws="http://cxf.apache.org/jaxws"; > xmlns:jaxrs="http://cxf.apache.org/jaxrs"; > xsi:schemaLocation=" > http://www.springframework.org/schema/beans > http://www.springframework.org/schema/beans/spring-beans-2.0.xsd > http://cxf.apache.org/jaxws > http://cxf.apache.org/schemas/jaxws.xsd > http://cxf.apache.org/jaxrs > http://cxf.apache.org/schemas/jaxrs.xsd";> > > <import resource="classpath:META-INF/cxf/cxf.xml"/> > <import resource="classpath:META-INF/cxf/cxf-servlet.xml"/> > > <jaxws:endpoint id="greeter" > implementor="com.mycompany.demo.StockQuoteReporter" > address="/StockQuoteReporter"/> > > <jaxrs:server id="helloworlder" > serviceClass="demo.rs.server.HelloWorldResource" > address="/helloworld"/> </beans> > > HelloWorldResource.java > > // some imports... > > @Path("/say") > public class HelloWorldResource { > > @GET > @Produces("text/plain") > public void helloWorld(AsyncResponse asyncResponse) { > asyncResponse.setTimeout(1000, TimeUnit.MILLISECONDS); > asyncResponse.setTimeoutHandler(new TimeoutHandler() { > public void handleTimeout(AsyncResponse ar) { > ar.resume("timeout"); > } > }); > } > } > > > > _________________________________________________________________________________________________________________________ > > Ce message et ses pieces jointes peuvent contenir des informations > confidentielles ou privilegiees et ne doivent donc pas etre diffuses, > exploites ou copies sans autorisation. Si vous avez recu ce message par > erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les > pieces jointes. Les messages electroniques etant susceptibles d'alteration, > France Telecom - Orange decline toute responsabilite si ce message a ete > altere, deforme ou falsifie. Merci. > > This message and its attachments may contain confidential or privileged > information that may be protected by law; they should not be distributed, > used or copied without authorisation. > If you have received this email in error, please notify the sender and delete > this message and its attachments. > As emails may be altered, France Telecom - Orange is not liable for messages > that have been modified, changed or falsified. > Thank you. > > > _________________________________________________________________________________________________________________________ > > Ce message et ses pieces jointes peuvent contenir des informations > confidentielles ou privilegiees et ne doivent donc pas etre diffuses, > exploites ou copies sans autorisation. Si vous avez recu ce message par > erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les > pieces jointes. Les messages electroniques etant susceptibles d'alteration, > France Telecom - Orange decline toute responsabilite si ce message a ete > altere, deforme ou falsifie. Merci. > > This message and its attachments may contain confidential or privileged > information that may be protected by law; they should not be distributed, > used or copied without authorisation. > If you have received this email in error, please notify the sender and delete > this message and its attachments. > As emails may be altered, France Telecom - Orange is not liable for messages > that have been modified, changed or falsified. > Thank you. > > > _________________________________________________________________________________________________________________________ > > Ce message et ses pieces jointes peuvent contenir des informations > confidentielles ou privilegiees et ne doivent donc > pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu > ce message par erreur, veuillez le signaler > a l'expediteur et le detruire ainsi que les pieces jointes. Les messages > electroniques etant susceptibles d'alteration, > France Telecom - Orange decline toute responsabilite si ce message a ete > altere, deforme ou falsifie. Merci. > > This message and its attachments may contain confidential or privileged > information that may be protected by law; > they should not be distributed, used or copied without authorisation. > If you have received this email in error, please notify the sender and delete > this message and its attachments. > As emails may be altered, France Telecom - Orange is not liable for messages > that have been modified, changed or falsified. > Thank you. > -- Daniel Kulp [email protected] - http://dankulp.com/blog Talend Community Coder - http://coders.talend.com
