Hi Paul You able to create an as small as possible sample, maybe based on https://github.com/apache/tomee/tree/master/examples/async-servlet? I'm struggling a little to picture the code in my head. It sounds likely related to the two different threads. I'm sure we can at least help figure out a workaround.
Jon On Mon, Oct 7, 2019 at 1:01 PM Paul Carter-Brown <paul.carter-br...@jini.guru> wrote: > Hi, > > I have a scenario as follows: > > 1) JAX-RS request comes into TomEE 8.0.0 and hits a stateless EJB of mine > 2) The EJB has an object called UserContext injected which is > @RequestScoped > 3) userContext in turn injects HttpServletRequest with @Context > 4) I use userContext fine. All is good and it can access the > HttpServletRequest > 5) My EJB does a rest call to another system. This rest call uses asynhttp > with reactive programming and returns a CompletionStage. > 6) my EJB code does a .thenAccept on the completionstage and in this code > we try and use the injected UserContext. Here we get an error when > UserCOntext tries to use HttpServletRequest. > > java.lang.IllegalStateException: No CXF message usable for JAX-RS > @Context injections in that thread so can't use interface > javax.servlet.http.HttpServletRequest > > > I believe this is due to the completionstage being executed on a different > thread. E.g.. steps 1-5 use TomEE-Exec-1 while step 6 uses async-http-3-3. > > To resolve this I got UserContext to eagerly load the data it needs > from HttpServletRequest > in step 3 so that at step 6 no calls to HttpServletRequest are needed. It > seems though that the userContext is proxied by webbeans and I get a > different instance on the different thread and this new instance has none > of my eagerly loaded data in it. > > Does anyone know how to resolve this issue. Basically I want to somehow get > step 6 to use the exact instance of UserContext as step 2 even though they > are on different threads. > > Paul Carter-Brown > Director > Jini Guru > m: +27 (0) 83 442 7179 <+27834427179> > a: 1st Floor, Golf House, Design Quarter, Cnr. William Nicol and Leslie > Johannesburg, South Africa > w: jini.guru e: p...@jini.guru > > Disclaimer: This message and/or attachment(s) may contain > privileged, confidential and/or personal information. If you are not the > intended recipient you may not disclose or distribute any of > the information contained within this message. In such case you must > destroy this message and inform the sender of the error. Jini Guru may not > accept liability for any errors, omissions, information and viruses > contained in the transmission of this message. Any opinions, conclusions > and other information contained within this message not related to Jini > Guru official business is deemed to be that of the individual only and is > not endorsed by Jini Guru. >
