This seems to be a problem in Tomcat - Jersey is attempting to register a new Servlet for your JAX-RS application and tries to enable the async support on it, but - for some reason - Tomcat is not allowing this.
Cheers,
Marek
> On 22 Oct 2015, at 11:28, Raúl Guerrero Deschamps <raul_at_jimi.com.mx> wrote:
>
> Hi,
>
> I'm extending the ResourceConfig class for my Application configuration, in there I use register(), packages() etc.
>
> The problem is, on Tomcat 8.0.28 I'm getting the following exception when calling an async Resource:
>
> javax.ws.rs.ProcessingException: Attempt to suspend a connection of an asynchronous request failed in the underlying container.
>
> On a Mac it works correctly, but on Windows it throws such exception, and I read on a StackOverflow answer for this issue, that you should either define the <async-supported>true</async-supported> tag in the web.xml, but as I don't have a web.xml, the post mentions that there is a property() that can be set to achieve that, but the answer never mentions how to set it so it works.
>
> So my question is two-fold here, how do I set the async-supported through property() in my ResourceConfig, and also, is there any documentation mentioning what property() options are supported in Jersey? because the property() method has a javadoc, but nowhere in the documentation mentions what is used for and what properties supports.
>
> Thanks
>
> Raul