While developing and evolving a REST API, using Java EE, there are some cases where you would like to have a look on the incoming HTTP request, specifically the header params, in a more fine grained (per case) way, rather than a Servlet Filter or the more specific ContainerRequestFilters . One potential way, which I …

This is not something I invented or discovered on my own, with this post I just want to raise the awareness of this major missing point IMHO in standard Websphere 8.5.5 configuration (and it's fix) and post about it, so it can be indexed and people can find the solution easily, rather than spend countless hours trying …