Markus Jung created TOMEE-4713:
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Summary: Serve JAX-RS applications through a servlet mapping
instead of CXFJAXRSFilter
Key: TOMEE-4713
URL: https://issues.apache.org/jira/browse/TOMEE-4713
Project: TomEE
Issue Type: Improvement
Reporter: Markus Jung
Fix For: 11.0.0
{{CXFJAXRSFilter}} decides per request whether a URL belongs to JAX-RS: it
pre-matches class level {{@Path}} templates, serves static files first, gives
mapped servlets priority by servlet name and detects welcome-file rewrites.
That duplicates what Tomcat's servlet mapper already does and has produced a
series of routing bugs (TOMEE-2148, TOMEE-2467, TOMEE-4406, TOMEE-4424,
TOMEE-4481, TOMEE-4659).
Each JAX-RS application is served by its own servlet instead, so the Servlet
mapping rules decide routing:
* {{@ApplicationPath}} or a servlet mapping in web.xml: {{<path>/*}} (Jakarta
REST 2.3.2), including {{@ApplicationPath("/")}}.
* No declared mapping (TomEE extension, served from the context root): {{/}},
the default servlet slot. JSP, Faces and user servlets keep priority, static
files are served by the container's default servlet.
* {{openejb.jaxrs.root-as-default-servlet=true}} maps applications at the
context root to {{/}} as well, for applications that serve static files, JSPs
or Faces views next to {{@ApplicationPath("/")}}.
Behaviour changes:
* Static files under an application path belong to the application;
{{openejb.jaxrs.static-first}} is removed.
* For an application without a declared mapping, welcome-file processing
(Servlet 6.0 ยง10.10) applies before JAX-RS to paths ending with {{/}}, so a
welcome file mapped to a non-JSP servlet handles them.
Fixed along the way: unmatched paths return 404 instead of Tomcat's 405 for
PUT/DELETE (TOMEE-4659), {{@ApplicationPath}} endpoints stay reachable next to
a {{/*}} servlet (TOMEE-4481), {{@Context ServletConfig}} is injected, and
endpoint deployments configured through {{cxf.jaxrs.*}} properties no longer
answer 404. The JAX-RS TCK runs without replacing the default servlet.
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