Ivan Bondarenko created CXF-5360:
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Summary: Resource classes are selected incorrectly
Key: CXF-5360
URL: https://issues.apache.org/jira/browse/CXF-5360
Project: CXF
Issue Type: Bug
Components: JAX-RS
Affects Versions: 2.7.7
Reporter: Ivan Bondarenko
Priority: Blocker
The problem: the resource is selected incorrectly when multiple classes can
'visually' handle request. For example if we have two classes
@Path("/") class Foo {
@GET @Path("bar") public String bar() { return "bar"; }
}
@Path("/") class Real {
@GET @Path("hello") public String hello() { return "hello"; }
}
and their instances are registered in this order (e.g. in jaxrs:serviceBeans),
when I GET the "/hello" path, the Foo will be selected, while it is not even
able to handle this request.
The starting point to investigate the problem is
org.apache.cxf.jaxrs.utils.JAXRSUtils.selectResourceClass(List<ClassResourceInfo>,
String, MultivaluedMap<String, String>, Message), where 'candidateList'
variable is filled incorrectly. Unfortunately I'm not so familiar with CXF code
to provide a patch, but resource class must be selected basing on full class
description (all methods and annotations must be taken into account).
Why this is a problem: except obvious reason (unexpected behavior), this bug
disallows to make REST service modular. For example we may want to provide
different feature sets for different servers. Right now it is not possible to
implement.
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