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From "Jocelyn Lepage (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CXF-7473) ExceptionMapper class hierarchies: incompatible ExceptionMapper selected
Date Mon, 14 Aug 2017 14:48:00 GMT
Jocelyn Lepage created CXF-7473:
-----------------------------------

             Summary: ExceptionMapper class hierarchies: incompatible ExceptionMapper selected
                 Key: CXF-7473
                 URL: https://issues.apache.org/jira/browse/CXF-7473
             Project: CXF
          Issue Type: Bug
          Components: JAX-RS
    Affects Versions: 3.1.12, 3.1.11
            Reporter: Jocelyn Lepage


CXF seems to select an incompatible ExceptionMapper when using class hierarchies.

More precisely, if I define an abstract exception class like following:

{code:java}
@Provider
public abstract class AbstractExceptionMapper<E extends Throwable> implements ExceptionMapper<E>
{
...
{code}

Then I define a concrete one for IllegalArgumentExceptions:

{code:java}
public class IllegalArgumentExceptionMapper extends AbstractExceptionMapper<IllegalArgumentException>
{
...
{code}

IllegalArgumentExceptionMapper will then be selected even for RuntimeException subtypes unrelated
to IllegalArgumentExceptions.

See minimal project showing the problem [here|https://github.com/jlepage-appdirect/cxf-exception-mapper-bug]

Similar (if not same) problem seems to have been reported via CXF-6635, but I do see this
with 3.1.11 and 3.1.12.

Thx!



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