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https://issues.apache.org/jira/browse/CXF-4496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464573#comment-13464573
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Sergey Beryozkin commented on CXF-4496:
---------------------------------------
The client runtime guarantees (unless some bug is there) that it will throw
ClientException (JAX-RS 2.0) or ServerWebApplicationExxception representing the
remote service failure. To be honest I have doubts ResponseExceptionMapper has
to be checked when proxies have no exception classes in the signature, however,
at the same time, I guess proxies should be given a chance to 'pre-process'
unchecked exceptions.
If you have a catch statement expecting RuntimeException, then with
ResponseExceptionMapper<ClientException> (assuming it is CXF 2.7.0) the catch
will work. However I also think that a catch expecting ClientException should
also work, *irrespectively* of whether one has ResponseExceptionMapper or not.
> find of ResponseExceptionMapper do not handle runtime exceptions
> ----------------------------------------------------------------
>
> Key: CXF-4496
> URL: https://issues.apache.org/jira/browse/CXF-4496
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 2.6.2
> Reporter: n0rad
> Priority: Minor
>
> In org.apache.cxf.jaxrs.client.ClientProxyImpl.findExceptionMapper(Method,
> Message)
> The responseExceptionMapper is selected based on exception defined in the
> resource method signature but this method may have thrown a RuntimeException :
> {code:java}
> @Path("/")
> public interface RestMcuBoardResource {
> @GET
> public RestMcuBoard getBoard();
> }
> {code}
> does not work where this one work
> {code:java}
> @Path("/")
> public interface RestMcuBoardResource {
> @GET
> public RestMcuBoard getBoard() throws runtimeException;
> }
> {code}
> a fix could be :
> {code:java}
> private static ResponseExceptionMapper<?> findExceptionMapper(Method m,
> Message message) {
> ProviderFactory pf = ProviderFactory.getInstance(message);
> for (Class<?> exType : m.getExceptionTypes()) {
> ResponseExceptionMapper<?> mapper =
> pf.createResponseExceptionMapper(exType);
> if (mapper != null) {
> return mapper;
> }
> }
> + return pf.createResponseExceptionMapper(RuntimeException.class);
> - return null;
> }
> {code}
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