Den 07.11.12 09:29, skrev Henrik Brautaset Aronsen:
I've created a sample project that shows two problems I have with RESTEasy interceptors:

A) Somehow neither the MessageBodyReaderInterceptor nor the PreProcessInterceptor triggers. I really can't figure out why.

The MessageBodyReaderInterceptor triggers when the called method is a plain String: post(String formValues). It doesn't trigger if the argument is a MultivaluedMap: post(MultivaluedMap<String,String> formValues. I believe issue is related:

The PreProcessInterceptor does trigger, I only used it wrong. When AcceptedByMethod.accept() returns true all methods are covered by the interceptor. I've updated the example project to reflect this.

Also, I've added a MessageBodyWriterInterceptor. It does not have the same problems as the MessageBodyReaderInterceptor.

B) I have an ExceptionMapper that works great for @Get requests. When an exception is thrown for a @Post request, though, I get a

org.jboss.resteasy.core.NoMessageBodyWriterFoundFailure: Could not find MessageBodyWriter for response object of type: no.synth.resteasyinterceptordemo.MyExceptionMapper$Error of media type: application/x-www-form-urlencoded

This is still a problem, I have no solution here.

Are these known defects, or am I doing something very stupid? I'd be grateful if someone would like to take a look.

The project is located at and I've tried using Tomcat 6 and 7.

I just pushed some updates to this project, with more tests and additional help text.


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