Hepp, I'll give it a shot.
1. The only thing I can verify right now is that it seems that the @providers are initalized on all wars. I did remove al the other wars and the exceptions went away. 2. put my mappers in a separate lib into ear/lib: 2.1 openejb-jar has mapper references, openejb.jaxrs.providers.auto=false => ALL OK 2.2 openejb-jar has mapper references, #openejb.jaxrs.providers.auto=false => OK, but custom providers ar scanned twice (appears twice in log: OpenEJB.rs - Using providers:) 2.3 no mapper ref in openejb-jar, #openejb.jaxrs.providers.auto=false => ALL OK 2.4 no mapper ref in openejb-jar, openejb.jaxrs.providers.auto=false => No mappers active br hw -- View this message in context: http://tomee-openejb.979440.n4.nabble.com/rest-exceptionmapper-in-ear-tp4677602p4677607.html Sent from the TomEE Users mailing list archive at Nabble.com.
