Hi Romain, By making the below changes my rest services are working fine in tomee 7.0.0-M2 (both jaxrs client and jaxrs service)
https://github.com/apache/tomee/blob/120a33c7b4de07ae01c17978ea37d88a911ea860/server/openejb-cxf-rs/src/main/java/org/apache/openejb/server/cxf/rs/CxfRSService.java CxfRSService.java (Lines 195 to 217) I registered Wildcard json providers as default one's and tested my applications try { final List all; final String userProviders = SystemInstance.get().getProperty("openejb.jaxrs.client.providers"); if (userProviders == null) { (all = new ArrayList<>(2)).addAll(asList( new WildcardJohnzonProvider<>(), //Register Wildcard Providers new WildcardJsrProvider() )); } else { all = new ArrayList<>(4 /* blind guess */); for (String p : userProviders.split(" *, *")) { p= p.trim(); if (p.isEmpty()) { continue; } all.add(Thread.currentThread().getContextClassLoader().loadClass(p).newInstance()); } all.addAll(asList( // added after to be after in the list once sorted new WildcardJohnzonProvider<>(), //Register Wildcard Providers new WildcardJsrProvider())); } *Why Wilcard Json Providers are not the default providers in tomee? * It is really good if we make Wilcard Json Providers the default providers. -- View this message in context: http://tomee-openejb.979440.n4.nabble.com/Tomee-7-0-0-M2-JaxRs-Client-No-message-body-reader-has-been-found-for-class-ContentType-application-n-tp4677664p4677675.html Sent from the TomEE Users mailing list archive at Nabble.com.
