[aerogear-dev] Sender REST endpoint returns text/plain

Hey guys, one issues Tadeas identified during testing sender endpoint via Java Sender lib is connected to this quiet change in the REST response from REST Sender endpoint (we added text/plain response specification): https://github.com/aerogear/aerogear-unifiedpush-server/blob/master/jaxrs... As we were always responding with "Job submitted", admin-ui client started to complain about the response not being JSON. So obvious fix was change that to text/plain, right? Not really.. some clients like Java Sender lib already expects application/json and JAX-RS then refuses these requests: https://github.com/aerogear/aerogear-unifiedpush-java-client/blob/master/... The question is, what should be the correct response? There are many options, I would be perfectly fine with 204 No Content reply, but JSON might be more appropriate for future extensions, we may want to return e.g. PushMessageInformation#id or something else as part of the response. So, wouldn't be application/json more appropriate than text/plain? We may send empty body now {}. Is this something we want to address for Alpha? Or should we release fixed Java Sender lib? Cheers, ~ Lukas