Could you please post a proguard config that you’re using? I think one of the classes required by Context may be missing because of it. (By the way, here’s a one that seems to work fine.) Also, this ...

I'm trying to upgrade from msgpack 0.5.3 to 0.7.0-M6. Followed the example from: https://github.com/msgpack/msgpack-java/blob/v07-develop/msgpack-core/src/test/java ...