Identify unhandled Exceptions in error cases

[MeiSign]

We need a list of all exception that might be thrown by this service and are currently not handled by our own exceptionhandling.
For example when we create a offer with wrong parameteres and get an exception back from sphere.

[MeiSign]

Help appreciated

[MeiSign]

/offer/:id can return:
[CompletionException: java.net.ConnectException: Network is unreachable to https://api.sphere.io/bla-8/products/4dc3be0a-d850-4074-bcf0-4454515f168f]