Hi, This hints an incompatible Protobuf generated class by the protoc compiler, and the runtime dependency used by the code.
Could you try to make sure the `protoc` compiler version matches the Protobuf version in your code? Cheers, Gordon On Fri, Jan 29, 2021 at 6:07 AM Jan Brusch <jan.bru...@neuland-bfi.de> wrote: > Hi, > > I have a bit of a strange problem: I can't get a Statefun Application to > Compile or Run (Depending on the exact Protobuf version) with a Protobuf > version newer than 3.3.0. I have had this problem over multiple project > setups and multiple versions of Flink Statefun with Java8. > > Protobuf 3.3.0 works fine and all, but it does seem a bit odd... > > > The most common error behaviour is a successful maven build and the > following Runtime Error on Startup: > > java.lang.NoClassDefFoundError: > com/google/protobuf/GeneratedMessageV3$UnusedPrivateParameter > > > Does anyone else have this Problem or found a solution for this in the > past? > > > Best regards > > Jan > > .... > > > > -- > neuland – Büro für Informatik GmbH > Konsul-Smidt-Str. 8g, 28217 Bremen > > Telefon (0421) 380107 57 > Fax (0421) 380107 99 > https://www.neuland-bfi.de > > https://twitter.com/neuland > https://facebook.com/neulandbfi > https://xing.com/company/neulandbfi > > > Geschäftsführer: Thomas Gebauer, Jan Zander > Registergericht: Amtsgericht Bremen, HRB 23395 HB > USt-ID. DE 246585501 > >
