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Reflection error with Unity when using il2cpp #5422

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Reflection error with Unity when using il2cpp#5422
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@leohahn

Description

@leohahn
leohahn
opened on Dec 4, 2018

What version of protobuf and what language are you using?
Version: v3.6.1
Language: C#

What operating system (Linux, Windows, ...) and version?
MacOS Mojave 10.14

What runtime / compiler are you using (e.g., python version or gcc version)
Apple LLVM version 10.0.0 (clang-1000.11.45.2)
Target: x86_64-apple-darwin18.0.0
Thread model: posix

What did you do?

  • Open the following project on Unity 2018.3.0b10 (I think that this happens with any Unity 2018, maybe other years as well)
  • Run on the editor to see that the file Test.cs executes correctly.
  • Compile with il2cpp to iOS and run. The code fails with the following stacktrace:
DescriptorValidationException: google.protobuf.Value.kind: Method ClearKind not found in Google.Protobuf.WellKnownTypes.Value
  at Google.Protobuf.Reflection.OneofDescriptor.CreateAccessor (System.String clrName) [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.Reflection.OneofDescriptor..ctor (Google.Protobuf.Reflection.OneofDescriptorProto proto, Google.Protobuf.Reflection.FileDescriptor file, Google.Protobuf.Reflection.MessageDescriptor parent, System.Int32 index, System.String clrName) [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.Reflection.MessageDescriptor+<>c__DisplayClass4_0.<.ctor>b__0 (Google.Protobuf.Reflection.OneofDescriptorProto oneof, System.Int32 index) [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.Reflection.DescriptorUtil.ConvertAndMakeReadOnly[TInput,TOutput] (System.Collections.Generic.IList`1[T] input, Google.Protobuf.Reflection.DescriptorUtil+IndexedConverter`2[TInput,TOutput] converter) [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.Reflection.MessageDescriptor..ctor (Google.Protobuf.Reflection.DescriptorProto proto, Google.Protobuf.Reflection.FileDescriptor file, Google.Protobuf.Reflection.MessageDescriptor parent, System.Int32 typeIndex, Google.Protobuf.Reflection.GeneratedClrTypeInfo generatedCodeInfo) [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.Reflection.FileDescriptor+<>c__DisplayClass1_0.<.ctor>b__0 (Google.Protobuf.Reflection.DescriptorProto message, System.Int32 index) [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.Reflection.DescriptorUtil.ConvertAndMakeReadOnly[TInput,TOutput] (System.Collections.Generic.IList`1[T] input, Google.Protobuf.Reflection.DescriptorUtil+IndexedConverter`2[TInput,TOutput] converter) [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.Reflection.FileDescriptor..ctor (Google.Protobuf.ByteString descriptorData, Google.Protobuf.Reflection.FileDescriptorProto proto, Google.Protobuf.Reflection.FileDescriptor[] dependencies, Google.Protobuf.Reflection.DescriptorPool pool, System.Boolean allowUnknownDependencies, Google.Protobuf.Reflection.GeneratedClrTypeInfo generatedCodeInfo) [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.Reflection.FileDescriptor.BuildFrom (Google.Protobuf.ByteString descriptorData, Google.Protobuf.Reflection.FileDescriptorProto proto, Google.Protobuf.Reflection.FileDescriptor[] dependencies, System.Boolean allowUnknownDependencies, Google.Protobuf.Reflection.GeneratedClrTypeInfo generatedCodeInfo) [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.Reflection.FileDescriptor.FromGeneratedCode (System.Byte[] descriptorData, Google.Protobuf.Reflection.FileDescriptor[] dependencies, Google.Protobuf.Reflection.GeneratedClrTypeInfo generatedCodeInfo) [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.WellKnownTypes.StructReflection..cctor () [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.WellKnownTypes.Value.get_Descriptor () [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.JsonParser..cctor () [0x00000] in <00000000000000000000000000000000>:0 
  at Test.Start () [0x00000] in <00000000000000000000000000000000>:0 
Rethrow as ArgumentException: Invalid embedded descriptor for "google/protobuf/struct.proto".
  at Google.Protobuf.Reflection.FileDescriptor.FromGeneratedCode (System.Byte[] descriptorData, Google.Protobuf.Reflection.FileDescriptor[] dependencies, Google.Protobuf.Reflection.GeneratedClrTypeInfo generatedCodeInfo) [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.WellKnownTypes.StructReflection..cctor () [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.WellKnownTypes.Value.get_Descriptor () [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.JsonParser..cctor () [0x00000] in <00000000000000000000000000000000>:0 
  at Test.Start () [0x00000] in <00000000000000000000000000000000>:0 
Rethrow as TypeInitializationException: The type initializer for 'Google.Protobuf.WellKnownTypes.StructReflection' threw an exception.
  at Google.Protobuf.WellKnownTypes.Value.get_Descriptor () [0x00000] in <00000000000000000000000000000000>:0 
  at Google.Protobuf.JsonParser..cctor () [0x00000] in <00000000000000000000000000000000>:0 
  at Test.Start () [0x00000] in <00000000000000000000000000000000>:0 
Rethrow as TypeInitializationException: The type initializer for 'Google.Protobuf.JsonParser' threw an exception.
  at Test.Start () [0x00000] in <00000000000000000000000000000000>:0 
 
(Filename: currently not available on il2cpp Line: -1)

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