[Translator] Mark the translator as nullable

[SanderVerkuil]

Q	A
Bug fix?	yes
New feature?	no
Issues	Fix #2056
License	MIT

Apparently, the translator service is not available by default, so removing the cache warmer if the container doesn't have the definition breaks in newer versions. In order to allow this to still work when the translator service is not defined, but there is a translator defined in the container, the behaviour is updated to be nullOnInvalid and in the warmup it verifies whether the TranslatorBagInterface is null or not.

I've added the logger to be able to add a warning when the translator is not valid, which should not cause any issues.

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[SonofForehead]

I fixed this by down grading a few versions.

[ds5678]

[Error] : System.ArgumentException: Input array length 6447 is not divisible by dimension 2 (Parameter 'input')
   at AssetRipper.SourceGenerated.Extensions.MeshHelper.ValidateLength(Single[], Int32) + 0x161
   at AssetRipper.SourceGenerated.Extensions.MeshHelper.FloatArrayToVector2(Single[], Int32) + 0x36
   at AssetRipper.SourceGenerated.Extensions.CompressedMeshExtensions.GetUV(ICompressedMesh, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&) + 0x2d7
   at AssetRipper.SourceGenerated.Extensions.CompressedMeshExtensions.DecompressCompressedMesh(ICompressedMesh, UnityVersion, Vector3[]&, Vector3[]&, Vector4[]&, ColorFloat[]&, BoneWeight4[]&, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&, Matrix4x4[]&, UInt32[]&) + 0xc5
   at AssetRipper.SourceGenerated.Extensions.MeshExtensions.ReadData(IMesh, Vector3[]&, Vector3[]&, Vector4[]&, ColorFloat[]&, BoneWeight4[]&, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&, Vector2[]&, Matrix4x4[]&, UInt32[]&) + 0x23a
   at AssetRipper.Export.Modules.Models.MeshData.TryMakeFromMesh(IMesh, MeshData&) + 0xbc
   at AssetRipper.Export.Modules.Models.GlbMeshBuilder.AddMeshToScene(SceneBuilder, MaterialBuilder, IMesh) + 0x5f
   at AssetRipper.Export.Modules.Models.GlbMeshBuilder.Build(IMesh) + 0x6e
   at AssetRipper.Export.PrimaryContent.Models.GlbMeshExporter.Export(IUnityObjectBase, String) + 0x24
   at AssetRipper.Export.PrimaryContent.SingleExportCollection`1.Export(String) + 0xb8
   at AssetRipper.Export.PrimaryContent.PrimaryContentExporter.Export(GameBundle, CoreConfiguration) + 0xd2
   at AssetRipper.GUI.Web.GameFileLoader.ExportPrimaryContent(String) + 0x104
   at AssetRipper.GUI.Web.Pages.Commands.ExportPrimaryContent.<AssetRipper-GUI-Web-Pages-ICommand-Execute>d__0.MoveNext() + 0x191
--- End of stack trace from previous location ---
   at AssetRipper.GUI.Web.Pages.Commands.<HandleCommand>d__7`1.MoveNext() + 0x56
--- End of stack trace from previous location ---
   at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIMiddleware.<Invoke>d__5.MoveNext() + 0xaa
--- End of stack trace from previous location ---
   at AssetRipper.GUI.Web.ErrorHandlingMiddleware.<InvokeAsync>d__0.MoveNext() + 0x4e

[yuandere]

I fixed this by down grading a few versions.

what version? i'm also running into the same issue with bonelab