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https://issues.apache.org/jira/browse/IGNITE-8588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16805704#comment-16805704
]
Pavel Tupitsyn commented on IGNITE-8588:
----------------------------------------
[~ashapkin] see some comments in the PR.
In general, I think we only need to improve the exception message, no need to
change anything else.
Add logic inside `if (idMap.ContainsKey(fieldId))` to get the issue root cause.
We have `field` and we have conflicting one from `var otherField =
idMap[fieldId]`.
* If field.Name == otherField.Name, include something like
"otherField.DeclaringType derives from field.DeclaringType and hides field
field.Name from base class. Ignite can not serialize two fields with the same
name." in the exception message, preserving existing details
* if field.Name != otherField.Name, it means that IBinaryNameMapper or
IBinaryIdMapper caused two fields with different names to be mapped to the same
id. We should explain this as well in a user-friendly manner.
> .NET: Serialization issue when derived type hides base type member
> ------------------------------------------------------------------
>
> Key: IGNITE-8588
> URL: https://issues.apache.org/jira/browse/IGNITE-8588
> Project: Ignite
> Issue Type: Bug
> Components: platforms
> Affects Versions: 2.4
> Reporter: Pavel Tupitsyn
> Assignee: Alexandr Shapkin
> Priority: Major
> Labels: .NET
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The following class structure causes an exception that is hard to understand
> (when putting instance of B into Ignite cache):
> {code}
> public class A
> {
> public int bob;
> }
> public class B : A
> {
> public int bob;
> }
> {code}
> Exception:
> {code}
> Apache.Ignite.Core.Binary.BinaryObjectException: Conflicting field IDs
> [type=SubGridsRequestArgument, field1=Filters, field2=Filters,
> fieldId=-854547461]
> at
> Apache.Ignite.Core.Impl.Binary.BinaryReflectiveSerializerInternal.Register(Type
> type, Int32 typeId, IBinaryNameMapper converter, IBinaryIdMapper idMapper,
> Boolean forceTimestamp)
> at
> Apache.Ignite.Core.Impl.Binary.Marshaller.GetSerializer(BinaryConfiguration
> cfg, BinaryTypeConfiguration typeCfg, Type type, Int32 typeId,
> IBinaryNameMapper nameMapper, IBinaryIdMapper idMapper, ILogger log)
> at Apache.Ignite.Core.Impl.Binary.Marshaller.AddUserType(Type type, Int32
> typeId, String typeName, Boolean registered, BinaryFullTypeDescriptor desc)
> at Apache.Ignite.Core.Impl.Binary.Marshaller.RegisterType(Type type,
> BinaryFullTypeDescriptor desc)
> at Apache.Ignite.Core.Impl.Binary.Marshaller.GetDescriptor(Type type)
> at Apache.Ignite.Core.Impl.Binary.BinaryWriter.Write[T](T obj)
> at
> Apache.Ignite.Core.Impl.Deployment.PeerLoadingExtensions.WriteWithPeerDeployment(BinaryWriter
> writer, Object o)
> at
> Apache.Ignite.Core.Impl.Binary.BinarySystemTypeSerializer`1.WriteBinary[T1](T1
> obj, BinaryWriter writer)
> at Apache.Ignite.Core.Impl.Binary.BinaryWriter.Write[T](T obj)
> at
> Apache.Ignite.Core.Impl.Binary.BinarySystemTypeSerializer`1.WriteBinary[T1](T1
> obj, BinaryWriter writer)
> at Apache.Ignite.Core.Impl.Binary.BinaryWriter.Write[T](T obj)
> at Apache.Ignite.Core.Impl.Binary.BinaryWriter.WriteObjectDetached[T](T o)
> at Apache.Ignite.Core.Impl.Compute.ComputeImpl.WriteJob(IComputeJob job,
> BinaryWriter writer)
> at
> Apache.Ignite.Core.Impl.Compute.ComputeImpl.<>c__DisplayClass1d`3.<ExecuteClosures0>b__1a(BinaryWriter
> writer)
> at Apache.Ignite.Core.Impl.PlatformTargetAdapter.WriteToStream(Action`1
> action, IBinaryStream stream, Marshaller marsh)
> at Apache.Ignite.Core.Impl.PlatformJniTarget.InStreamOutObject(Int32 type,
> Action`1 writeAction)
> at
> Apache.Ignite.Core.Impl.Compute.ComputeImpl.ExecuteClosures0[TArg,TJobRes,TReduceRes](IComputeTask`3
> task, IComputeJob job, IEnumerable`1 jobs, Int32 opId, Int32 jobsCount,
> Action`1 writeAction)
> --- End of inner exception stack trace ---
> at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean
> includeTaskCanceledExceptions)
> at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout,
> CancellationToken cancellationToken)
> at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout)
> at VSS.TRex.GridFabric.Requests.SubGridRequestsProgressive`2.Execute() in
> C:\Dev\VSS.TRex\src\netstandard\RaptorClassLibrary.netstandard\GridFabric\Requests\SubGridRequestsProgressive.cs:line
> 107
> at VSS.TRex.Pipelines.SubGridPipelineBase`3.Initiate() in
> C:\Dev\VSS.TRex\src\netstandard\RaptorClassLibrary.netstandard\Pipelines\SubGridPipelineBase.cs:line
> 241
> at VSS.TRex.Rendering.PlanViewTileRenderer.ExecutePipeline() in
> C:\Dev\VSS.TRex\src\netstandard\RaptorClassLibrary.netstandard\Rendering\PlanViewTileRenderer.cs:line
> 262
> ---> (Inner Exception #0) Apache.Ignite.Core.Binary.BinaryObjectException:
> Conflicting field IDs [type=SubGridsRequestArgument, field1=Filters,
> field2=Filters, fieldId=-854547461]
> at
> Apache.Ignite.Core.Impl.Binary.BinaryReflectiveSerializerInternal.Register(Type
> type, Int32 typeId, IBinaryNameMapper converter, IBinaryIdMapper idMapper,
> Boolean forceTimestamp)
> at
> Apache.Ignite.Core.Impl.Binary.Marshaller.GetSerializer(BinaryConfiguration
> cfg, BinaryTypeConfiguration typeCfg, Type type, Int32 typeId,
> IBinaryNameMapper nameMapper, IBinaryIdMapper idMapper, ILogger log)
> at Apache.Ignite.Core.Impl.Binary.Marshaller.AddUserType(Type type, Int32
> typeId, String typeName, Boolean registered, BinaryFullTypeDescriptor desc)
> at Apache.Ignite.Core.Impl.Binary.Marshaller.RegisterType(Type type,
> BinaryFullTypeDescriptor desc)
> at Apache.Ignite.Core.Impl.Binary.Marshaller.GetDescriptor(Type type)
> at Apache.Ignite.Core.Impl.Binary.BinaryWriter.Write[T](T obj)
> at
> Apache.Ignite.Core.Impl.Deployment.PeerLoadingExtensions.WriteWithPeerDeployment(BinaryWriter
> writer, Object o)
> at
> Apache.Ignite.Core.Impl.Binary.BinarySystemTypeSerializer`1.WriteBinary[T1](T1
> obj, BinaryWriter writer)
> at Apache.Ignite.Core.Impl.Binary.BinaryWriter.Write[T](T obj)
> at
> Apache.Ignite.Core.Impl.Binary.BinarySystemTypeSerializer`1.WriteBinary[T1](T1
> obj, BinaryWriter writer)
> at Apache.Ignite.Core.Impl.Binary.BinaryWriter.Write[T](T obj)
> at Apache.Ignite.Core.Impl.Binary.BinaryWriter.WriteObjectDetached[T](T o)
> at Apache.Ignite.Core.Impl.Compute.ComputeImpl.WriteJob(IComputeJob job,
> BinaryWriter writer)
> at
> Apache.Ignite.Core.Impl.Compute.ComputeImpl.<>c__DisplayClass1d`3.<ExecuteClosures0>b__1a(BinaryWriter
> writer)
> at Apache.Ignite.Core.Impl.PlatformTargetAdapter.WriteToStream(Action`1
> action, IBinaryStream stream, Marshaller marsh)
> at Apache.Ignite.Core.Impl.PlatformJniTarget.InStreamOutObject(Int32 type,
> Action`1 writeAction)
> at
> Apache.Ignite.Core.Impl.Compute.ComputeImpl.ExecuteClosures0[TArg,TJobRes,TReduceRes](IComputeTask`3
> task, IComputeJob job, IEnumerable`1 jobs, Int32 opId, Int32 jobsCount,
> Action`1 writeAction)<---
> {code}
> See user list thread for more details:
> http://apache-ignite-users.70518.x6.nabble.com/Binary-type-has-different-fields-error-td21540.html
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