[IGNITE-12860] .NET: NullReferenceException when serializing fields of the same type in different order

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.8
• Fix Version/s: 2.9, 2.8.1
• Component/s: platforms
• Labels: .NET sbcf
• Assignee: Pavel Tupitsyn
• Reporter: Alexey Kukushkin
• Created: 02/Apr/20 22:01
• Updated: 03/Apr/20 13:09
• Resolved: 03/Apr/20 13:09

Description

.NET NullReferenceException when serializing fields of the same type in different order

Steps to reproduce:

• Implement IBinarizable for a type having multiple fields and randomly select subset of the fields in the  IBinarizable.WriteBinary implementation
• Serialize the type multiple times

Actual result:

Eventual NullReferenceException at some iteration of serialization:

Object reference not set to an instance of an object.  at Apache.Ignite.Core.Impl.Binary.Structure.BinaryStructure.GetFieldId(String fieldName, Byte fieldType, Int32& pathIdx, Int32 actionIdx)   at Apache.Ignite.Core.Impl.Binary.Structure.BinaryStructureTracker.GetFieldId(String fieldName, Byte fieldTypeId)   at Apache.Ignite.Core.Impl.Binary.BinaryWriter.WriteFieldId(String fieldName, Byte fieldTypeId)   at Apache.Ignite.Core.Impl.Binary.BinaryWriter.WriteInt(String fieldName, Int32 val)   at 

Issue Links

• links to: GitHub Pull Request #7621