UANodeSetValidation.Extensions.GetObject - object reference not set

[mpostol]

Describe the bug

"UANodeSetValidation";Warning;43988162;;"Trace: Warning, Error Focus: NonCategorized, Identifier: P0-0002010000 Description: General processing error see trace for details. Error caught while processing the node ns=2;i=1001. The message: Object reference not set to an instance of an object. at    at UAOOI.SemanticData.UANodeSetValidation.Extensions.GetObject[type](XmlElement xmlElement) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\Extensions.cs:line 340
   at UAOOI.SemanticData.UANodeSetValidation.Extensions.GetParameters(XmlElement xmlElement) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\Extensions.cs:line 220
   at UAOOI.SemanticData.UANodeSetValidation.Validator.GetParameters(XmlElement arguments) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\Validator.cs:line 324
   at UAOOI.SemanticData.UANodeSetValidation.Validator.<Update>b__11_0(XmlElement x) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\Validator.cs:line 208
   at UAOOI.SemanticData.UAModelDesignExport.MethodInstanceFactoryBase.RemoveArguments(String parameterKind, Func`2 getParameters) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UAModelDesignExport\MethodInstanceFactoryBase.cs:line 151
   at UAOOI.SemanticData.UAModelDesignExport.MethodInstanceFactoryBase.AddInputArguments(Func`2 argument) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UAModelDesignExport\MethodInstanceFactoryBase.cs:line 72
   at UAOOI.SemanticData.UANodeSetValidation.Validator.Update(IMethodInstanceFactory nodeDesign, UAMethod nodeSet, UAReferenceContext parentReference) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\Validator.cs:line 208
   at UAOOI.SemanticData.UANodeSetValidation.Validator.<>c__DisplayClass2_0.<ValidateExportNode>b__1(IMethodInstanceFactory x, UAMethod y) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\Validator.cs:line 78
   at UAOOI.SemanticData.UANodeSetValidation.Validator.CreateNode[FactoryType,NodeSetType](Func`1 createNode, IUANodeBase nodeContext, Action`2 updateNode, Action`3 updateBase) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\Validator.cs:line 278
   at UAOOI.SemanticData.UANodeSetValidation.Validator.ValidateExportNode(IUANodeBase nodeContext, INodeContainer exportFactory, UAReferenceContext parentReference) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\Validator.cs:line 78
   at UAOOI.SemanticData.UANodeSetValidation.UANodeContext.UAOOI.SemanticData.UANodeSetValidation.IUANodeBase.CalculateNodeReferences(INodeFactory nodeFactory, IValidator validator) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\UANodeContext.cs:line 210
   at UAOOI.SemanticData.UANodeSetValidation.Validator.CreateNode[FactoryType,NodeSetType](Func`1 createNode, IUANodeBase nodeContext, Action`2 updateNode, Action`3 updateBase) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\Validator.cs:line 254
   at UAOOI.SemanticData.UANodeSetValidation.Validator.ValidateExportNode(IUANodeBase nodeContext, INodeContainer exportFactory, UAReferenceContext parentReference) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\Validator.cs:line 82
   at UAOOI.SemanticData.UANodeSetValidation.UANodeContext.UAOOI.SemanticData.UANodeSetValidation.IUANodeBase.CalculateNodeReferences(INodeFactory nodeFactory, IValidator validator) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\UANodeContext.cs:line 210
   at UAOOI.SemanticData.UANodeSetValidation.Validator.CreateNode[FactoryType,NodeSetType](Func`1 createNode, IUANodeBase nodeContext, Action`2 updateNode, Action`3 updateBase) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\Validator.cs:line 254
   at UAOOI.SemanticData.UANodeSetValidation.Validator.ValidateExportNode(IUANodeBase nodeContext, INodeContainer exportFactory, UAReferenceContext parentReference) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\Validator.cs:line 86
   at UAOOI.SemanticData.UANodeSetValidation.Validator.ValidateExportNode(IUANodeBase nodeContext, INodeContainer exportFactory) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\Validator.cs:line 43
   at UAOOI.SemanticData.UANodeSetValidation.AddressSpaceContext.ValidateAndExportModel(Int32 nameSpaceIndex) in C:\VS.git\UAOOI\OPC-UA-OOI\SemanticData\UANodeSetValidation\AddressSpaceContext.cs:line 323.";;;;"2021-08-09T08:01:48.2553612Z";;

To Reproduce

Recover model from Opc.Ua.PLCopen.NodeSet2_V1.02.xml

Expected behavior

If there is a model error no exception must be thrown

Tasks

• Add anchor to point out where the error is located
• analysse problem
• Add Unit Test
• fix problem