构建Azure功能项目时收到此警告。堆栈跟踪中没有太多细节。谁能帮我弄清楚这个错误吗?
> CSC : warning AD0001: Analyzer
> 'Microsoft.Azure.WebJobs.Extensions.DurableTask.Analyzers.FunctionAnalyzer'
> threw an exception of type 'System.NullReferenceException' with
> message 'Object reference not set to an instance of an object.'.
这是堆栈跟踪,如果有帮助的话:
> Severity Code Description Project File Line Suppression State Detail
> Description Warning AD0001 Analyzer
> 'Microsoft.Azure.WebJobs.Extensions.DurableTask.Analyzers.FunctionAnalyzer'
> threw an exception of type 'System.NullReferenceException' with
> message 'Object reference not set to an instance of an
> object.'.
1 Active Analyzer
> 'Microsoft.Azure.WebJobs.Extensions.DurableTask.Analyzers.FunctionAnalyzer'
> threw the following exception: 'Exception occurred with following
> context: Compilation:
>
> System.NullReferenceException: Object reference not set to an instance
> of an object. at
> Microsoft.Azure.WebJobs.Extensions.DurableTask.Analyzers.ArgumentAnalyzer.TryGetInputFromDurableContextCall(SemanticModel
> semanticModel, SyntaxNode definitionInput, SyntaxNode&
> inputFromContext) at
> Microsoft.Azure.WebJobs.Extensions.DurableTask.Analyzers.ArgumentAnalyzer.TryGetDefinitionInputType(SemanticModel
> semanticModel, ActivityFunctionDefinition functionDefinition,
> ITypeSymbol& definitionInputType) at
> Microsoft.Azure.WebJobs.Extensions.DurableTask.Analyzers.ArgumentAnalyzer.ReportProblems(CompilationAnalysisContext
> context, SemanticModel semanticModel, IEnumerable`1
> availableFunctions, IEnumerable`1 calledFunctions) at
> Microsoft.Azure.WebJobs.Extensions.DurableTask.Analyzers.FunctionAnalyzer.RegisterAnalyzers(CompilationAnalysisContext
> context) at
> Microsoft.CodeAnalysis.Diagnostics.AnalyzerExecutor.<>c.<ExecuteCompilationActionsCore>b__46_1(ValueTuple`2
> data) at
> Microsoft.CodeAnalysis.Diagnostics.AnalyzerExecutor.ExecuteAndCatchIfThrows_NoLock[TArg](DiagnosticAnalyzer
> analyzer, Action`1 analyze, TArg argument, Nullable`1 info)
> ----- '.
DurableTask分析器是Roslyn分析器,在使用Durable Functions时可以检查您的代码是否不一致,以帮助您防止常见错误。现在,它是DurableFunctions扩展的一部分。
您是否正在使用最新版本的持久功能v2.2.1?该版本包含DurableTask Analyzer v0.2.1的最新版本作为依赖项,并且似乎其中存在导致异常的错误。
您可以删除Microsoft.Azure.WebJobs.Extensions.DurableTask.Analyzers
依赖项作为一种解决方法,以避免按以下方式获取此异常:
C:\Users\%User%\.nuget\packages\microsoft.azure.webjobs.extensions.durabletask\2.2.1
nuspec
文件,并注释掉(或删除)Microsoft.Azure.WebJobs.Extensions.DurableTask.Analyzers
的两个依赖项,.NETFramework4.6.1
的一个依赖项,和.NETStandard2.0
的一个依赖项。我和您遇到同样的错误。我将在GitHub处检查问题,如果尚未完成,将在其中添加新的问题。
更新:GH issue已创建。