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Type:
Bug
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Resolution: Done
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: LINQ
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It appears to be a bug inside the interpretation of AsQueryable. The inner-most InnerException is
The binary operator Equal is not defined for the types 'System.Boolean' and 'System.Nullable`1[System.Boolean]'.
The full stack trace is below.
<Error> <Message>An error has occurred.</Message> <ExceptionMessage> The 'ObjectContent`1' type failed to serialize the response body for content type 'application/xml; charset=utf-8'. </ExceptionMessage> <ExceptionType>System.InvalidOperationException</ExceptionType> <StackTrace/> <InnerException> <Message>An error has occurred.</Message> <ExceptionMessage> The binary operator Equal is not defined for the types 'System.Boolean' and 'System.Nullable`1[System.Boolean]'. </ExceptionMessage> <ExceptionType>System.InvalidOperationException</ExceptionType> <StackTrace> at System.Linq.Expressions.Expression.GetEqualityComparisonOperator(ExpressionType binaryType, String opName, Expression left, Expression right, Boolean liftToNull) at System.Linq.Expressions.Expression.Equal(Expression left, Expression right, Boolean liftToNull, MethodInfo method) at System.Linq.Expressions.Expression.MakeBinary(ExpressionType binaryType, Expression left, Expression right, Boolean liftToNull, MethodInfo method, LambdaExpression conversion) at System.Linq.Expressions.Expression.MakeBinary(ExpressionType binaryType, Expression left, Expression right, Boolean liftToNull, MethodInfo method) at MongoDB.Driver.Linq.ExpressionVisitor.VisitBinary(BinaryExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 163 at MongoDB.Driver.Linq.ExpressionNormalizer.VisitBinary(BinaryExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionNormalizer.cs:line 148 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 82 at MongoDB.Driver.Linq.ExpressionVisitor.VisitLambda(LambdaExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 273 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 96 at MongoDB.Driver.Linq.ExpressionVisitor.VisitUnary(UnaryExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 520 at MongoDB.Driver.Linq.ExpressionNormalizer.VisitUnary(UnaryExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionNormalizer.cs:line 158 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 58 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(ReadOnlyCollection`1 nodes) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 123 at MongoDB.Driver.Linq.ExpressionVisitor.VisitMethodCall(MethodCallExpression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 436 at MongoDB.Driver.Linq.ExpressionVisitor.Visit(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionVisitor.cs:line 94 at MongoDB.Driver.Linq.ExpressionNormalizer.Normalize(Expression node) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Expressions\ExpressionNormalizer.cs:line 49 at MongoDB.Driver.Linq.MongoQueryTranslator.Translate(MongoQueryProvider provider, Expression expression) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\Translators\MongoQueryTranslator.cs:line 47 at MongoDB.Driver.Linq.MongoQueryProvider.Execute(Expression expression) in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\MongoQueryProvider.cs:line 151 at MongoDB.Driver.Linq.MongoQueryable`1.GetEnumerator() in C:\Users\Admin\GitHub\mongo-csharp-driver\src\MongoDB.Driver\Linq\MongoQueryable.cs:line 80 at System.Net.Http.Formatting.DelegatingEnumerable`1.GetEnumerator() at WriteArrayOfentryToXml(XmlWriterDelegator , Object , XmlObjectSerializerWriteContext , CollectionDataContract ) at System.Runtime.Serialization.CollectionDataContract.WriteXmlValue(XmlWriterDelegator xmlWriter, Object obj, XmlObjectSerializerWriteContext context) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.WriteDataContractValue(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeWithoutXsiType(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle) at System.Runtime.Serialization.DataContractSerializer.InternalWriteObjectContent(XmlWriterDelegator writer, Object graph, DataContractResolver dataContractResolver) at System.Runtime.Serialization.DataContractSerializer.InternalWriteObject(XmlWriterDelegator writer, Object graph, DataContractResolver dataContractResolver) at System.Runtime.Serialization.XmlObjectSerializer.WriteObjectHandleExceptions(XmlWriterDelegator writer, Object graph, DataContractResolver dataContractResolver) at System.Runtime.Serialization.DataContractSerializer.WriteObject(XmlWriter writer, Object graph) at System.Net.Http.Formatting.XmlMediaTypeFormatter.WriteToStream(Type type, Object value, Stream writeStream, HttpContent content) at System.Net.Http.Formatting.XmlMediaTypeFormatter.WriteToStreamAsync(Type type, Object value, Stream writeStream, HttpContent content, TransportContext transportContext, CancellationToken cancellationToken) --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter.GetResult() at System.Web.Http.WebHost.HttpControllerHandler.<WriteBufferedResponseContentAsync>d__1b.MoveNext() </StackTrace> </InnerException> </Error>