[TINKERPOP-2304] gremlin.net System.NullReferenceException on SubmitAsync in iOS platform

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 3.4.1, 3.4.2, 3.3.8, 3.4.3
• Component/s: dotnet
• Assignee: Unassigned
• Reporter: Juha Haapsaari
• Created: 06/Oct/19 11:57
• Updated: 07/Oct/19 07:25
• Resolved: 07/Oct/19 07:25

Description

Null reference exception thrown on iOS platform (Xamarin Forms project) where same code works on Android and UWP. Connection is to Azure Cosmos DB. Stack trace:

{System.NullReferenceException: Object reference not set to an instance of an object
at Gremlin.Net.Driver.Connection.Parse (System.Byte[] received) [0x00017] in /home/smallette/git/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Driver/Connection.cs:127
at Gremlin.Net.Driver.Connection.ReceiveMessagesAsync () [0x0008e] in /home/smallette/git/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Driver/Connection.cs:107
at Gremlin.Net.Driver.ProxyConnection.SubmitAsync[T] (Gremlin.Net.Driver.Messages.RequestMessage requestMessage) [0x00032] in /home/smallette/git/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Driver/ProxyConnection.cs:44
at Gremlin.Net.Driver.GremlinClient.SubmitAsync[T] (Gremlin.Net.Driver.Messages.RequestMessage requestMessage) [0x000b1] in /home/smallette/git/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Driver/GremlinClient.cs:85
at Gremlin.Net.Driver.GremlinClientExtensions.SubmitAsync[T] (Gremlin.Net.Driver.IGremlinClient gremlinClient, System.String requestScript, System.Collections.Generic.Dictionary`2[TKey,TValue] bindings) [0x00066] in /home/smallette/git/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Driver/GremlinClientExtensions.cs:137
at Gremlin.Net.Driver.GremlinClientExtensions.SubmitWithSingleResultAsync[T] (Gremlin.Net.Driver.IGremlinClient gremlinClient, System.String requestScript, System.Collections.Generic.Dictionary`2[TKey,TValue] bindings) [0x00030] in /home/smallette/git/apache/tinkerpop/gremlin-dotnet/src/Gremlin.Net/Driver/GremlinClientExtensions.cs:57

Issue Links

• duplicates: TINKERPOP-2192 Gremlin.Net.Driver.Connection.Parse throws a NullReferenceException