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https://issues.apache.org/jira/browse/TINKERPOP-1952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Kai Walter closed TINKERPOP-1952.
---------------------------------
Resolution: Not A Problem
problem in CosmosDB Gremlin backend
> using Gremlin.Net in .NET Framework 4.61 sample console app GremlinSampleNet
> results in exception
> -------------------------------------------------------------------------------------------------
>
> Key: TINKERPOP-1952
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1952
> Project: TinkerPop
> Issue Type: Bug
> Components: dotnet
> Affects Versions: 3.3.2
> Environment: Windows Server 2016 1607
> Reporter: Kai Walter
> Priority: Major
>
> I wanted to use Gremlin.Net in Azure Functions and stumbled over [this
> problem|https://stackoverflow.com/questions/49923888/could-not-load-file-or-assembly-system-reflection-typeextensions-version-4-0-0].
> When downloading and running the sample
>
> [https://github.com/Azure-Samples/azure-cosmos-db-graph-gremlindotnet-getting-started]
> on my machine I run into this error in {{program.cs}} line 64:
> System.AggregateException
> HResult=0x80131500
> Message=One or more errors occurred.
> Source=mscorlib
> StackTrace:
> at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean
> includeTaskCanceledExceptions)
> at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout,
> CancellationToken cancellationToken)
> at System.Threading.Tasks.Task.Wait()
> at GremlinNetSample.Program.Main(String[] args) in
> C:\Users\Y1WLE\src\Microsoft\azure-cosmos-db-graph-gremlindotnet-getting-started\GremlinNetSample\Program.cs:line
> 65
> {color:#ff0000}Inner Exception 1:
> NullReferenceException: Object reference not set to an instance of an
> object.{color}{color:#ff0000} {color}
> When cloning Gremlin.Net and referencing it in the sample app, I can narrow
> it down to {{Connection.cs}} line 89, where {{received}} gets returned null
> on the 2nd iteration / after the authorize iteration.
> My settings:
> private static string hostname =
> "\{mycosmosdbaccount}.gremlin.cosmosdb.azure.com";
> private static int port = 443;
> private static string authKey = "\{mycosmosdbprimarykey}";
> private static string database = "graph1";
> private static string collection = "customer360";
> I also tried with a adding a basic statement in {{program.cs}} line 29:
> { "Simple", "1=1" },
> { "Cleanup", "g.V().drop()" },
>
>
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