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From "Kai Walter (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (TINKERPOP-1952) using Gremlin.Net in .NET Framework 4.61 sample console app GremlinSampleNet results in exception
Date Tue, 01 May 2018 17:54:00 GMT

     [ https://issues.apache.org/jira/browse/TINKERPOP-1952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kai Walter updated TINKERPOP-1952:
----------------------------------
    Description: 
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()" },

 

 

  was:
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.

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()" },

 

 


> 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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