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THUANTRU.HANG avatar image
16 ●3 ●2 ●7

C# DSS : An error occurred while sending the request

Hi,

I have downloaded the ".Net SDK Tutorial 1: Connection to the DSS server" from

https://developers.thomsonreuters.com/datascope-select-dss/datascope-select-rest-api/learning?content=5730&type=learning_material_item

When I run restful_api_core_gui_starter.exe, the program interrupts at

string sessionToken = extractionsContext.SessionToken;

and MSVS 2013 shows an exception

I have a DSS account with it I can login to DSS https://hosted.datascope.reuters.com/DataScope/

without any problem.

Does anyone can give me a hint, why it happens ?

Thanks in advance.

Tru

dss-rest-apidatascope-selectdssc#
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Alex Putkov.1 avatar image   Alex Putkov.1

@THUANTRU.HANG
Thank you for your participation in the forum. Are the replies below satisfactory in resolving your query? If yes please click the 'Accept' text next to the reply. This will guide all community members who have a similar question. Otherwise please post again offering further insight into your question.
Thanks,
-AHS

wasin.w avatar image   wasin.w

Hi @THUANTRU.HANG

Thank you for your participation in the forum. Is the reply below satisfactory in resolving your query?

If so please can you click the 'Accept' text next to the appropriate reply. This will guide all community members who have a similar question.

Thanks,

AHS

Nipat Kunvutipongsak avatar image   Nipat Kunvutipongsak

Please be informed that a reply has been verified as correct in answering the question, and has been marked as such.

Thanks,

AHS

3 Answers

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Jirapongse avatar image
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@THUANTRU.HANG

Have you used DSS .NET SDK version 11.3?

You can download it from here.

The code looks like:

ExtractionsContext extractionsContext =
                 new ExtractionsContext(dssUri, dssUserName, dssUserPassword);

WebProxy proxy = new WebProxy("http://proxy:port/", true);
proxy.Credentials = new NetworkCredential("proxyuser", "proxypassword");
extractionsContext.Options.Proxy = proxy;
extractionsContext.Options.UseProxy = true;

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THUANTRU.HANG avatar image THUANTRU.HANG

Hi Jirapongse,

thank for your hints.

After adding proxy credential it works fine.

Regards,

Tru

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steven.peng avatar image
426 ●2 ●4 ●4

Hi, @THUANTRU.HANG

Please inspect the detail exception message and post it here. The message should contain the reason why the exception was invoked.

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THUANTRU.HANG avatar image
16 ●3 ●2 ●7

Hi Steven,

it seems a problem with the proxy authentication.

The InnerException message shows:

"The remote server returned an error: (407) Proxy Authentication Required."

But how can I fix it ?

I can't find any hint in the documentation.

Thanks for your help

Tru


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