topic Re: ArcGIS Engine 10 license Checkout with WCF in ArcObjects SDK Questions

ArcGIS Engine 10 license Checkout with WCF

sidd — Wed, 04 Jul 2012 10:34:43 GMT

Hello

I am trying to write the licensing module of our mapping application. I am trying to checkout ArcGIS Engine license using a WCF Service. I have observed that when the licensing logic is in a WCF Service, the call to checkout license fails with an error "ArcGIS Licensing handle error". Any one has idea about this error and its resolution?

Re: ArcGIS Engine 10 license Checkout with WCF

FengZhang2 — Thu, 05 Jul 2012 17:48:29 GMT

The use of ArcObjects within a .NET Windows Service is not currently supported under any ESRI product or developer license. Please see the following tech article:

Can .NET Windows Services be created with ArcObjects? - http://support.esri.com/en/knowledgebase/techarticles/detail/29473

Hello

I am trying to write the licensing module of our mapping application. I am trying to checkout ArcGIS Engine license using a WCF Service. I have observed that when the licensing logic is in a WCF Service, the call to checkout license fails with an error "ArcGIS Licensing handle error". Any one has idea about this error and its resolution?

Re: ArcGIS Engine 10 license Checkout with WCF

RichardWatson — Thu, 05 Jul 2012 23:26:43 GMT

There are a couple of issues here.

The first is whether or not using the ESRI software in the manner that you are trying to is permitted under the licensing terms and conditions. I don't think that it is although you did not describe the exact details of what you are doing and how you are doing it.

The second issue is whether or not doing what you are trying to do is technically possible.

If you are running your application as a Windows service then there are some unique things about executing in that context:

It typically runs using the System account which is special. This account is very powerful locally but has no access to any network resources. If you are using this account then try using an account that you can run ArcMap with to see if this is the problem.

It runs in an invisible Windows Station. It the software tries to display a modal dialog then it will either throw an exception or simply hang. You might try playing with the various options to make the UI visible.

I have experienced different behavior when running as a service than when running interactively. For example, priorites can be different. I also believe that there are resource differences as well.

Why don't you post the exact error that you are getting, i.e. the full error details.

Re: ArcGIS Engine 10 license Checkout with WCF

sidd — Fri, 13 Jul 2012 05:29:21 GMT

Although as mentioned by feng, we may not use ArcObjects using licensing. However, the service that I have created was running from Network Service account. As per rlwatson when I changed the account to local user account, the call to checkout licensing was successful and my problem was resolved.

Thanks a lot for your help