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Occasional blank map when loading from Portal using IWA with 100.3

Question asked by mangoyoga on Dec 20, 2018
Latest reply on Jan 2, 2019 by mangoyoga

Hi,

 

We occasionally experience an issue where the map is blank when loading from portal, using Integrated Windows Authentication. I do not know if this is the actual culprit, but it is the best lead I have. Unfortunately I do not have a lot of information to go on, and no direct access to production logs.

 

Graphics in GraphicsOverlays are drawn, but the map itself is blank, and my layer list is empty. My map has spatial reference, however I am not not sure which one. I assume 4326, since that is the reference system of my graphics. I am unable to locate any exceptions related to loading maps in my client log. 

 

The problem seems to occur when starting application immediately after logon, but this is in no way consistent. Restarting the application resolves the issue.

 

Based on the time this occurs, I can find the following in the web server logs (error 401), but unfortunately I am not 100% sure if these messages actually relate to the user who experienced the issue, but it is the only iffy thing that could be found at the actual time the problem occurred 

2018-11-22 09:37:29 10.163.24.55 GET /portal/sharing/rest/portals/self f=json 443 - 10.11.12.13 ArcGISRuntime-NET/100.3+(Windows+6.3.9600;+Win64;+.NET+4.7.1) http://myApplication.app/ 401 2 5 1
2018-11-22 09:37:29 10.163.24.55 GET /portal/sharing/rest/community/users/ABC123@DOMAIN f=json 443 - 10.11.12.13 ArcGISRuntime-NET/100.3+(Windows+6.3.9600;+Win64;+.NET+4.7.1) http://myApplication.app/ 401 2 5 2
2018-11-22 09:37:30 10.163.24.55 GET /portal/sharing/rest/content/items/d79f5f97ce8d40c2994ebd4c7307edcc f=json 443 - 10.11.12.13 ArcGISRuntime-NET/100.3+(Windows+6.3.9600;+Win64;+.NET+4.7.1) http://myApplication.app/ 401 2 5 2
2018-11-22 09:37:30 10.163.24.55 GET /portal/sharing/rest/content/items/d4cc357bf7ae4063b9f605fc1bfb917c f=json 443 - 10.11.12.13 ArcGISRuntime-NET/100.3+(Windows+6.3.9600;+Win64;+.NET+4.7.1) http://myApplication.app/ 401 2 5 1
2018-11-22 09:37:30 10.163.24.55 GET /portal/sharing/rest/content/items/b561528f264b49d98a231db6502750ed f=json 443 - 10.11.12.13 ArcGISRuntime-NET/100.3+(Windows+6.3.9600;+Win64;+.NET+4.7.1) http://myApplication.app/ 401 2 5 0
2018-11-22 09:37:30 10.163.24.55 GET /portal/sharing/rest/content/items/5fe32ae4389f446d9a2c5737a191ccff f=json 443 - 10.11.12.13 ArcGISRuntime-NET/100.3+(Windows+6.3.9600;+Win64;+.NET+4.7.1) http://myApplication.app/ 401 2 5 0
2018-11-22 09:37:30 10.163.24.55 GET /portal/sharing/rest/content/items/d3bf554220c949ec858a8bc2f3834422 f=json 443 - 10.11.12.13 ArcGISRuntime-NET/100.3+(Windows+6.3.9600;+Win64;+.NET+4.7.1) http://myApplication.app/ 401 2 5 2
2018-11-22 09:37:30 10.163.24.55 GET /portal/sharing/rest/content/items/05b13feaee42419ba0302b77a02c4520 f=json 443 - 10.11.12.13 ArcGISRuntime-NET/100.3+(Windows+6.3.9600;+Win64;+.NET+4.7.1) http://myApplication.app/ 401 2 5 2
2018-11-22 09:37:30 10.163.24.55 GET /portal/sharing/rest/content/items/0d80403a114a40a1873ff31265fe553c f=json 443 - 10.11.12.13 ArcGISRuntime-NET/100.3+(Windows+6.3.9600;+Win64;+.NET+4.7.1) http://myApplication.app/ 401 2 5 2
2018-11-22 09:37:30 10.163.24.55 GET /portal/sharing/rest/content/items/b561528f264b49d98a231db6502750ed f=json 443 DOMAIN\ABC123 10.11.12.13 ArcGISRuntime-NET/100.3+(Windows+6.3.9600;+Win64;+.NET+4.7.1) http://myApplication.app/ 200 0 0 134
2018-11-22 09:37:31 10.163.24.55 GET /portal/sharing/rest/content/items/05b13feaee42419ba0302b77a02c4520 f=json 443 DOMAIN\ABC123 10.11.12.13 ArcGISRuntime-NET/100.3+(Windows+6.3.9600;+Win64;+.NET+4.7.1) http://myApplication.app/ 200 0 0 151
2018-11-22 09:37:31 10.163.24.55 GET /portal/sharing/rest/content/items/8691e1f36bfc413789f9585c94c5ebe0 f=json 443 DOMAIN\ABC123 10.11.12.13 ArcGISRuntime-NET/100.3+(Windows+6.3.9600;+Win64;+.NET+4.7.1) http://myApplication.app/ 200 0 0 223
2018-11-22 09:37:31 10.163.24.55 GET /portal/sharing/rest/content/items/7121939e6ee54730bdf3a44bd0c64fa4 f=json 443 DOMAIN\ABC123 10.11.12.13 ArcGISRuntime-NET/100.3+(Windows+6.3.9600;+Win64;+.NET+4.7.1) http://myApplication.app/ 200 0 0 269

 

I do not have single sign on in my development environment, so I have tried to recreate the issue by changing permissions for a Web Map, or individual layers, but that result in exceptions in my logs, and example message from the server (HTTP status 200) 

{"error":{"code":403,"messageCode":"GWM_0003","message":"You do not have permissions to access this resource or perform this operation.","details":[]}}.

 

Does anyone have any suggestions on where to start investigating, or what this issue might be?

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