topic Re: ExportWebMapTask Errors out on server in ArcGIS JavaScript Maps SDK Questions

ExportWebMapTask Errors out on server

JayHill — Wed, 26 Apr 2017 15:34:14 GMT

I'm trying to use the Print widget in the 4.3 JS API. I get the following errors when I test it out.

1. Error executing tool. Export Web Map Task Job ID: jf8ec59473f97475a9649aa039c01190b : Layer "Wetland Mapper": Unable to connect to map server at https://map.com/MapServer. Failed to execute (Export Web Map). Failed to execute (Export Web Map Task).

2. A connection with the server could not be established (WinINet Error while using HTTPS security, 12029), URL = https://map.com/MapServer?f=json

3. A connection with the server could not be established (WinINet Error while using HTTPS security, 12029), URL = https://map.com/arcgis/rest/info?f=json

I've tried using the default GP service and a custom one. Same errors on both. Also I have tried using http and https

Re: ExportWebMapTask Errors out on server

SolomonPulapkura — Wed, 26 Apr 2017 17:30:36 GMT

What security method are you using GIS-tier or web-tier? I would recommend using GIS-tier.

Also, you will need to embed user credentials in your print service.

Printing maps that contain secured services—Documentation (10.3 and 10.3.1) | ArcGIS Enterprise

Solomon Pulapkura

https://www.vestra.com/gis

Re: ExportWebMapTask Errors out on server

JayHill — Wed, 26 Apr 2017 20:39:49 GMT

I'm not using any secured services

Re: ExportWebMapTask Errors out on server

NicolasGIS — Thu, 27 Apr 2017 10:08:55 GMT

Seems like rather an SSL issue. Are your URLs configured with webadaptor or directly to ArcGIS Server through port 6443 ?

For the latter, you should update certificate using the admin API:

Activation du protocole SSL à l'aide d'un certificat SSL existant—Documentation (10.3 et 10.3.1) | ArcGIS Enterprise

Re: ExportWebMapTask Errors out on server

BugPie — Fri, 22 Sep 2017 16:13:43 GMT

Hi Jay - did you find a solution to your problem? I'm having the same issue in my custom web application. WE are utilizing the public FEMA NFHL service. When our application requests the data for display it works fine. We get the response and data draws.

However once I use our print button (built with the Export web map - Server GP tool) I receive the same error that you have posted.

The fun part (read as i'm losing my mind trying to fix) is that it works fine on my Beta but not on my Prod. I do have Portal federated with my server installed on Beta. I wonder if this is playing into the mix?

Re: ExportWebMapTask Errors out on server

BugPie — Wed, 27 Sep 2017 15:09:39 GMT

FWIW - I did find a solution to this issue. Our GIS server had an instance of I.E installed which was at version 9. When I upgraded this application to version 11 the security message that the GIS server was barking, went away and our maps printed. Nothing to do with the client side internet browser but the GIS server internet browser. I'm guessing there was a security upgrade/fix/patch with 11 that allowed our print service to work again.

yeah Microsoft.... ugh.

Re: ExportWebMapTask Errors out on server

JayHill — Mon, 30 Oct 2017 21:40:56 GMT

Collin

Thanks for the heads up! I am just now about to dive back into this issue. Testing Enterprise has had my full attention lately.

Re: ExportWebMapTask Errors out on server

BrittneyGibbons1 — Wed, 15 Nov 2017 01:41:46 GMT

Hi Jay,

Did you ever find a solution? We are having a similar problem on our server but it was not the same as Collin's issue above.

Re: ExportWebMapTask Errors out on server

JayHill — Wed, 15 Nov 2017 14:07:17 GMT

Hey Brittney, I have not had a chance to work on this yet, sorry. I'll keep

ya posted

Re: ExportWebMapTask Errors out on server

JYI — Wed, 14 Feb 2018 02:48:27 GMT

We are having the same issue:

MS IIS Reverse proxy server, two arcgis servers, web server (with web adapter and Portal for arcgis) are all located on the same subnet and DMZ.

We published a print service with templates.

The print service does not work in ESRI web appbuilder the Print widget.

The errors are:

1. A connection with the server could not be established (WinINet Error while using HTTPS security, 12029), URL = https://public-url/arcgis/rest/info?f=json

2. A connection with the server could not be established (WinINet Error while using HTTPS security, 12029), URL = https://public-url/arcgis/rest/services/folder/AClassA/MapServer?f=json

3. Error executing tool. Export Web Map : Layer "AClassA": Unable to connect to map server at https://public-url/arcgis/rest/services/folder/AClassA/MapServer. Failed to execute (ExportWebMap). Failed to execute (Export Web Map).

Could the experts in ESRI Redlands give some insights on the issue and provide possible solutions?

Thanks,

JYI

Re: ExportWebMapTask Errors out on server

JYI — Thu, 15 Feb 2018 16:21:02 GMT

With the great help from ESRI support, it turned out that there are two big issues with this print function:

1. Reverse proxy server configuration.

Since one error is from https://public-url/arcgis/rest/info?f=json, open this link from the browser and check the SOAP url or Token service url. The url does not point to https://public-url domain. Instead, they use the internal server name.

In the reference https://enterprise.arcgis.com/en/server/10.5/administer/windows/using-a-reverse-proxy-server-with-arcgis-server.htm, it shows that "If the X-Forwarded-Host header property is not set, ArcGIS Server and ArcGIS Web Adaptor may return the URL of the internal machine where the request was directed," which is exactly the part we missed in the Reverse Proxy Server configuration.

https://www.jetbrains.com/help/hub/Proxy-Configuration.html#IIS_Config is the reference for how to Configure the headers of your proxy server in IIS.

2. The ArcGIS Server for https://public-url/arcgis/rest/services/folder/AClassA/MapServer does not recognize the domain https://public-url . I.e., from a browser in the ArcGIS Server machine, https://public-url/arcgis/rest/services/folder/AClassA/MapServer is not accessible.

This is fixed by adding the ip address of the reverse proxy server and the public-url to C:\Windows\system32\drivers\etc\host and then restart the ArcGIS Server.

Re: ExportWebMapTask Errors out on server

JYI — Sat, 03 Mar 2018 07:48:02 GMT

Has anyone successfully configured Portal for ArcGIS with Microsoft IIS reverse proxy server to make Portal for ArcGIS publically accessible? I had problem with changing user Password in Portal for ArcGIS 10.5.1, using MS IIS reverse proxy server for public access.

Everything works fine, except if user trying to change their Password, after pressing Change password button, the url host name goes back to the internal server name, instead of the public domain name. I.e., https://aaawebapp01/arcgis/sharing/oauth2/resetPassword?oauth_state=qYQc9....., instead of https://public-url/arcgis/sharing/oauth2/resetPassword?oauth_state=qYQc9......

It seems to me that as the change password page is a form, the url rewrite rule is not properly recognized and thus the internal server name is in the header.

Could anybody shed lights on this? Thanks!

Re: ExportWebMapTask Errors out on server

JYI — Wed, 14 Mar 2018 16:03:06 GMT

The issues in Configure Portal for ArcGIS with Microsoft IIS reverse proxy server have been solved. See

https://community.esri.com/message/756307-make-portal-for-arcgis-public-accessible-using-iis-reverse-proxy-server-in-dmz for the solution.