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Printing with ArcGIS Web App Builder 1.0

Question asked by yaneev on Dec 30, 2014
Latest reply on Dec 7, 2015 by wspiking

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Hi. I've been playing with the Beta versions of new Web App Builder and just downloaded the 1.0 version. A great tool for simple web mapping apps. The only issue I've been having with all versions is the print function. Every time I try to print with every format, I get an "Error, Try Again". Just curious if anyone else out there has experienced this and/or have found a way around it. I was hoping that any bug would be ironed out in the Beta versions prior to release, but it appears to be doing the same thing (on my end at least...).

Thanks,

(pic attached)

Yaneev

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rscheitlin Dec 30, 2014 10:42 AM
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Yaneev,

Sounds like you forgot to setup a proxy.

Deploy the app
Do the following to deploy the app on your web server:
1. Unzip the downloaded app.
2. Add a proxy to your app. Refer to Use proxy for details.
3. Add and register the app. Refer to Add apps and Register your app.
4. Copy and paste the AppID to the appId property in the app config file. Save the file.
5. Deploy the app on your web server.
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- yaneev @ rscheitlin on Dec 30, 2014 1:11 PM
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  Thanks for the advice Robert,
  
  I'm still having some issues though. When I deploy the app and paste it to my web-server location, everything works fine accept the print app. It has the issues mentioned above. In the config file, the default proxy is listed as:
  
  "httpProxy": {
  "useProxy": true,
  "url": "/proxy.js"
  }
  
  I attempted to change the URL to the same value as the "appId". Still, same result as the clip in the first post above. Any further advise? I have to admit, I am very unfamiliar with proxy's, their purpose and how to set them.
  
  Thanks!!
  
  yaneev
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  - rscheitlin @ yaneev on Dec 30, 2014 1:31 PM
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    Yaneev,
    
    Ya, you need to read the documentation about the proxy. The default proxy that you are using is only for NodeJS that is running on the developer version of WAB and is NOT for a deployed app on your web server.
    
    Use proxy—Web AppBuilder for ArcGIS (Developer Edition) | ArcGIS for Developers
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    - HOKis @ rscheitlin on Jan 20, 2015 4:03 AM
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      Hi,
      
      i could encircle the problem. If I deactivate the httpProxy-Element (useProxy: false) in config.json of the WAB-app, printing works. With activated httpProxy, the PrintingTools-Service log throws an exception (code='20010'), when trying to access secured services.
      
      It seems, that the printwidget is able to process the credentials only, when they are directly typed in to unlock the secured services, but it isn't able to process those credentials, which are provided by the proxy.
      
      I requested a support-ticket; I'll keep you updated
      
      Andre
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- NTTA_Tarig @ rscheitlin on Jan 2, 2015 7:49 AM
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  I'm having the same problem with WAB on ArcGIS online.
  How do I configure the proxy there?
  I can print just fine if I'm outside our network.
  
  Thanks,
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- HOKis @ rscheitlin on Jan 16, 2015 7:38 AM
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  Hi,
  
  I got the same issue with the print widget. I also have configured our proxy properly and the redirection of Export Web Map Task works fine. But the error only appears when creating a web app with web app builder (developer version), which is installed on our windows server. The error appears both in develope mode ([xxx]:3344/webappbuilder/?id=2) and also in production mode after deployment. But If the web app is created with web app builder integrated in AGOL the print widget works fine.
  
  In both cases I used our own printing service from an AGS installed on the same windows server. I think the proxy is configured the right way, since our token-based secured service are redirected properly. The deployment was done exactly like the 5 points you mentioned.
  
  Any help or hints would be great!
  
  Thanks,
  Andre
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HOKis Jan 26, 2015 8:08 AM
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Hi,

I could solve the problem. I followed the instuctions from ArcGIS Help 10.1 (GIS-Server authentication) and it worked! Not the WAB printwidget was the problem, but the printing service's access rights.

Andre
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- yaneev @ HOKis on Jan 26, 2015 10:21 AM
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  I'm glad you got it to work. I went through the tutorials you mentioned, published the Geoprocessing web print tool and still having issues. My architecture is set up where I publish all data to a folder in my ArcServer. Then I create a map service in ArcGIS Online and point to the data on the server. Then in the WAB, I point to the Map Service in AGO. I published the GP tool both in the root folder and the folder where all the data sits.
  
  You mentioned above a "Support Ticket" Did anything result from that?
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  - HOKis @ yaneev on Jan 27, 2015 1:23 AM
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    I think we have a similar configuration. Did you configure a user connecition to your ArcGIS Server in ArcCatalog and give secured access rights to that in the tool?
    
    I don't have an answer from ESRI Support yet;
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mprindiville_gis Dec 3, 2015 5:42 AM
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Hi

Was there ever a solution to this. I am hosting a WAB solution however using the Arcgis Online print service and am getting the Error, try again. how do i get the print widget to recognize my proxy secure username and password credentials.

-Mel
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- yaneev @ mprindiville_gis on Dec 3, 2015 8:42 AM
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  Hi. I personally never solved this, though when I posted this, WebAppBuilder was a standalone app and now its built in to ArcGIS online, where I use it most. I should try it again via ArcGIS online to see if I have the same issues.
  
  Yaneev Golombek, GISP | GIS Projects and Applications Lead | Merrick & Company
  T: +1 303-353-3939 | www.merrick.com<http://www.merrick.com/>
  
  Engineering | Architecture | Design-Build | Surveying | Planning | Geospatial Solutions
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- HOKis @ mprindiville_gis on Dec 3, 2015 11:40 PM
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  Hi. Maybe you should give this a try: Add your secured services to your arcgis online account as element and save the credentials within. Then add those layers to your webmap.
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  - wspiking @ HOKis on Dec 7, 2015 6:49 AM
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    Hello. We had the same printing issue using the workflow as described by Andre so a colleague of mine called Esri support and they reference Bug# NIM-091603 (http://support.esri.com/en/bugs/nimbus/TklNMDkxNjAz). The only workaround we found was by using the LocalLayer widget.
    
    Here's our initial setup that was not working due to the bug referenced above:
    We had secured services (with creds stored) feeding an AGO web map.
    Using WAB Dev 1.2 we added the web map with the secure services and the print widget with our own print service.
    We deployed the WAB on our web server and used the Esri proxy that referenced our AGO creds.
    
    Our proxy was authenticating correctly to AGO and obtaining access to the content item that had the embedded credentials, but the system wasn't able to obtain a token for access to our secured service for printing.
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Printing with ArcGIS Web App Builder 1.0

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