https://community.esri.com/t5/arcgis-experience-builder-questions/authentication-for-private-app-in-experience/m-p/1061577#M2010 <P>I have an internal web application that I built for one of our departments. The maps, layers, etc., contained in it are all shared with a Group only, so when an anonymous user attempts to access it, it prompts for sign-on.</P><P>I've followed all the steps in the <A href="https://developers.arcgis.com/experience-builder/guide/deployment-topics/#deploy-the-experience" target="_self">Deployment</A> article for adding the clientID to the application.</P><P>Within the Experience, I have a <STRONG>table</STRONG> widget, and the underlying data allows exporting. When my users first open the app and sign in, attempting to export features results in a popup window with the following message:</P><PRE><STRONG>Error: </STRONG>Output format not supported.<BR /><STRONG>Code: </STRONG>400</PRE><P>The URL of the popup window is:</P><PRE>https://&lt;feature-service-URL&gt;/featureserver/0?f=json/sharing/rest//oauth2/authorize?client_id=&lt;clientID&gt;</PRE><P>If the page is refreshed, the problem simply goes away.</P><P>Any clues as to why this is happening and how to fix this? Have I implemented the authorization incorrectly?</P> Tue, 25 May 2021 21:08:45 GMT jcarlson 2021-05-25T21:08:45Z https://community.esri.com/t5/arcgis-experience-builder-questions/authentication-for-private-app-in-experience/m-p/1061577#M2010 <P>I have an internal web application that I built for one of our departments. The maps, layers, etc., contained in it are all shared with a Group only, so when an anonymous user attempts to access it, it prompts for sign-on.</P><P>I've followed all the steps in the <A href="https://developers.arcgis.com/experience-builder/guide/deployment-topics/#deploy-the-experience" target="_self">Deployment</A> article for adding the clientID to the application.</P><P>Within the Experience, I have a <STRONG>table</STRONG> widget, and the underlying data allows exporting. When my users first open the app and sign in, attempting to export features results in a popup window with the following message:</P><PRE><STRONG>Error: </STRONG>Output format not supported.<BR /><STRONG>Code: </STRONG>400</PRE><P>The URL of the popup window is:</P><PRE>https://&lt;feature-service-URL&gt;/featureserver/0?f=json/sharing/rest//oauth2/authorize?client_id=&lt;clientID&gt;</PRE><P>If the page is refreshed, the problem simply goes away.</P><P>Any clues as to why this is happening and how to fix this? Have I implemented the authorization incorrectly?</P> Tue, 25 May 2021 21:08:45 GMT https://community.esri.com/t5/arcgis-experience-builder-questions/authentication-for-private-app-in-experience/m-p/1061577#M2010 jcarlson 2021-05-25T21:08:45Z