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    <title>topic How to resolve error 503 on qlik.js? in Integration, Extension &amp; APIs</title>
    <link>https://community.qlik.com/t5/Integration-Extension-APIs/How-to-resolve-error-503-on-qlik-js/m-p/1675491#M12332</link>
    <description>&lt;P&gt;Hello.&amp;nbsp; We are trying to migrate a mashup app from dev-hub to a Java web app.&amp;nbsp; In doing so, host name is changed to FQDN, instead of localhost.&amp;nbsp; Since a web application resides on another AWS POD, CORS settings are applied.&amp;nbsp; The mashup app in dev-hub renders chart objects and corresponding data from a Qlik Sense dashboard correctly.&amp;nbsp; Embedding the same mashup app in an iFrame of a Java web app works the same way.&amp;nbsp; However, when the same mashup app is hosted under a Java web app, mashup objects and data do not come over due to an error 503 on qlik.js.&amp;nbsp; This same file is accessed no problem from dev-hub and iFrame.&amp;nbsp; It seems as if some additional permission is needed to access that file from a Java web app in another domain.&amp;nbsp; Does anyone know what problem this is and how to resolve?&lt;/P&gt;&lt;P&gt;Thanks,&lt;/P&gt;&lt;P&gt;Myong&lt;/P&gt;</description>
    <pubDate>Thu, 13 Feb 2020 18:30:07 GMT</pubDate>
    <dc:creator>mintungusps</dc:creator>
    <dc:date>2020-02-13T18:30:07Z</dc:date>
    <item>
      <title>How to resolve error 503 on qlik.js?</title>
      <link>https://community.qlik.com/t5/Integration-Extension-APIs/How-to-resolve-error-503-on-qlik-js/m-p/1675491#M12332</link>
      <description>&lt;P&gt;Hello.&amp;nbsp; We are trying to migrate a mashup app from dev-hub to a Java web app.&amp;nbsp; In doing so, host name is changed to FQDN, instead of localhost.&amp;nbsp; Since a web application resides on another AWS POD, CORS settings are applied.&amp;nbsp; The mashup app in dev-hub renders chart objects and corresponding data from a Qlik Sense dashboard correctly.&amp;nbsp; Embedding the same mashup app in an iFrame of a Java web app works the same way.&amp;nbsp; However, when the same mashup app is hosted under a Java web app, mashup objects and data do not come over due to an error 503 on qlik.js.&amp;nbsp; This same file is accessed no problem from dev-hub and iFrame.&amp;nbsp; It seems as if some additional permission is needed to access that file from a Java web app in another domain.&amp;nbsp; Does anyone know what problem this is and how to resolve?&lt;/P&gt;&lt;P&gt;Thanks,&lt;/P&gt;&lt;P&gt;Myong&lt;/P&gt;</description>
      <pubDate>Thu, 13 Feb 2020 18:30:07 GMT</pubDate>
      <guid>https://community.qlik.com/t5/Integration-Extension-APIs/How-to-resolve-error-503-on-qlik-js/m-p/1675491#M12332</guid>
      <dc:creator>mintungusps</dc:creator>
      <dc:date>2020-02-13T18:30:07Z</dc:date>
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