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    <title>topic Re: Add Data Widget: strange behaviour with a WMS Service in ArcGIS Web AppBuilder Questions</title>
    <link>https://community.esri.com/t5/arcgis-web-appbuilder-questions/add-data-widget-strange-behaviour-with-a-wms/m-p/1004738#M20007</link>
    <description>&lt;P&gt;&lt;SPAN&gt;I am observing the same problem and have never found a WMS service that works well. Did you find a solution ?&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Wed, 25 Nov 2020 17:58:55 GMT</pubDate>
    <dc:creator>SebastienPelletier</dc:creator>
    <dc:date>2020-11-25T17:58:55Z</dc:date>
    <item>
      <title>Add Data Widget: strange behaviour with a WMS Service</title>
      <link>https://community.esri.com/t5/arcgis-web-appbuilder-questions/add-data-widget-strange-behaviour-with-a-wms/m-p/475048#M12550</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;I would like some help with the Add Data Widget. I have to add to my map all the layers&amp;nbsp;included&amp;nbsp;in this WMS service:&lt;/P&gt;&lt;P&gt;&lt;A href="http://servizigis.regione.emilia-romagna.it/wms/areeprotette_natura2000"&gt;http://servizigis.regione.emilia-romagna.it/wms/areeprotette_natura2000&lt;/A&gt;&lt;/P&gt;&lt;P&gt;If I add it in ArcGIS Desktop, I get two group layers, one ("Aree_protette") containing four layers and another one ("Rete_Natura_2000") containing three group layers.&lt;/P&gt;&lt;P&gt;&lt;IMG __jive_id="412060" class="image-1 jive-image" src="https://community.esri.com/legacyfs/online/412060_pastedImage_2.png" /&gt;&lt;/P&gt;&lt;P&gt;When I add it using the Add Data Widget, the group layer "Aree_protette" is loaded perfectly, while "Rete_Natura_2000" appears as closed, but it's empty.&lt;/P&gt;&lt;P&gt;&lt;IMG __jive_id="412062" class="image-2 jive-image" src="https://community.esri.com/legacyfs/online/412062_pastedImage_3.png" /&gt;&lt;/P&gt;&lt;P&gt;I tried with other WMS services, and they get added perfectly, so I think that the problem resides in the WMS service. Maybe the three-levels group layer is a bit too much to handle?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I don't think that it's relevant, but I didn't understand how to configure the proxy to add a WMS layer (by the way, can someone show me how to do it?), so to make it work I simply added the server name to the esriConfig.defaults.io.corsEnabledServers list.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Thanks,&lt;/P&gt;&lt;P&gt;Marco&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 22 Jun 2018 14:56:44 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-web-appbuilder-questions/add-data-widget-strange-behaviour-with-a-wms/m-p/475048#M12550</guid>
      <dc:creator>sitsit</dc:creator>
      <dc:date>2018-06-22T14:56:44Z</dc:date>
    </item>
    <item>
      <title>Re: Add Data Widget: strange behaviour with a WMS Service</title>
      <link>https://community.esri.com/t5/arcgis-web-appbuilder-questions/add-data-widget-strange-behaviour-with-a-wms/m-p/1004738#M20007</link>
      <description>&lt;P&gt;&lt;SPAN&gt;I am observing the same problem and have never found a WMS service that works well. Did you find a solution ?&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Wed, 25 Nov 2020 17:58:55 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-web-appbuilder-questions/add-data-widget-strange-behaviour-with-a-wms/m-p/1004738#M20007</guid>
      <dc:creator>SebastienPelletier</dc:creator>
      <dc:date>2020-11-25T17:58:55Z</dc:date>
    </item>
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