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    <title>topic Intermittent featureLayer Error in ArcGIS JavaScript Maps SDK Questions</title>
    <link>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/intermittent-featurelayer-error/m-p/476812#M44289</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;&lt;BR /&gt;Greetings, &lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; I am experiencing an intermittent error in all of my applications that I am referencing featureLayers in. The problem is not persistent but the when it occurs it is very noticeable to the end user. Every once in a while I get a "Unable to complete operation" error from line 187 of init.js (the details of the error are listed below).&amp;nbsp; This error occurs thtoughout the use of the application whether panning and zooming or querying the feature layer. I use the following code to add the layer: &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt; var arficaLayer = new FeatureLayer(url+"/1", {&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; mode: FeatureLayer.MODE_SNAPSHOT,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; outFields: ["*"],&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; id: "africa",&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; autoGeneralize: true,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; definitionExpression: "1=1"&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; });&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; map.addLayer(arficaLayer);&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I've tried different mode setting for the feature layer but to no avail. Any information on how I should be correctly adding this feature layer will be greatly appreciated. &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Best regards, Tyler &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;init.js:89 Error: Unable to complete operation.(…)w @ init.js:89&lt;/P&gt;&lt;P&gt;(anonymous function) @ init.js:88&lt;/P&gt;&lt;P&gt;c @ init.js:103&lt;/P&gt;&lt;P&gt;d @ init.js:103&lt;/P&gt;&lt;P&gt;resolve.callback @ init.js:105&lt;/P&gt;&lt;P&gt;c @ init.js:104&lt;/P&gt;&lt;P&gt;d @ init.js:103&lt;/P&gt;&lt;P&gt;resolve.callback @ init.js:105&lt;/P&gt;&lt;P&gt;c @ init.js:104&lt;/P&gt;&lt;P&gt;d @ init.js:103&lt;/P&gt;&lt;P&gt;resolve.callback @ init.js:105&lt;/P&gt;&lt;P&gt;c @ init.js:104&lt;/P&gt;&lt;P&gt;d @ init.js:103&lt;/P&gt;&lt;P&gt;resolve.callback @ init.js:105&lt;/P&gt;&lt;P&gt;(anonymous function) @ init.js:92&lt;/P&gt;&lt;P&gt;h @ init.js:107&lt;/P&gt;&lt;P&gt;k @ init.js:107&lt;/P&gt;&lt;P&gt;resolve @ init.js:109&lt;/P&gt;&lt;P&gt;a @ init.js:108&lt;/P&gt;&lt;P&gt;h @ init.js:107&lt;/P&gt;&lt;P&gt;k @ init.js:107&lt;/P&gt;&lt;P&gt;resolve @ init.js:109&lt;/P&gt;&lt;P&gt;a @ init.js:108&lt;/P&gt;&lt;P&gt;h @ init.js:107&lt;/P&gt;&lt;P&gt;k @ init.js:107&lt;/P&gt;&lt;P&gt;resolve @ init.js:109&lt;/P&gt;&lt;P&gt;a @ init.js:108&lt;/P&gt;&lt;P&gt;h @ init.js:107&lt;/P&gt;&lt;P&gt;k @ init.js:107&lt;/P&gt;&lt;P&gt;resolve @ init.js:109&lt;/P&gt;&lt;P&gt;n @ init.js:138&lt;/P&gt;&lt;P&gt;e @ init.js:142&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Thu, 28 Jul 2016 21:54:43 GMT</pubDate>
    <dc:creator>TylerWaring</dc:creator>
    <dc:date>2016-07-28T21:54:43Z</dc:date>
    <item>
      <title>Intermittent featureLayer Error</title>
      <link>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/intermittent-featurelayer-error/m-p/476812#M44289</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;&lt;BR /&gt;Greetings, &lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; I am experiencing an intermittent error in all of my applications that I am referencing featureLayers in. The problem is not persistent but the when it occurs it is very noticeable to the end user. Every once in a while I get a "Unable to complete operation" error from line 187 of init.js (the details of the error are listed below).&amp;nbsp; This error occurs thtoughout the use of the application whether panning and zooming or querying the feature layer. I use the following code to add the layer: &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt; var arficaLayer = new FeatureLayer(url+"/1", {&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; mode: FeatureLayer.MODE_SNAPSHOT,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; outFields: ["*"],&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; id: "africa",&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; autoGeneralize: true,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; definitionExpression: "1=1"&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; });&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; map.addLayer(arficaLayer);&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I've tried different mode setting for the feature layer but to no avail. Any information on how I should be correctly adding this feature layer will be greatly appreciated. &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Best regards, Tyler &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;init.js:89 Error: Unable to complete operation.(…)w @ init.js:89&lt;/P&gt;&lt;P&gt;(anonymous function) @ init.js:88&lt;/P&gt;&lt;P&gt;c @ init.js:103&lt;/P&gt;&lt;P&gt;d @ init.js:103&lt;/P&gt;&lt;P&gt;resolve.callback @ init.js:105&lt;/P&gt;&lt;P&gt;c @ init.js:104&lt;/P&gt;&lt;P&gt;d @ init.js:103&lt;/P&gt;&lt;P&gt;resolve.callback @ init.js:105&lt;/P&gt;&lt;P&gt;c @ init.js:104&lt;/P&gt;&lt;P&gt;d @ init.js:103&lt;/P&gt;&lt;P&gt;resolve.callback @ init.js:105&lt;/P&gt;&lt;P&gt;c @ init.js:104&lt;/P&gt;&lt;P&gt;d @ init.js:103&lt;/P&gt;&lt;P&gt;resolve.callback @ init.js:105&lt;/P&gt;&lt;P&gt;(anonymous function) @ init.js:92&lt;/P&gt;&lt;P&gt;h @ init.js:107&lt;/P&gt;&lt;P&gt;k @ init.js:107&lt;/P&gt;&lt;P&gt;resolve @ init.js:109&lt;/P&gt;&lt;P&gt;a @ init.js:108&lt;/P&gt;&lt;P&gt;h @ init.js:107&lt;/P&gt;&lt;P&gt;k @ init.js:107&lt;/P&gt;&lt;P&gt;resolve @ init.js:109&lt;/P&gt;&lt;P&gt;a @ init.js:108&lt;/P&gt;&lt;P&gt;h @ init.js:107&lt;/P&gt;&lt;P&gt;k @ init.js:107&lt;/P&gt;&lt;P&gt;resolve @ init.js:109&lt;/P&gt;&lt;P&gt;a @ init.js:108&lt;/P&gt;&lt;P&gt;h @ init.js:107&lt;/P&gt;&lt;P&gt;k @ init.js:107&lt;/P&gt;&lt;P&gt;resolve @ init.js:109&lt;/P&gt;&lt;P&gt;n @ init.js:138&lt;/P&gt;&lt;P&gt;e @ init.js:142&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 28 Jul 2016 21:54:43 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/intermittent-featurelayer-error/m-p/476812#M44289</guid>
      <dc:creator>TylerWaring</dc:creator>
      <dc:date>2016-07-28T21:54:43Z</dc:date>
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