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    <title>topic Re: Tiled Layer: Cannot read property 'remove' of null in ArcGIS JavaScript Maps SDK Questions</title>
    <link>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/tiled-layer-cannot-read-property-remove-of-null/m-p/131127#M12215</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;This is repeatable on any map with decent amount of tiled layers.&lt;/P&gt;&lt;P&gt;For example this - &lt;A href="http://www.arcgis.com/home/webmap/viewer.html?webmap=1f61f0c4ddcf4b7d8b7586d6cd85574d" title="http://www.arcgis.com/home/webmap/viewer.html?webmap=1f61f0c4ddcf4b7d8b7586d6cd85574d"&gt;http://www.arcgis.com/home/webmap/viewer.html?webmap=1f61f0c4ddcf4b7d8b7586d6cd85574d&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt; More tiled layers = easier to repeat this bug!&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Mon, 29 Feb 2016 10:37:03 GMT</pubDate>
    <dc:creator>AndrisSkudra</dc:creator>
    <dc:date>2016-02-29T10:37:03Z</dc:date>
    <item>
      <title>Tiled Layer: Cannot read property 'remove' of null</title>
      <link>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/tiled-layer-cannot-read-property-remove-of-null/m-p/131126#M12214</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;This is a possible bug. When I zoom Map with mousewheel, &lt;STRONG&gt;fast&lt;/STRONG&gt; and &lt;STRONG&gt;multiple&lt;/STRONG&gt; &lt;STRONG&gt;levels&lt;/STRONG&gt;, ArcGIS JS API throws an error, continiously:&lt;/P&gt;&lt;P&gt;Cannot read property 'remove' of null&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I happen to have a lot of Tiled layers in my map, like 20 or so. And all of them &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;class: "esri/layers/TiledMapServiceLayer"&lt;/P&gt;&lt;P&gt;function:&amp;nbsp; _popTile()&lt;/P&gt;&lt;P&gt;this line: this._loadingList.remove(a.id);&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;this._loadingList is null, so it thats why it throws. I think it could be some timing issue, possibly related to performance (multiple level zoom + lots of layers).&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I was wondering if this is a bug or maybe I am doing something wrong? Is there a workaround?&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 26 Feb 2016 07:46:11 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/tiled-layer-cannot-read-property-remove-of-null/m-p/131126#M12214</guid>
      <dc:creator>AndrisSkudra</dc:creator>
      <dc:date>2016-02-26T07:46:11Z</dc:date>
    </item>
    <item>
      <title>Re: Tiled Layer: Cannot read property 'remove' of null</title>
      <link>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/tiled-layer-cannot-read-property-remove-of-null/m-p/131127#M12215</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;This is repeatable on any map with decent amount of tiled layers.&lt;/P&gt;&lt;P&gt;For example this - &lt;A href="http://www.arcgis.com/home/webmap/viewer.html?webmap=1f61f0c4ddcf4b7d8b7586d6cd85574d" title="http://www.arcgis.com/home/webmap/viewer.html?webmap=1f61f0c4ddcf4b7d8b7586d6cd85574d"&gt;http://www.arcgis.com/home/webmap/viewer.html?webmap=1f61f0c4ddcf4b7d8b7586d6cd85574d&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt; More tiled layers = easier to repeat this bug!&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 29 Feb 2016 10:37:03 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/tiled-layer-cannot-read-property-remove-of-null/m-p/131127#M12215</guid>
      <dc:creator>AndrisSkudra</dc:creator>
      <dc:date>2016-02-29T10:37:03Z</dc:date>
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