topic Layers sometimes load, sometimes do not. in ArcGIS JavaScript Maps SDK Questions https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/layers-sometimes-load-sometimes-do-not/m-p/436433#M40183 <HTML><HEAD></HEAD><BODY><P class="subLogRow errorTitle focusRow"><SPAN class="errorMessage">I have a map with 3 layers, two FeatureLayer and one ArcGISDynamicMapServiceLayer. 30% of the time, the map loads perfectly, but most of time it does not. When it fails, it throws the following cryptic message:</SPAN></P><P class="subLogRow errorTitle focusRow"><SPAN class="errorMessage"></SPAN></P><P class="subLogRow errorTitle focusRow"><SPAN class="errorMessage">Error: Unable to complete operation.</SPAN></P><TABLE cellpadding="0" cellspacing="0" class=" "><TBODY class=" "><TR class=" "><TD class=" "><SPAN class="a11yFocus errorBreak" title="Parar en este error"></SPAN></TD><TD class=" "><PRE class="errorSourceCode" title="(a.port?&quot;:&quot;+a.port:&quot;&quot;)).toLowerCase()}function x(h,k,s,p){var w=!1,A=!1,v;t.isDefined(k)&amp;&amp;(l.isObject(k)?(w=!!k.useProxy,A=!!k.usePost,v=k.crossOrigin):w=!!k);h=l.mixin({},h);h._ssl&amp;&amp;(h.url=h.url.replace(/^http:/i,&quot;https:&quot;));k=h.content;var x=h.url,y=s&amp;&amp;h.form,F=D;v=t.isDefined(v)?v:F.useCors;h.load=function(b){var c;b&amp;&amp;(b.error?(c=l.mixin(Error(),b.error),c.log=a.isDebug):&quot;error&quot;===b.status&amp;&amp;(c=l.mixin(Error(),b),c.log=a.isDebug),c&amp;&amp;!t.isDefined(c.httpCode)&amp;&amp;(c.httpCode=c.code));return c||b};h.error=">...,"https:"));k=h.content;var x=h.url,y=s&amp;&amp;h.form,F=D;v=t.isDefined(v)?v:F.useCors...</PRE></TD></TR></TBODY></TABLE><P></P><P>What can be causing this issue? and how can i solve it?&nbsp; thanks</P></BODY></HTML> Mon, 16 May 2016 23:49:20 GMT davidzornosa 2016-05-16T23:49:20Z Layers sometimes load, sometimes do not. https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/layers-sometimes-load-sometimes-do-not/m-p/436433#M40183 <HTML><HEAD></HEAD><BODY><P class="subLogRow errorTitle focusRow"><SPAN class="errorMessage">I have a map with 3 layers, two FeatureLayer and one ArcGISDynamicMapServiceLayer. 30% of the time, the map loads perfectly, but most of time it does not. When it fails, it throws the following cryptic message:</SPAN></P><P class="subLogRow errorTitle focusRow"><SPAN class="errorMessage"></SPAN></P><P class="subLogRow errorTitle focusRow"><SPAN class="errorMessage">Error: Unable to complete operation.</SPAN></P><TABLE cellpadding="0" cellspacing="0" class=" "><TBODY class=" "><TR class=" "><TD class=" "><SPAN class="a11yFocus errorBreak" title="Parar en este error"></SPAN></TD><TD class=" "><PRE class="errorSourceCode" title="(a.port?&quot;:&quot;+a.port:&quot;&quot;)).toLowerCase()}function x(h,k,s,p){var w=!1,A=!1,v;t.isDefined(k)&amp;&amp;(l.isObject(k)?(w=!!k.useProxy,A=!!k.usePost,v=k.crossOrigin):w=!!k);h=l.mixin({},h);h._ssl&amp;&amp;(h.url=h.url.replace(/^http:/i,&quot;https:&quot;));k=h.content;var x=h.url,y=s&amp;&amp;h.form,F=D;v=t.isDefined(v)?v:F.useCors;h.load=function(b){var c;b&amp;&amp;(b.error?(c=l.mixin(Error(),b.error),c.log=a.isDebug):&quot;error&quot;===b.status&amp;&amp;(c=l.mixin(Error(),b),c.log=a.isDebug),c&amp;&amp;!t.isDefined(c.httpCode)&amp;&amp;(c.httpCode=c.code));return c||b};h.error=">...,"https:"));k=h.content;var x=h.url,y=s&amp;&amp;h.form,F=D;v=t.isDefined(v)?v:F.useCors...</PRE></TD></TR></TBODY></TABLE><P></P><P>What can be causing this issue? and how can i solve it?&nbsp; thanks</P></BODY></HTML> Mon, 16 May 2016 23:49:20 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/layers-sometimes-load-sometimes-do-not/m-p/436433#M40183 davidzornosa 2016-05-16T23:49:20Z Re: Layers sometimes load, sometimes do not. https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/layers-sometimes-load-sometimes-do-not/m-p/436434#M40184 <HTML><HEAD></HEAD><BODY><P>Looks like some issue with connectivity with service. Check the newtork, In the Developer window--&gt; Network tab: see if there are any error. If something is failing then you can further look why it is failing.</P><P></P><P>Also, check the ArcGIS Server logs, and see if there are any service/server related error.</P><P></P><P>Hope this was helpful.</P></BODY></HTML> Tue, 17 May 2016 12:46:30 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/layers-sometimes-load-sometimes-do-not/m-p/436434#M40184 thejuskambi 2016-05-17T12:46:30Z