topic Re: Error when clicking a MapView in ArcGIS JavaScript Maps SDK Questions https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/error-when-clicking-a-mapview/m-p/353066#M32716 <HTML><HEAD></HEAD><BODY><P>Just FYI for the next weary googler. Currently in 4.4, hitTest will fail with this error if any of your layers fail to properly load. In my case, a hosted feature service had an issue with a data store, and was in a state where it could not be queried with a where clause. &nbsp;Because the hitTest method checks all layers, there is a hitTest method in the features view class which does not check for a null pointer, and therefore throws an uncaught error crashing the entire application.</P></BODY></HTML> Thu, 24 Aug 2017 20:23:03 GMT williampreston 2017-08-24T20:23:03Z Error when clicking a MapView https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/error-when-clicking-a-mapview/m-p/353065#M32715 <HTML><HEAD></HEAD><BODY><P>I'm getting the following error when I click on a MapView. I'm using jsapi 4.4&nbsp;</P><P></P><P><SPAN class="" style="color: #222222; background-color: #fff0f0; margin-left: 4px;"><SPAN class="" style="color: #545454; text-decoration: underline;">MapView.js:699</SPAN> </SPAN><SPAN class="" style="color: red !important; background-color: #fff0f0;">Uncaught <SPAN class="" style="font-size: 12px !important;">TypeError: Cannot read property 'position' of undefined at Object.b.hitTest (<SPAN class="" style="color: #545454; text-decoration: underline;"><A class="jive-link-external-small" href="https://community.esri.com/external-link.jspa?url=https%3A%2F%2Fjs.arcgis.com%2F4.4%2Fesri%2Fviews%2FMapView.js%3A699%3A292" rel="nofollow" target="_blank">https://js.arcgis.com/4.4/esri/views/MapView.js:699:292</A></SPAN>) at Object.c.hitTest (<SPAN class="" style="color: #545454; text-decoration: underline;"><A class="jive-link-external-small" href="https://community.esri.com/external-link.jspa?url=https%3A%2F%2Fjs.arcgis.com%2F4.4%2Fesri%2Fviews%2FMapView.js%3A694%3A137" rel="nofollow" target="_blank">https://js.arcgis.com/4.4/esri/views/MapView.js:694:137</A></SPAN>) at <SPAN class="" style="color: #545454; text-decoration: underline;"><A class="jive-link-external-small" href="https://community.esri.com/external-link.jspa?url=https%3A%2F%2Fjs.arcgis.com%2F4.4%2Fesri%2Fviews%2FMapView.js%3A735%3A50" rel="nofollow" target="_blank">https://js.arcgis.com/4.4/esri/views/MapView.js:735:50</A></SPAN> at Array.map (native) at Object.c.hitTest (<SPAN class="" style="color: #545454; text-decoration: underline;"><A class="jive-link-external-small" href="https://community.esri.com/external-link.jspa?url=https%3A%2F%2Fjs.arcgis.com%2F4.4%2Fesri%2Fviews%2FMapView.js%3A735%3A12" rel="nofollow" target="_blank">https://js.arcgis.com/4.4/esri/views/MapView.js:735:12</A></SPAN>) at Object._clickHandler (<SPAN class="" style="color: #545454; text-decoration: underline;"><A class="jive-link-external-small" href="https://community.esri.com/external-link.jspa?url=https%3A%2F%2Fjs.arcgis.com%2F4.4%2Finit.js%3A2063%3A27" rel="nofollow" target="_blank">https://js.arcgis.com/4.4/init.js:2063:27</A></SPAN>) at <SPAN class="" style="color: #545454; text-decoration: underline;"><A class="jive-link-external-small" href="https://community.esri.com/external-link.jspa?url=https%3A%2F%2Fjs.arcgis.com%2F4.4%2Finit.js%3A49%3A303" rel="nofollow" target="_blank">https://js.arcgis.com/4.4/init.js:49:303</A></SPAN> at a._callback (<SPAN class="" style="color: #545454; text-decoration: underline;"><A class="jive-link-external-small" href="https://community.esri.com/external-link.jspa?url=https%3A%2F%2Fjs.arcgis.com%2F4.4%2Fesri%2Fviews%2FMapView.js%3A625%3A178" rel="nofollow" target="_blank">https://js.arcgis.com/4.4/esri/views/MapView.js:625:178</A></SPAN>) at c._handleEvent (<SPAN class="" style="color: #545454; text-decoration: underline;"><A class="jive-link-external-small" href="https://community.esri.com/external-link.jspa?url=https%3A%2F%2Fjs.arcgis.com%2F4.4%2Fesri%2Fviews%2FMapView.js%3A560%3A71" rel="nofollow" target="_blank">https://js.arcgis.com/4.4/esri/views/MapView.js:560:71</A></SPAN>) at Object.eventCallback (<SPAN class="" style="color: #545454; text-decoration: underline;"><A class="jive-link-external-small" href="https://community.esri.com/external-link.jspa?url=https%3A%2F%2Fjs.arcgis.com%2F4.4%2Fesri%2Fviews%2FMapView.js%3A556%3A401" rel="nofollow" target="_blank">https://js.arcgis.com/4.4/esri/views/MapView.js:556:401</A></SPAN>)</SPAN></SPAN></P></BODY></HTML> Tue, 01 Aug 2017 13:22:43 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/error-when-clicking-a-mapview/m-p/353065#M32715 MarkosYeterawork2 2017-08-01T13:22:43Z Re: Error when clicking a MapView https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/error-when-clicking-a-mapview/m-p/353066#M32716 <HTML><HEAD></HEAD><BODY><P>Just FYI for the next weary googler. Currently in 4.4, hitTest will fail with this error if any of your layers fail to properly load. In my case, a hosted feature service had an issue with a data store, and was in a state where it could not be queried with a where clause. &nbsp;Because the hitTest method checks all layers, there is a hitTest method in the features view class which does not check for a null pointer, and therefore throws an uncaught error crashing the entire application.</P></BODY></HTML> Thu, 24 Aug 2017 20:23:03 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/error-when-clicking-a-mapview/m-p/353066#M32716 williampreston 2017-08-24T20:23:03Z