Gmapsz v3 not displaying gmarkers

zk-studio

asked 2012-11-22 15:45:31 +0800

updated 2012-11-22 15:45:45 +0800

Hi, i don't know why gmapsz 3 stopped showing markers on a map. The following code it's extracted from: http://books.zkoss.org/wiki/ZK_Component_Reference/Diagrams_and_Reports/Gmaps#Example

<window title="Gmaps Demo" border="normal" width="520px">
   <!-- you may wish specify the version of google map api manually for some reason,
       use version="" to do it.
       ex: <gmaps version="3.5" id="mymap" ... ></gmaps> -->
   <gmaps id="mymap" width="500px" height="300px" showSmallCtrl="true">
       <ginfo id="myinfo" open="true">
           <![CDATA[
               Hello, <a href="http://www.zkoss.org">ZK</a>.
           ]]>
       </ginfo>
        
       <gmarker id="mymark" lat="37.4410" lng="-122.1490">
           <![CDATA[
               Hello, <a href="http://www.zkoss.org">ZK</a> on top of Gmarker.
           ]]>
       </gmarker>
        
       <attribute name="onMapClick">
           Gmarker gmarker = event.getGmarker();
           if (gmarker != null) {
               gmarker.setOpen(true);
           }
       </attribute>
   </gmaps>
</window>

This used to work but now it's not showing the marker. I often get this error: ..."setAttr X is null (TypeError)"...
Thanks in advance, Mono.

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