[mapguide-users] Intermittent MapGuide issue

[David Bowen]

Thanks Gord. Unfortunately, that didn't resolve the issue.

On Wed, May 17, 2023 at 5:39 PM Gordon Luckett <
gordon.luckett at arrowgeomatics.com> wrote:

> Strangely, I sometime do this:
>
> $mySel = $sel->ToXml();
> $this->originalSel = $mySel;
>
> and I find that works better..
>
>
>
> On Wed, May 17, 2023 at 2:17 PM David Bowen <dbowenrci at gmail.com> wrote:
>
>> Our application has functionality where a user can search for an address
>> and then click on a button to return data, when available, from a selection
>> of layers. We're encountering an issue where there is data present, however
>> when the user clicks the button, MapGuide returns an error saying no valid
>> objects are selected. If the user clicks the button a second time, results
>> are returned. This seems like a MapGuide error and I've been attempting to
>> troubleshoot it without success.
>> This issue is intermittent and only seems to exist in our Development
>> environment, however I can recreate it if I export the Development package
>> from Maestro and import it into another environment.
>>
>> The relevant section of code that seems to be failing is:
>>
>> $myMap = $this->MapGuideObject->getMap();
>> $session = $this->mgSessionId;
>> $mapName = $this->mgMapID;
>> $objkeys = '';
>> $errorMsg = null;
>> $siteConnection = $this->MapGuideObject->getSiteConnection();
>> // Get an instance of the Resource and Mapping Services and use them to
>> open
>> // the map and initialize a selection object.
>> $resourceSrvc = $this->MapGuideObject->getResourceService();
>> $featureSrvc = $this->MapGuideObject->getFeatureService();
>> //Get selected map layers.
>> $sel = new MgSelection( $myMap );
>>
>> $sel->Open( $resourceSrvc, $mapName );
>>
>> $this->originalSel = $sel->ToXml();
>> $selLayers = $sel->GetLayers();
>> //Check to see if no objects are selected.
>>
>> It appears that the line $this->originalSel = $sel->ToXml(); is the issue
>> as there are times where it returns data but other times it's an empty
>> string. Has anyone encountered an issue like this, or would anyone have an
>> idea of how to resolve it?
>> Alternatively, what would be the best way to try to catch a potential
>> MapGuide error that is being generated? I believe that we have all error
>> logging turned on but nothing has appeared in the log files.
>>
>> Thanks,
>> David
>> _______________________________________________
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>> mapguide-users at lists.osgeo.org
>> https://lists.osgeo.org/mailman/listinfo/mapguide-users
>>
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