Ok so after trying this, I end up getting this error msDrawMap(): Image handling error. Failed to draw layer named 'borders_lines10'.;msOGRFileNextShape(): OGR error. In GetNextRawFeature(): sqlite3_step() : database schema has changed;msOGRFileNextShape(): OGR error. In GetNextRawFeature(): sqlite3_step() : database schema has changed;msOGRFileNextShape(): OGR error. In GetNextRawFeature(): sqlite3_step() : database schema has changed;msOGRFileNextShape(): OGR error. In GetNextRawFeature(): sqlite3_step() : database schema has changed;msOGRFileNextShape(): OGR error. In GetNextRawFeature(): sqlite3_step() : database schema has changed
Thing is, we don't write to the database at all, not sure why it would think the schema changed. On Thu, Nov 5, 2015 at 5:43 PM kelly elton <[email protected]> wrote: > Yeah it's mapscript > > On Thu, Nov 5, 2015, 5:42 PM Lime, Steve D (MNIT) <[email protected]> > wrote: > >> Is this for MapScript? Should really let Tamas chime in. A single mapObj >> instance is modified during the course of a request once ingested from the >> mapfile. For example, it holds a populated label cache and other changes >> made after it is loaded specific to a request. So I guess that means one >> mapObj per thread. >> >> >> >> *From:* kelly elton [mailto:[email protected]] >> *Sent:* Thursday, November 05, 2015 4:35 PM >> *To:* Lime, Steve D (MNIT) <[email protected]>; >> [email protected] >> *Subject:* Re: [mapserver-users] Thread Safety >> >> >> >> To be sure, are you saying I can use a single map object for multiple >> threads, or will I need to have one map object per thread? What would you >> suggest? >> >> >> >> On Thu, Nov 5, 2015 at 5:33 PM Lime, Steve D (MNIT) < >> [email protected]> wrote: >> >> You should be fine. I believe there are locks (mutex) around places where >> this is known to be a problem. I’ve never heard user reports of issues in >> this regard. >> >> >> >> Steve >> >> >> >> *From:* mapserver-users [mailto:[email protected]] *On >> Behalf Of *kelly elton >> *Sent:* Thursday, November 05, 2015 4:07 PM >> *To:* [email protected] >> *Subject:* [mapserver-users] Thread Safety >> >> >> >> Say....if I have two processes using the mapserver dll, are they going to >> conflict? >> >> I'm noticing on the website it says "OGR layers: use unsafe CPL >> services"...In my map file I have 'CONNECTIONTYPE OGR'....what I do with >> the map object is project, and then draw to png, and that's about >> it....this isn't thread safe then? What about if I have multiple map >> objects, one per thread....is that thread safe? >> >>
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