[Potlatch-dev] [OT?] problem with serving potlatch2.swf on XP

[Andy Allan]

On Sun, Oct 3, 2010 at 10:44 PM, Steve Bennett <stevagewp at gmail.com> wrote:
> This probably isn't a potlatch-specific problem, but if anyone can
> help, I'd be very grateful. After doing quite a few cycles of making a
> change to potlatch.css, then reloading the css, Chrome eventually
> stopped loading the .swf. I switched to Opera, which worked for a bit
> until it crashed, and only half loads the .swf. Then FireFox
> eventually did the same thing.
>
> What's happening seems to be the local web server (HFS, but tried
> nginx and got the same result) serves up the first few icons and other
> files fine, then runs out of ... something ... and starts returning
> 503 (service unavailable). So half the icons end up display as red
> crosses, the main map area remains blank, and the background sources
> dropdown is unpopulated. Rebooting didn't help.
>
> (The setup I'm using, to be clear, is a local modified potlatch2.html
> file that points to the live OSM server.)
>
> As I said, probably not a potlatch-specific problem (unless maybe some
> kind of resource isn't being freed correctly), but it's causing me big
> problems so if anyone has any ideas...

I've seen this before on my own system. Simply put, flash makes
another connection for everything it downloads. I solved it by upping
the number of simultaneous clients permitted on the server, i.e.

http://trac.openstreetmap.org/changeset/23044

You'll probably need to do something similar, and/or investigate if
your server has a total number of connections before bailing out. I'm
slightly concerned that our current approach for icons (hundreds of
individual files, hundreds of connections) might be, err, sub-optimal
for production systems.

Cheers,
Andy