[OSM-dev] 412 Precondition failed and how to recover from it

[Tom Hughes]

In message <b5f0f61d0707241638r501c8c9m9b0740fe2c1b8b67 at mail.gmail.com>
          "Dermot McNally" <dermotm at gmail.com> wrote:

> I do have a .osm file of my edits, and as I say, the map area where
> this needs to go can easily be cleaned up if that's the cost of
> getting the new stuff into place. My understanding of the message is
> that the data in my .osm file is assuming something about the data on
> server that proves not to be true. I'm happy to prune the offending
> piece away in order to get the rest live, but can anyone offer tips as
> to how I can work out which piece that might be? I suppose I could
> just keep taking half my upload set until I find it, but that could
> take a while...

Presumably somebody else must have deleted a node or segment that you
are using since you downloaded. If you download again then josm should
mark it as a conflict and allow you to resolve it.

Tom

-- 
Tom Hughes (tom at compton.nu)
http://www.compton.nu/