[OSM-talk] 412 failure when deleting nodes in josm

[Dirk-Lüder Kreie]

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maning sambale schrieb:
>> Is someone else working in the same area?
> As far as I know, we have 6 mappers around and 2 who are most active
> at the moment, so I doubt it is because of two mappers working at the
> same area.
> 
>> Another cause I've found in the past couple days is if you use the
>> validator plugin to fix duplicate nodes and don't modify the way. It
>> seems that it decides to delete all but one node out of each set of
>> duplicates, but the one that it leaves either isn't in the way, or its
>> not actually marking that the way has changed, so it causes a 412 when
>> it tries to delete a node but the API thinks its still needed. The
>> workarounds are to either modify the way (ex: add a new node to it), or
>> to use the remove unconnected nodes tool instead of the fix duplicate
>> nodes tool in validator.
> 
> This might be what's causing the problem, I use the validator plugin
> to automatically fix duplicate nodes

Can you check this by comparing the OSM files (save before and after)
I have a suspicion that the JOSM plugin does indeed change the ways
correctly, but the upload order is not correct.
I have not looked at the source, so I might be completely wrong here.

- --

Dirk-Lüder "Deelkar" Kreie
Bremen - 53.0952°N 8.8652°E

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