Binary file write fails with OSX/Finder connection

[drush]

• in OSX, used finder to map the rack_dav endpoint as a share location localhost:3000 using rack_dav binary
• drag-and-drop a binary file onto the new share (1.7MB dmg file)
• Finder reports: '... can't complete operation because some data in "file" can't be read or written. (Error code -36)'
• no exceptions from rack_dav, but there are a sequence of PROPFIND, PUT, LOCK and UNLOCK commands and a 404 on a request for '/.root_folder' near the end of the transaction

[georgi]

Thanks, I will look into this as soon as I'll have an macbook in a few days.

[januszm]

it is because finder is using multi-part uploads (Transfer-Encoding: Chunked ? http://code.google.com/p/sabredav/wiki/Finder) and I guess your server does not support it.