Map doesnt show position and doesnt update

screenshots, or a actuall discription? incomplete

actually beeing near the green position
(green marker stays there even if map in the item-frame is removed)

Yes sry, first bug report for me... hope this helps

It's probably the same as this issue: MC-3416 go there and read through the comments. Towards the end, someone has a fix for this and it worked for our people. It's a patch to apply to the clients' on users minecraft jar files.