Dwarf Fortress Bug Tracker - Dwarf Fortress
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0009502Dwarf FortressDwarf Mode -- Jobs, Constructions (walls etc)public2016-01-22 12:032016-01-23 14:50
Loci 
Dwarfu 
normalminoralways
resolvedduplicate 
0.42.05 
 
0009502: Dwarf stuck holding material for in-tree construction, never moves to site
One of my dwarves climbed a tree and died (0007959). I ordered a stairway built to retrieve the body; the up stair was completed normally, but the downstair in the tree above was never built. Upon inspection, I found the dwarf who took the construction job was stuck standing in the tile where the construction material was located, holding the material but not moving to the job site to build the stair.

I was able to reproduce this problem in another game by ordering downstairs and up/down stairs be constructed on a tile containing "twigs" or "branches".
embark
chop down a tree for lumber
build a stairway next to another tree such that it goes through a "twigs" or "branches" tile
No tags attached.
duplicate of 0006530confirmed Footkerchief Dwarves won't build stairs in trees (specifically leaves/twigs) 
Issue History
2016-01-22 12:03LociNew Issue
2016-01-23 06:14DetrosNote Added: 0034525
2016-01-23 14:49LociNote Added: 0034529
2016-01-23 14:50DwarfuNote Added: 0034530
2016-01-23 14:50DwarfuRelationship addedduplicate of 0006530
2016-01-23 14:50DwarfuStatusnew => resolved
2016-01-23 14:50DwarfuResolutionopen => duplicate
2016-01-23 14:50DwarfuAssigned To => Dwarfu

Notes
(0034525)
Detros   
2016-01-23 06:14   
Sounds like a duplicate of 0006530, "Dwarves won't build stairs in trees (specifically leaves)" or at least a continuation of constructions vs trees war where previous battles were 0006551, "Constructing on trees causes them to vanish" and 0008719: "Building constructions over parts of trees crashes".
(0034529)
Loci   
2016-01-23 14:49   
Yep; it's a duplicate. Sorry.
(0034530)
Dwarfu   
2016-01-23 14:50   
Thanks for the follow-up.