Dwarf Fortress Bug Tracker - Dwarf Fortress
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0010341Dwarf FortressDwarf Mode -- Militarypublic2017-11-23 21:362018-01-11 21:03
Toady One 
0010341: Canceling a mission after some dwarves have left the map prevents them from returning.
After a mission is assigned to a squad, it can still be removed using the mission interface up to a point, even if some dwarves have already left the map. Removing the mission while dwarves are off-map causes them to be stuck "traveling" and they will seemingly never return to the fort, even after retiring and unretiring.

Note: If the squad is taken off the mission, the off-map dwarves will return to the fort as new arrivals. This bug only occurs if the mission is removed entirely.
Create a squad and send them on a mission. After some but not all dwarves have left the map, remove the mission. (it's not clear exactly when the mission interface becomes locked, but a majority of the squad can leave before then)
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Issue History
2017-11-23 21:36saverinNew Issue
2017-11-23 21:54saverinNote Added: 0036948
2017-11-24 15:28grayfoxNote Added: 0036966
2017-11-24 15:51FantasticDorfNote Added: 0036969
2017-11-26 03:07Knight OtuAssigned To => Knight Otu
2017-11-26 03:07Knight OtuStatusnew => confirmed
2017-11-26 03:07Knight OtuSticky IssueNo => Yes
2017-12-24 22:37Toady OneNote Added: 0037396
2017-12-24 22:37Toady OneStatusconfirmed => resolved
2017-12-24 22:37Toady OneFixed in Version => Next Version
2017-12-24 22:37Toady OneResolutionopen => fixed
2017-12-24 22:37Toady OneAssigned ToKnight Otu => Toady One
2018-01-11 21:03LociSticky IssueYes => No

2017-11-23 21:54   
Example save uploaded here: http://dffd.bay12games.com/file.php?id=13207 [^]
All starting dwarves were put in a squad and sent on a mission. The mission was removed once 5 of the dwarves had left the map.
2017-11-24 15:28   
This happened near the end of a really long stream I was watching
https://youtu.be/-PdqgmZQEbU?t=32812 [^]
2017-11-24 15:51   
Can this be raised in priority/assigned due to issue 0010345 since inability to auto retire the fortress when all the present dwarves are off map & dead with reclaiming parties & this present issue could be a significant exploit.
Toady One   
2017-12-24 22:37   
The five dwarves from the save should return for next time, and it's generally a bit more robust. I imagine there could still be related issues though.