Are you sure that (?*bwapi* getMyUnits) returns a list? Jess' foreach isn't quite as tolerant as for in Java 1.5 and later. You may have to return an java.util.iterator.
-W On 10/03/2012, Hunter McMillen <mcmil...@gmail.com> wrote: > I am receiving the error in the subject line when one of my rules is > firing. I can't seem to find any other forum posts about it, here is my > rule: > > (defrule build-supply-depot > (minerals (value ?x&:(> ?x 100))) > => > (try > (foreach ?u (?*bwapi* getMyUnits) > (if (= (?u getTypeID) ?*SCV_ID*) then > (bind ?p (call get-next-build-tile())) > (call ?*bwapi* drawCircle ?p.x ?p.y 100 111 FALSE FALSE) > (call ?*bwapi* build (?u getID) ?p.x ?p.y > (UnitType$UnitTypes.Terran_Supply_Depot ordinal)) > (break))) > catch > (printout t (call ?ERROR toString) crlf) > ) > ) > > and here is the exact error message: > > while executing (foreach ?u (call ?*bwapi* getMyUnits) > (if (= (call ?u getTypeID) ?*SCV_ID*) > then > (bind ?p (call get-next-build-tile )) > (call ?*bwapi* drawCircle ?p.x ?p.y 100 > 111 FALSE FALSE) > (call ?*bwapi* build (call ?u getID) > ?p.x ?p.y (UnitType$UnitTypes.Terran_Supply_Depot ordinal)) > (break))). > > Message: '' is a list, not a string. > > But the error doesn't give me a line number. > > Any help would be appreciated. > Thanks, > Hunter McMillen > -------------------------------------------------------------------- To unsubscribe, send the words 'unsubscribe jess-users y...@address.com' in the BODY of a message to majord...@sandia.gov, NOT to the list (use your own address!) List problems? Notify owner-jess-us...@sandia.gov. --------------------------------------------------------------------
