[taskjuggler-devel] Scheduling Bug?

From: Jochen Deibele (jmdeibele_at_gmx.de)
Date: Thu Jan 19 2006 - 21:52:27 CET


From: Jochen Deibele <jmdeibele@gmx.de>
Date: Thu, 19 Jan 2006 21:52:27 +0100
Message-Id: <200601192152.27966.jmdeibele@gmx.de>
Subject: [taskjuggler-devel] Scheduling Bug?

Hi!

I tried to schedule my diploma thesis with taskjuggler, but the first
experience ist not the best.

See this Example:

project prj "Example Project" "1.0" 2005-05-01 2007-07-01
task t1 "Task 1" {
  start 2005-05-01
  duration 2d
}
task t2 "Task 2" {
  duration 1d
  depends !t1
}
task t3 "Task 3" {
  duration 1d
  precedes !t2
  depends !t1
}

I would guess that after scheduling I would have the following result:

t1: 2005-05-01 lasting 2 days
t3: 2005-05-03 lasting 1 day (because it is preceding t2 and depending on
t1)
t2: 2005-05-04 lasting 1 day.

But all I get is a compile-Error with:
Impossible dependency:
Task 3 ends at 2005-05-03-23:59:59 but needs to precede task t2 which has a
plan start time of 2005-05-03-00:00:00-CEST

Flipping depends and precedes in the last task changes the error message,
but doesn't resolve the problem either:
Task t3 starts at 2005-05-02-00:00:00-CEST but needs to follow
task t1 which has a plan end time of 2005-05-02-23:59:59

Is it my mistake or is it a Bug in taskjuggler?

Thank you,
Jochen

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