alice-teacher Alice 2 - Possible Bug in Alice built-in Tutorial 4 (lunar lander)

[Laurie Solomon Cohen]

We noticed it last year and again this year, but never reported it, since it did seem that it was part of the tutorial, and since it was one of the last ones, we just moved on. It would certainly help if it were fixed, but . . . 
Sorry, we should have reported it earlier.

 

 


Laurie Cohen
LSCohen613 at aol.com
240-793-1269 cell

 

 

-----Original Message-----
From: Don Slater <dslater at andrew.cmu.edu>
To: Alice Teachers <alice-teachers at lists.andrew.cmu.edu>
Sent: Mon, Mar 10, 2014 7:37 pm
Subject: Re: alice-teacher Alice 2 - Possible Bug in Alice built-in Tutorial 4 (lunar lander)


At this time, there is no plan in place to fix this bug… The tutorials were created as part of a graduate student research project, and this bug has been in the tutorial since 2005. This is a bug in the tutorial framework itself. It is not a bug in Alice, or as the result of being used on any particular platform or operating system.


It is actually only in the last year that we have started to receive reports of this bug with any frequency, (which is somewhat curious, but another topic), and because there is a relatively trivial work around, it has not been high on our priority list. But with the number of reports we have been receiving in this past year, it is a topic we will revisit.


All the best,
Don Slater


On Mar 10, 2014, at 5:18 PM, Don Slater <dslater at andrew.cmu.edu> wrote:


This is a known bug in Alice 2, and has existed at least since Alice 2.2. The workaround is to click on the next button, which will take you to the next step in the tutorial, correctly set, and you will be able to finish the tutorial at that point.


Later,
Don Slater


On Mar 10, 2014, at 4:08 PM, Deane Fistick <deane.fistick at ecotoh.org> wrote:



One of my students discovered a possible Bug in Alice built-in Tutorial 4 (lunar lander) in the Help -> Tutorials menu. I tried it and got the same error message within the tutorial.
 
We are using Alice 2.4.1 on Windows 7 machines.
 
When you get to the place in the tutorial that has you add the “beachChair” to the world, then click “next”, the tutorial tells you that you’ve made a mistake. (SEE PICTURE BELOW)
 
 
<image001.png>
 
Are we both doing something wrong or is there a bug – possibly 2.4.1 isn’t quite compatible with the tutorial?
 
Thanks,
Deane
 
Mr. Deane Fistick
Electronic Classroom Of Tomorrow (ECOT)
HS Computer Programming Teacher
1-888-326-8395 ext. 3640
deane.fistick at ecotoh.org
 
<image002.jpg>
 
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