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

[Gamez, Enrique A (3012)]

There is a certain amount of glee when a student discovers bugs -- in anything.  It's as if they weren't yet taught that bugs are a way of life and you'll never squash them all.  Then again, you're probably right to move on and prioritize this one into the background noise.
-e

From: Don Slater <dslater at andrew.cmu.edu<mailto:dslater at andrew.cmu.edu>>
Reply-To: Alice educators <alice-teachers at lists.andrew.cmu.edu<mailto:alice-teachers at lists.andrew.cmu.edu>>
Date: Monday, March 10, 2014 4:36 PM
To: Alice Teachers <alice-teachers at lists.andrew.cmu.edu<mailto:alice-teachers at lists.andrew.cmu.edu>>
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<mailto: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<mailto: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<mailto:deane.fistick at ecotoh.org>

<image002.jpg>

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