alice-teacher Freezing and/or error when clicking on Events

[Don Slater]

Lori,
It looks like you are working with Alice version 2.3.5, in which we did see variations of this problem…

Please download the current version from our web site (2.4.1), test your project and let us know if you continue to have problems…

All the best,
Don Slater


On Feb 5, 2014, at 7:34 AM, Lori Fuller <lori.fuller at browardschools.com> wrote:

> From the Alice book with the Beetle Band example and scenario; The students and I are trying to add on to the basic Beetle Band scenario of creating a Solo and Duets with using Parameters. However, each time the students try to test the added Methods for either Solo or Duets by changing the Event world start, Alice freezes. The third part of the project which is the add on, is to have music playing the whole time in the background and the students trying to sinc the lyrics and movements to the music. The problem is that every time I try to add a Do together in the events, Alice freezes or gives an error. (see below) Is this an Alice thing? An Alice running or Mac thing? A Java thing? And is there a way to fix it?
> 
> 
> 
> Alice version: 2.3.5
> os.name: Mac OS X
> os.version: 10.7.5
> os.arch: x86_64
> java.vm.name: Java HotSpot(TM) 64-Bit Server VM
> java.vm.version: 20.65-b04-462
> user.dir: /Applications/Alice.app/Contents/Required
> 
> Exception in thread "TimerQueue" java.lang.OutOfMemoryError: Java heap space
>         at java.awt.EventQueue.invokeLater(EventQueue.java:1078)
>         at javax.swing.SwingUtilities.invokeLater(SwingUtilities.java:1267)
>         at javax.swing.Timer$1.run(Timer.java:583)
>         at javax.swing.Timer$1.run(Timer.java:581)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.swing.Timer.post(Timer.java:581)
>         at javax.swing.TimerQueue.postExpiredTimers(TimerQueue.java:194)
>         at javax.swing.TimerQueue.run(TimerQueue.java:230)
>         at java.lang.Thread.run(Thread.java:695)
> Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
>         at java.util.Arrays.copyOfRange(Arrays.java:3209)
>         at java.lang.String.<init>(String.java:215)
>         at java.util.Properties.loadConvert(Properties.java:568)
>         at java.util.Properties.load0(Properties.java:375)
>         at java.util.Properties.load(Properties.java:325)
>         at java.util.PropertyResourceBundle.<init>(PropertyResourceBundle.java:111)
>         at java.util.ResourceBundle$Control.newBundle(ResourceBundle.java:2334)
>         at java.util.ResourceBundle.loadBundle(ResourceBundle.java:1364)
>         at java.util.ResourceBundle.findBundle(ResourceBundle.java:1328)
>         at java.util.ResourceBundle.findBundle(ResourceBundle.java:1282)
>         at java.util.ResourceBundle.findBundle(ResourceBundle.java:1282)
>         at java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:1224)
>         at java.util.ResourceBundle.getBundle(ResourceBundle.java:705)
>         at edu.cmu.cs.stage3.lang.Messages.getString(Messages.java:31)
>         at edu.cmu.cs.stage3.alice.authoringtool.AuthoringToolResources.getReprForValue(AuthoringToolResources.java:1130)
>         at edu.cmu.cs.stage3.alice.authoringtool.AuthoringToolResources.getReprForValue(AuthoringToolResources.java:827)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities.makePrototypeStructure(PopupMenuUtilities.java:1201)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities$8.createItem(PopupMenuUtilities.java:955)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities.makeFlatElementStructure(PopupMenuUtilities.java:467)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities.makePrototypeStructure(PopupMenuUtilities.java:1044)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities$8.createItem(PopupMenuUtilities.java:955)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities.makeElementStructure(PopupMenuUtilities.java:427)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities.makePrototypeStructure(PopupMenuUtilities.java:1049)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities.makePrototypeStructure(PopupMenuUtilities.java:1205)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities$8.createItem(PopupMenuUtilities.java:955)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities.makeElementStructure(PopupMenuUtilities.java:427)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities.makePrototypeStructure(PopupMenuUtilities.java:1049)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities$8.createItem(PopupMenuUtilities.java:955)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities.makeElementStructure(PopupMenuUtilities.java:427)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities.makePrototypeStructure(PopupMenuUtilities.java:1049)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities$8.createItem(PopupMenuUtilities.java:955)
>         at edu.cmu.cs.stage3.alice.authoringtool.util.PopupMenuUtilities.processStructure(PopupMenuUtilities.java:2416)
> 
> 
> 
> 
> thanks,
> 
> Lori Fuller, M.Ed.
> Monarch High School
> Career Technology Department Head
> Technology Coordinator
> Asst. Athletic Director
> 
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