<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Laurie,<div class="">This is a known problem that Alice experiences with Windows 7. We have a new release, coming-out in the next couple of weeks, that hopefully should take of this issue.</div><div class=""><br class=""></div><div class="">All the best,</div><div class="">Don Slater</div><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On May 4, 2015, at 10:43 AM, Laurie Solomon Cohen <<a href="mailto:lscohen613@aol.com" class="">lscohen613@aol.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><font size="2" face="Tahoma, Arial, Helvetica, sans-serif" class="">
<div class=""><font style="background-color: transparent;" class="">I am just starting to introduce Alice at a new school. We will only have a few sessions with it. I am hoping to introduce it to them, so many will be sparked to work on it/play with it over the summer on their own.</font></div>
<div class="">Anyway, upon first launching it, it gave me this Unknown Error Has Occurred. I haven't ever seen this error in the others schools I've used Alice.</div>
<div class=""> It seems like it maybe a Java error?? Will we have more troubles as we create Alice stories?</div>
<div class="">Laurie Cohen</div>
<div class="">====================================</div>
<div class="">This is the what the full error says:</div>
<div class=""> </div>
<i style="background-color: rgb(255, 255, 255);" class="">
<div class="">OOPS!! Looks like we have a slight layout problem. Not a big deal, press OK to continue. </div>
<div class="">Alice version: 2.4.2 (July 2014)</div>
<div class="">os.name: Windows 7</div>
<div class="">os.version: 6.1</div>
<div class="">os.arch: x86</div>
<div class="">java.vm.name: Java HotSpot(TM) Client VM</div>
<div class="">java.vm.version: 20.0-b11</div>
<div class="">user.dir: C:\Program Files (x86)\Alice2.4\Alice 2.4\Required</div>
<div class=""> </div>
<div class="">Exception in thread "AWT-EventQueue-0" java.lang.ClassCastException</div>
<div class=""> at javax.swing.LayoutComparator.compare(LayoutComparator.java:61)</div>
<div class=""> at java.util.Arrays.mergeSort(Arrays.java:1293)</div>
<div class=""> at java.util.Arrays.sort(Arrays.java:1210)</div>
<div class=""> at java.util.Collections.sort(Collections.java:159)</div>
<div class=""> at javax.swing.SortingFocusTraversalPolicy.enumerateAndSortCycle(SortingFocusTraversalPolicy.java:119)</div>
<div class=""> at javax.swing.SortingFocusTraversalPolicy.getFirstComponent(SortingFocusTraversalPolicy.java:434)</div>
<div class=""> at javax.swing.LayoutFocusTraversalPolicy.getFirstComponent(LayoutFocusTraversalPolicy.java:148)</div>
<div class=""> at javax.swing.SortingFocusTraversalPolicy.getDefaultComponent(SortingFocusTraversalPolicy.java:511)</div>
<div class=""> at java.awt.FocusTraversalPolicy.getInitialComponent(FocusTraversalPolicy.java:152)</div>
<div class=""> at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:340)</div>
<div class=""> at java.awt.Component.dispatchEventImpl(Component.java:4523)</div>
<div class=""> at java.awt.Container.dispatchEventImpl(Container.java:2099)</div>
<div class=""> at java.awt.Window.dispatchEventImpl(Window.java:2478)</div>
<div class=""> at java.awt.Component.dispatchEvent(Component.java:4481)</div>
<div class=""> at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:643)</div>
<div class=""> at java.awt.EventQueue.access$000(EventQueue.java:84)</div>
<div class=""> at java.awt.EventQueue$1.run(EventQueue.java:602)</div>
<div class=""> at java.awt.EventQueue$1.run(EventQueue.java:600)</div>
<div class=""> at java.security.AccessController.doPrivileged(Native Method)</div>
<div class=""> at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)</div>
<div class=""> at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)</div>
<div class=""> at java.awt.EventQueue$2.run(EventQueue.java:616)</div>
<div class=""> at java.awt.EventQueue$2.run(EventQueue.java:614)</div>
<div class=""> at java.security.AccessController.doPrivileged(Native Method)</div>
<div class=""> at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)</div>
<div class=""> at java.awt.EventQueue.dispatchEvent(EventQueue.java:613)</div>
<div class=""> at java.awt.SequencedEvent.dispatch(SequencedEvent.java:101)</div>
<div class=""> at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:641)</div>
<div class=""> at java.awt.EventQueue.access$000(EventQueue.java:84)</div>
<div class=""> at java.awt.EventQueue$1.run(EventQueue.java:602)</div>
<div class=""> at java.awt.EventQueue$1.run(EventQueue.java:600)</div>
<div class=""> at java.security.AccessController.doPrivileged(Native Method)</div>
<div class=""> at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)</div>
<div class=""> at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)</div>
<div class=""> at java.awt.EventQueue$2.run(EventQueue.java:616)</div>
<div class=""> at java.awt.EventQueue$2.run(EventQueue.java:614)</div>
<div class=""> at java.security.AccessController.doPrivileged(Native Method)</div>
<div class=""> at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)</div>
<div class=""> at java.awt.EventQueue.dispatchEvent(EventQueue.java:613)</div>
<div class=""> at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)</div>
<div class=""> at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)</div>
<div class=""> at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)</div>
<div class=""> at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)</div>
<div class=""> at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)</div>
<div class=""> at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)</div>
<div class=""> </div>
<span class="Apple-style-span" style="font-family: "Times New Roman", Times, serif; font-style: normal;">
<div class=""> </div>
<div style="clear: both;" class=""><font size="2" class=""><i class=""><span style="font-family: arial; font-style: normal;" class=""><font class=""></font></span></i></font> </div>
</span></i></font>_______________________________________________<br class="">alice-teachers mailing list<br class=""><a href="mailto:alice-teachers@lists.andrew.cmu.edu" class="">alice-teachers@lists.andrew.cmu.edu</a><br class="">https://lists.andrew.cmu.edu/mailman/listinfo/alice-teachers<br class=""></div></blockquote></div><br class=""></div></body></html>