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petros
07-01-2009, 04:27 AM
When i go to explode a fighter plane in an alice world ihave this bug.
Error during simulation.




Alice version: 2.2 6/10/2009



Throwable that caused the error:

java.lang.NullPointerException

at edu.cmu.cs.stage3.alice.core.question.SubjectObjec tQuestion.getValue(SubjectObjectQuestion.java:46)

at edu.cmu.cs.stage3.alice.core.question.SubjectQuest ion.getValue(SubjectQuestion.java:35)

at edu.cmu.cs.stage3.alice.core.Property.evaluateIfNe cessary(Property.java:379)

at edu.cmu.cs.stage3.alice.core.Property.getValue(Pro perty.java:406)

at edu.cmu.cs.stage3.alice.core.property.NumberProper ty.getNumberValue(NumberProperty.java:33)

at edu.cmu.cs.stage3.alice.core.property.NumberProper ty.doubleValue(NumberProperty.java:36)

at edu.cmu.cs.stage3.alice.core.property.NumberProper ty.doubleValue(NumberProperty.java:44)

at edu.cmu.cs.stage3.alice.core.response.MoveAnimatio n$RuntimeMoveAnimation.getVector(MoveAnimation.jav a:42)

at edu.cmu.cs.stage3.alice.core.response.MoveAnimatio n$RuntimeMoveAnimation.prologue(MoveAnimation.java :59)

at edu.cmu.cs.stage3.alice.core.response.DoTogether$R untimeDoTogether.prologue(DoTogether.java:53)

at edu.cmu.cs.stage3.alice.core.response.DoInOrder$Ru ntimeDoInOrder.childPrologueIfNecessary(DoInOrder. java:52)

at edu.cmu.cs.stage3.alice.core.response.DoInOrder$Ru ntimeDoInOrder.update(DoInOrder.java:97)

at edu.cmu.cs.stage3.alice.core.response.CallToUserDe finedResponse$RuntimeCallToUserDefinedResponse.upd ate(CallToUserDefinedResponse.java:86)

at edu.cmu.cs.stage3.alice.core.behavior.TriggerBehav ior.internalSchedule(TriggerBehavior.java:69)

at edu.cmu.cs.stage3.alice.core.Behavior.schedule(Beh avior.java:226)

at edu.cmu.cs.stage3.alice.core.Sandbox.scheduleBehav iors(Sandbox.java:70)

at edu.cmu.cs.stage3.alice.core.World.scheduleBehavio rs(World.java:444)

at edu.cmu.cs.stage3.alice.core.World.schedule(World. java:486)

at edu.cmu.cs.stage3.alice.core.clock.DefaultClock.sc hedule(DefaultClock.java:99)

at edu.cmu.cs.stage3.alice.authoringtool.AuthoringToo l$7.run(AuthoringTool.java:702)

at edu.cmu.cs.stage3.alice.authoringtool.util.Default Scheduler.simulateOnce(DefaultScheduler.java:115)

at edu.cmu.cs.stage3.alice.authoringtool.util.Default Scheduler.run(DefaultScheduler.java:76)

at edu.cmu.cs.stage3.scheduler.AbstractScheduler.run( AbstractScheduler.java:45)

at java.awt.event.InvocationEvent.dispatch(Unknown Source)

at java.awt.EventQueue.dispatchEvent(Unknown Source)

at java.awt.EventDispatchThread.pumpOneEventForHierar chy(Unknown Source)

at java.awt.EventDispatchThread.pumpEventsForHierarch y(Unknown Source)

at java.awt.EventDispatchThread.pumpEventsForHierarch y(Unknown Source)

at java.awt.Dialog$1.run(Unknown Source)

at java.awt.Dialog$2.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.awt.Dialog.show(Unknown Source)

at java.awt.Component.show(Unknown Source)

at java.awt.Component.setVisible(Unknown Source)

at edu.cmu.cs.stage3.swing.DialogManager.showModalDia log(DialogManager.java:60)

at edu.cmu.cs.stage3.swing.DialogManager.showDialog(D ialogManager.java:128)

at edu.cmu.cs.stage3.alice.authoringtool.AuthoringToo l.play(AuthoringTool.java:5159)

at edu.cmu.cs.stage3.alice.authoringtool.Actions$15.a ctionPerformed(Actions.java:168)

at javax.swing.AbstractButton.fireActionPerformed(Unk nown Source)

at javax.swing.AbstractButton$Handler.actionPerformed (Unknown Source)

at javax.swing.DefaultButtonModel.fireActionPerformed (Unknown Source)

at javax.swing.DefaultButtonModel.setPressed(Unknown Source)

at javax.swing.plaf.basic.BasicButtonListener.mouseRe leased(Unknown Source)

at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)

at java.awt.Component.processMouseEvent(Unknown Source)

at javax.swing.JComponent.processMouseEvent(Unknown Source)

at java.awt.Component.processEvent(Unknown Source)

at java.awt.Container.processEvent(Unknown Source)

at java.awt.Component.dispatchEventImpl(Unknown Source)

at java.awt.Container.dispatchEventImpl(Unknown Source)

at java.awt.Component.dispatchEvent(Unknown Source)

at java.awt.LightweightDispatcher.retargetMouseEvent( Unknown Source)

at java.awt.LightweightDispatcher.processMouseEvent(U nknown Source)

at java.awt.LightweightDispatcher.dispatchEvent(Unkno wn Source)

at java.awt.Container.dispatchEventImpl(Unknown Source)

at java.awt.Window.dispatchEventImpl(Unknown Source)

at java.awt.Component.dispatchEvent(Unknown Source)

at java.awt.EventQueue.dispatchEvent(Unknown Source)

at java.awt.EventDispatchThread.pumpOneEventForHierar chy(Unknown Source)

at java.awt.EventDispatchThread.pumpEventsForHierarch y(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.run(Unknown Source)

arevira
07-01-2009, 02:05 PM
java.lang.NullPointerException

On the face of it, it could be a method expecting an object argument that currently is set to None, but it is kind of hard to tell with that error message.
Can you upload the file to take a look at it?

petros
07-01-2009, 02:21 PM
This is the file.

DrJim
07-01-2009, 08:14 PM
This is the file.

It wasn't attached.

petros
07-01-2009, 11:28 PM
Sorry

shaydon
12-10-2009, 02:33 PM
you have to edit it where it says distance above<none>
you have to change it to the ground