NullPointer Execption by deleting a Class
-----------------------------------------
Key: CAY-528
URL: http://issues.apache.org/cayenne/browse/CAY-528
Project: Cayenne
Type: Bug
Components: CayenneModeler GUI
Versions: 1.2 [BETA]
Environment: Win2k
Reporter: Wonder World
Priority: Trivial
CayenneModeler Info
Version: 1.2B2
Build Date: April 17 2006
Exception:
=================================
java.lang.NullPointerException
at
org.objectstyle.cayenne.modeler.ProjectController$ControllerState.access$100(ProjectController.java:150)
at
org.objectstyle.cayenne.modeler.ProjectController.removeFromHistory(ProjectController.java:403)
at
org.objectstyle.cayenne.modeler.ProjectController.fireObjEntityEvent(ProjectController.java:808)
at
org.objectstyle.cayenne.modeler.action.RemoveAction.removeObjEntity(RemoveAction.java:236)
at
org.objectstyle.cayenne.modeler.action.RemoveAction.performAction(RemoveAction.java:123)
at
org.objectstyle.cayenne.modeler.util.CayenneAction.actionPerformed(CayenneAction.java:199)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(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(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown 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.pumpOneEventForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
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