[GREENFOOT-161] Export, then "Compile all" throws exception
When attempting to export when some of the classes are not compiled a dialog will be shown. If you clikc Compile All in this dialog, an exception will be thrown:
{noformat} Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at greenfoot.WorldVisitor.getObjectsListInPaintOrder(WorldVisitor.java:77) at greenfoot.gui.WorldCanvas.paintObjects(WorldCanvas.java:77) at greenfoot.core.WorldHandler.getSnapShot(WorldHandler.java:684) at greenfoot.gui.export.ExportDialog.display(ExportDialog.java:86) at greenfoot.actions.ExportProjectAction.actionPerformed(ExportProjectAction.java:34) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) at javax.swing.AbstractButton.doClick(AbstractButton.java:389) at javax.swing.AbstractButton.doClick(AbstractButton.java:337) at javax.swing.plaf.basic.BasicMenuItemUI$Actions.actionPerformed(BasicMenuItemUI.java:1189) at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1641) at javax.swing.JComponent.processKeyBinding(JComponent.java:2849) at javax.swing.JMenuBar.processBindingForKeyStrokeRecursive(JMenuBar.java:670) at javax.swing.JMenuBar.processBindingForKeyStrokeRecursive(JMenuBar.java:678) at javax.swing.JMenuBar.processBindingForKeyStrokeRecursive(JMenuBar.java:678) at javax.swing.JMenuBar.processKeyBinding(JMenuBar.java:649) at javax.swing.KeyboardManager.fireBinding(KeyboardManager.java:267) at javax.swing.KeyboardManager.fireKeyboardAction(KeyboardManager.java:254) at javax.swing.JComponent.processKeyBindingsForAllComponents(JComponent.java:2926) at javax.swing.JComponent.processKeyBindings(JComponent.java:2918) at javax.swing.JComponent.processKeyEvent(JComponent.java:2812) at java.awt.Component.processEvent(Component.java:5903) at java.awt.Container.processEvent(Container.java:2102) at java.awt.Component.dispatchEventImpl(Component.java:4497) at java.awt.Container.dispatchEventImpl(Container.java:2160) at java.awt.Component.dispatchEvent(Component.java:4327) at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1848) at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:697) at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:962) at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:834) at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:661) at java.awt.Component.dispatchEventImpl(Component.java:4369) at java.awt.Container.dispatchEventImpl(Container.java:2160) at java.awt.Window.dispatchEventImpl(Window.java:2440) at java.awt.Component.dispatchEvent(Component.java:4327) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:300) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:210) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:200) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:195) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:187) at java.awt.EventDispatchThread.run(EventDispatchThread.java:121) {noformat}
Issue metadata
- Issue type: Bug
- Priority: Low
- Fix versions: 1.4.6