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https://issues.apache.org/jira/browse/CAY-2973?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrus Adamchik closed CAY-2973.
--------------------------------
Resolution: Fixed
> Exception trying to copy/paste a callback
> -----------------------------------------
>
> Key: CAY-2973
> URL: https://issues.apache.org/jira/browse/CAY-2973
> Project: Cayenne
> Issue Type: Bug
> Affects Versions: 5.0-M2
> Reporter: Andrus Adamchik
> Assignee: Andrus Adamchik
> Priority: Minor
> Fix For: 5.0-M3
>
>
> In a new unsaved project, I created an entity callback, then right-clicked to
> copy, and tried to paste to another entity. Got the error:
>
> {noformat}
> CayenneModeler Info
> Version: 5.0-SNAPSHOT
> Build Date: Jun 29 2026 15:01:25
> Exception:
> =================================
> java.lang.NullPointerException: Cannot invoke
> "org.apache.cayenne.modeler.ui.project.editor.objentity.callbacks.CallbackType.getType()"
> because the return value of
> "org.apache.cayenne.modeler.project.ProjectSession.getSelectedCallbackType()"
> is null
> at
> org.apache.cayenne.modeler.ui.action.PasteAction.paste(PasteAction.java:409)
> at
> org.apache.cayenne.modeler.ui.action.PasteAction.paste(PasteAction.java:139)
> at
> org.apache.cayenne.modeler.ui.action.PasteAction.performAction(PasteAction.java:116)
> at
> org.apache.cayenne.modeler.toolkit.AppAction.actionPerformed(AppAction.java:149)
> at
> java.desktop/javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1804)
> at
> java.desktop/javax.swing.JComponent.processKeyBinding(JComponent.java:2962)
> at java.desktop/javax.swing.JTable.processKeyBinding(JTable.java:5345)
> at
> java.desktop/javax.swing.JComponent.processKeyBindings(JComponent.java:3024)
> at
> java.desktop/javax.swing.JComponent.processKeyEvent(JComponent.java:2924)
> at java.desktop/java.awt.Component.processEvent(Component.java:6353)
> at java.desktop/java.awt.Container.processEvent(Container.java:2260)
> at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4958)
> at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2318)
> at java.desktop/java.awt.Component.dispatchEvent(Component.java:4790)
> at
> java.desktop/java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1829)
> at
> java.desktop/java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:874)
> at
> java.desktop/java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1136)
> at
> java.desktop/java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:1011)
> at
> java.desktop/java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:839)
> at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4839)
> at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2318)
> at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2671)
> at java.desktop/java.awt.Component.dispatchEvent(Component.java:4790)
> at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:725)
> at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:702)
> at
> java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
> at
> java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
> at
> java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
> at
> java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
> at
> java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
> at
> java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
> {noformat}
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