Andrus Adamchik created CAY-2973:
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Summary: 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
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:
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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)
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