[CAY-1974] Copy/Paste DbEntiry throws exception

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.M2
• Fix Version/s: 4.0.M3
• Component/s: Modeler
• Environment: Mac OS X 10.10.1, Sun JDK 1.7.0_71
• Assignee: Unassigned
• Reporter: Andrey Koyro
• Created: 27/Nov/14 15:46
• Updated: 01/Dec/14 18:55
• Resolved: 01/Dec/14 18:55

Description

When I try to copy and then paste DbEntity I get the exception:
CayenneModeler Info
Version: 4.0.M2.fba700d
Build Date: Nov 25 2014 17:37:06
Exception:
=================================
java.lang.ClassCastException: org.apache.cayenne.configuration.DataChannelDescriptor cannot be cast to org.apache.cayenne.map.DataMap
at org.apache.cayenne.map.naming.NameCheckers$6.isNameInUse(NameCheckers.java:97)
at org.apache.cayenne.map.naming.DefaultUniqueNameGenerator.generate(DefaultUniqueNameGenerator.java:94)
at org.apache.cayenne.map.naming.DefaultUniqueNameGenerator.generate(DefaultUniqueNameGenerator.java:85)
at org.apache.cayenne.map.naming.DefaultUniqueNameGenerator.generate(DefaultUniqueNameGenerator.java:64)
at org.apache.cayenne.modeler.action.PasteAction.paste(PasteAction.java:262)
at org.apache.cayenne.modeler.action.PasteAction.paste(PasteAction.java:148)
at org.apache.cayenne.modeler.action.PasteAction.performAction(PasteAction.java:132)
at org.apache.cayenne.modeler.util.CayenneAction.actionPerformed(CayenneAction.java:162)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.AbstractButton.doClick(AbstractButton.java:376)
at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833)
at com.apple.laf.AquaMenuItemUI.doClick(AquaMenuItemUI.java:157)
at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
at java.awt.Component.processMouseEvent(Component.java:6525)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
at java.awt.Component.processEvent(Component.java:6290)
at java.awt.Container.processEvent(Container.java:2234)
at java.awt.Component.dispatchEventImpl(Component.java:4881)
at java.awt.Container.dispatchEventImpl(Container.java:2292)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462)
at java.awt.Container.dispatchEventImpl(Container.java:2278)
at java.awt.Window.dispatchEventImpl(Window.java:2739)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746)
at java.awt.EventQueue.access$400(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:697)
at java.awt.EventQueue$3.run(EventQueue.java:691)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:719)
at java.awt.EventQueue$4.run(EventQueue.java:717)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)