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https://issues.apache.org/jira/browse/CAY-1974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14230233#comment-14230233
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ASF GitHub Bot commented on CAY-1974:
-------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/cayenne/pull/40
> Copy/Paste DbEntiry throws exception
> ------------------------------------
>
> Key: CAY-1974
> URL: https://issues.apache.org/jira/browse/CAY-1974
> Project: Cayenne
> Issue Type: Bug
> Components: Modeler
> Affects Versions: 4.0.M2
> Environment: Mac OS X 10.10.1, Sun JDK 1.7.0_71
> Reporter: Andrey Koyro
>
> 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)
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