[CAY-1157] Modeler: Concurrent mod exception on removing DbRelationship

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0M5
• Fix Version/s: 3.0M6
• Component/s: Modeler
• Assignee: Unassigned
• Reporter: Andrus Adamchik
• Created: 22/Dec/08 15:02
• Updated: 05/Jan/09 14:52
• Resolved: 05/Jan/09 14:52

Description

I can reproduce this consistently on at least 1 DataMap:

1. Delete FK DbAttribute
2. Remove DbRelationship that was using this attribute

CayenneModeler Info
Version: cayenne.version
Build Date: cayenne.build.date
Exception:
=================================
java.util.ConcurrentModificationException
at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:449)
at java.util.AbstractList$Itr.next(AbstractList.java:420)
at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1010)
at org.apache.cayenne.modeler.util.ProjectUtil.cleanObjMappings(ProjectUtil.java:279)
at org.apache.cayenne.modeler.action.RemoveRelationshipAction.removeDbRelationships(RemoveRelationshipAction.java:130)
at org.apache.cayenne.modeler.action.RemoveRelationshipAction.performAction(RemoveRelationshipAction.java:92)
at org.apache.cayenne.modeler.action.RemoveAction.performAction(RemoveAction.java:95)
at org.apache.cayenne.modeler.util.CayenneAction.actionPerformed(CayenneAction.java:163)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1882)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2202)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:231)
at java.awt.Component.processMouseEvent(Component.java:5602)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3135)
at java.awt.Component.processEvent(Component.java:5367)
at java.awt.Container.processEvent(Container.java:2010)
at java.awt.Component.dispatchEventImpl(Component.java:4068)
at java.awt.Container.dispatchEventImpl(Container.java:2068)
at java.awt.Component.dispatchEvent(Component.java:3903)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4256)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3936)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3866)
at java.awt.Container.dispatchEventImpl(Container.java:2054)
at java.awt.Window.dispatchEventImpl(Window.java:1801)
at java.awt.Component.dispatchEvent(Component.java:3903)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)