When I reverse engineering from DB2 7.1, I got exception as below
java.lang.NullPointerException
 at com/rational/rose/dm/core/collaboration/model/store/transitory/graph/models/data/Entity.getColumn
 at com/rational/rose/dm/core/collaboration/model/store/transitory/graph/models/data/Entity.getColumns
 at com/rational/rose/dm/core/collaboration/model/store/transitory/graph/models/data/Table$4$IndexConstraintFactory.createStateGraphVertex
 at com/rational/rose/dm/core/collaboration/model/store/transitory/graph/definition/StateGraphVertexHashMap.put
 at com/rational/rose/dm/core/collaboration/model/store/transitory/graph/models/data/IndexConstraintHashMap.put
 at com/rational/rose/dm/core/collaboration/model/store/transitory/graph/models/data/Table.addIndexConstraint
 at com/rational/rose/dm/core/collaboration/model/store/transitory/graph/models/data/Table.addIndexConstraint
 at com/rational/rose/dm/core/feature/services/engineering/database/DB261Graph.addIndexConstraint
 at com/rational/rose/dm/core/feature/services/engineering/database/DB261Graph.addConstraint
 at com/rational/rose/dm/core/feature/services/engineering/database/DB261Graph.addTable
 at com/rational/rose/dm/core/feature/services/engineering/database/DB261Graph.addSchema
 at com/rational/rose/dm/core/feature/services/engineering/database/PhysicalDatabaseServiceExecutive.loadDatabaseModel
 at com/rational/rose/dm/core/feature/services/engineering/database/PhysicalDatabaseServiceExecutive.execute
 at com/rational/rose/dm/core/feature/services/engineering/ReverseEngineeringWizardInteraction.commit
 at com/rational/rose/dm/core/feature/invocation/construction/adapters/WizardInteractionAdvisorAdapter.commit
 at com/rational/rose/dm/core/user/reverseEngineerWizard/ProgressBar.show
 at com/rational/rose/dm/core/user/foundation/WizardSheet.onClickNext
 at com/ms/wfc/core/EventHandler.invoke
 at com/ms/wfc/core/Component.fireEvent
 at com/ms/wfc/ui/Control.onClick
 at com/ms/wfc/ui/Button.onClick
 at com/ms/wfc/ui/Button.wndProc
 at com/ms/wfc/ui/Control$ControlWindow.wndProc
 at com/ms/wfc/app/Window.callback
 at com/ms/wfc/win32/Windows.SendMessage
 at com/ms/wfc/ui/Control.sendMessage
 at com/ms/wfc/ui/Control.reflectMessage
 at com/ms/wfc/ui/Control.wmCommand
 at com/ms/wfc/ui/Control.wndProc
 at com/ms/wfc/ui/Form.wndProc
 at com/ms/wfc/ui/Control$ControlWindow.wndProc
 at com/ms/wfc/app/Window.callback
 at com/ms/wfc/win32/Windows.CallWindowProc
 at com/ms/wfc/app/Window.defWndProc
 at com/ms/wfc/ui/Control$ControlWindow.defWndProc
 at com/ms/wfc/ui/Control.defWndProc
 at com/ms/wfc/ui/Control.wmMouseUp
 at com/ms/wfc/ui/Control.wndProc
 at com/ms/wfc/ui/Button.wndProc
 at com/ms/wfc/ui/Control$ControlWindow.wndProc
 at com/ms/wfc/app/Window.callback
 at com/ms/wfc/win32/Windows.DispatchMessage
 at com/ms/wfc/app/Application$ThreadContext.runMessageLoop
 at com/ms/wfc/app/Application.runDialog
 at com/ms/wfc/ui/Form.showDialog
 at com/ms/wfc/ui/Form.showDialog
 at com/rational/rose/dm/core/user/foundation/WizardSheet.display
 at com/rational/rose/dm/core/user/ReverseEngineerUI.displayWizard
 at com/rational/rose/dm/core/collaboration/interaction/userCommand/UserInteraction.displayGUI
 at com/rational/rose/dm/core/collaboration/interaction/userCommand/UserInteraction.reverseEngineer
 at com/rational/rose/dm/core/feature/invocation/construction/UserInteractionConnection.reverseEngineer
 at com/rational/rose/dm/core/feature/services/engineering/ReverseEngineeringExecutive.execute
 at com/rational/rose/dm/core/engine/AbstractRoseDataModelerEngine.invoke
 at com/rational/rose/dm/core/engine/RoseDataModelerEngine.invoke
 at com/rational/rose/dm/core/collaboration/interaction/userCommand/CommandHandler.executeEngine
 at com/rational/rose/dm/core/collaboration/interaction/userCommand/CommandHandler.invokeFeatureSync
 at com/rational/rose/dm/core/collaboration/interaction/userCommand/AbstractSimpleCommandHandler.invoke
 at com/rational/rose/dm/core/collaboration/interaction/userCommand/CommandHandler.invoke
 at com/rational/rose/dm/core/collaboration/interaction/userCommand/CommandControlCenter.invokeCommand
 at com/rational/rose/dm/platform/k2/collaboration/interaction/RoseDataModeler.OnReverseEngineer
Any one can help me?

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