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我使用Jdeveloper Studio 11.1.1.4.0，我使用了ADF組件，但最後幾天當我開始JDeveloper中，這種錯誤出現Jdeveloper錯誤「java.lang.NoClassDefFoundError：無法初始化類oracle.dbtools.raptor.config.DBConfig」開始
Uncaught exception
java.lang.NoClassDefFoundError: Could not initialize class oracle.dbtools.raptor.config.DBConfig
o.dbtools.raptor.oviewer.base.NavSelectionListener.viewSelectionChanged(NavSelectionListener.java:176)
o.i.view.View.fireViewSelectionChangedImpl(View.java:495)
o.i.view.ViewDecorator.fireViewSelectionChangedImpl(ViewDecorator.java:59)
o.i.view.View.fireViewSelectionChanged(View.java:485)
o.i.view.View.updateSelectionImpl0(View.java:444)
o.i.view.View.updateSelectionImpl(View.java:429)
o.i.view.View.updateSelection(View.java:306)
o.ideri.navigator.DefaultNavigatorWindow$4.viewSelectionChanged(DefaultNavigatorWindow.java:1108)
o.i.view.View.fireViewSelectionChangedImpl(View.java:495)
o.i.view.View.fireViewSelectionChanged(View.java:485)
o.i.view.View$2.actionPerformed(View.java:349)
jx.s.Timer.fireActionPerformed(Timer.java:271)
jx.s.Timer$DoPostEvent.run(Timer.java:201)
j.a.event.InvocationEvent.dispatch(InvocationEvent.java:209)
j.a.EventQueue.dispatchEvent(EventQueue.java:597)
j.a.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
j.a.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
j.a.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
j.a.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
j.a.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
j.a.EventDispatchThread.run(EventDispatchThread.java:122)
我找不到數據庫導航或者也該錯誤也出現在當我使用與數據庫相關的任何事情，我試圖卸載Jdeveloper並刪除中間件文件夾並重新安裝所有內容以獲得默認但仍相同的故事。
我真的需要儘快解決這個問題，因爲我已經落後於畢業設計。
謝謝。
看起來像IDE中的配置問題。嘗試重新安裝它。 – 2013-03-09 13:24:59