RHEL Developerで、Oracle JDeveloperを使おうとしたのですが、起動すると、[予期しない重大なエラーが発生しました]のようなエラーが発生し、詳細をクリックすると、
erforming action (162) null [ from MainWindowView ] [ for ( <none>, Model.jpr, Application1.jws ) ] oracle.jps.config:7 28, 2017 8:08:28 午後 oracle.security.jps.util.JpsUtil disableAudit 情報: JpsUtil: isAuditDisabled set to true Failed to load a window java.lang.ExceptionInInitializerError o.ii.explorer.dnd.JTreeDragHandler.<init>(JTreeDragHandler.java:56) o.ii.explorer.BaseTreeExplorer.createDragSource(BaseTreeExplorer.java:1505) o.ii.explorer.BaseTreeExplorer.createDragDropSupportIfEnabled(BaseTreeExplorer.java:1792) o.ii.explorer.BaseTreeExplorer.getTree(BaseTreeExplorer.java:1479) o.ii.explorer.BaseTreeExplorer.getJTree(BaseTreeExplorer.java:443) o.i.explorer.IconOverlayCoordinator$NodeWatcher.<init>(IconOverlayCoordinator.java:552) o.i.explorer.IconOverlayCoordinator$NodeWatcher.<init>(IconOverlayCoordinator.java:535) o.i.explorer.IconOverlayCoordinator.registerOverlayConsumer(IconOverlayCoordinator.java:231) o.i.explorer.IconOverlayCoordinator.processConsumerChangeEvent(IconOverlayCoordinator.java:211) o.i.explorer.IconOverlayCoordinator.access$100(IconOverlayCoordinator.java:71) o.i.explorer.IconOverlayCoordinator$4.stateChanged(IconOverlayCoordinator.java:189) o.i.explorer.IconOverlayCache.registerOverlayConsumer(IconOverlayCache.java:93) o.ideri.navigator.DefaultNavigatorWindow.createTree(DefaultNavigatorWindow.java:1196) o.ideri.navigator.DefaultNavigatorWindow.getGUI(DefaultNavigatorWindow.java:435) o.i.docking.DockableWindow.getHostedComponent(DockableWindow.java:238) com.oracle.jdeveloper.nbwindowsystem.NbDockableContainer.componentOpened(NbDockableContainer.java:171) org.openide.windows.WindowManager.componentOpenNotify(WindowManager.java:307) org.netbeans.core.windows.WindowManagerImpl.notifyTopComponentOpened(WindowManagerImpl.java:1149) org.netbeans.core.windows.Central.addModeOpenedTopComponent(Central.java:798) org.netbeans.core.windows.ModeImpl.addOpenedTopComponent(ModeImpl.java:354) org.netbeans.core.windows.LazyLoader.lazyLoad(LazyLoader.java:140) org.netbeans.core.windows.PersistenceHandler.initModeFromConfig(PersistenceHandler.java:441) org.netbeans.core.windows.PersistenceHandler.load(PersistenceHandler.java:204) org.netbeans.core.windows.WindowSystemImpl.load(WindowSystemImpl.java:81) org.netbeans.core.GuiRunLevel$InitWinSys.run(GuiRunLevel.java:229) j.a.event.InvocationEvent.dispatch(InvocationEvent.java:311) j.a.EventQueue.dispatchEventImpl(EventQueue.java:756) j.a.EventQueue.access$500(EventQueue.java:97) j.a.EventQueue$3.run(EventQueue.java:709) j.a.EventQueue$3.run(EventQueue.java:703) j.security.AccessController.doPrivileged(Native Method) j.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) j.a.EventQueue.dispatchEvent(EventQueue.java:726) o.javatools.internal.ui.EventQueueWrapper._dispatchEvent(EventQueueWrapper.java:169) o.javatools.internal.ui.EventQueueWrapper.dispatchEvent(EventQueueWrapper.java:151) j.a.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) j.a.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) j.a.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) j.a.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) j.a.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) j.a.EventDispatchThread.run(EventDispatchThread.java:82) Caused by: java.lang.RuntimeException: failed to load system cursor: DnD.Cursor.CopyDrop : cannot load system cursor: CopyDrop.32x32 j.a.dnd.DragSource.load(DragSource.java:135) j.a.dnd.DragSource.<clinit>(DragSource.java:148) o.ii.explorer.dnd.JTreeDragHandler.<init>(JTreeDragHandler.java:56) o.ii.explorer.BaseTreeExplorer.createDragSource(BaseTreeExplorer.java:1505) o.ii.explorer.BaseTreeExplorer.createDragDropSupportIfEnabled(BaseTreeExplorer.java:1792) o.ii.explorer.BaseTreeExplorer.getTree(BaseTreeExplorer.java:1479) o.ii.explorer.BaseTreeExplorer.getJTree(BaseTreeExplorer.java:443) o.i.explorer.IconOverlayCoordinator$NodeWatcher.<init>(IconOverlayCoordinator.java:552) o.i.explorer.IconOverlayCoordinator$NodeWatcher.<init>(IconOverlayCoordinator.java:535) o.i.explorer.IconOverlayCoordinator.registerOverlayConsumer(IconOverlayCoordinator.java:231) o.i.explorer.IconOverlayCoordinator.processConsumerChangeEvent(IconOverlayCoordinator.java:211) o.i.explorer.IconOverlayCoordinator.access$100(IconOverlayCoordinator.java:71) o.i.explorer.IconOverlayCoordinator$4.stateChanged(IconOverlayCoordinator.java:189) o.i.explorer.IconOverlayCache.registerOverlayConsumer(IconOverlayCache.java:93) o.ideri.navigator.DefaultNavigatorWindow.createTree(DefaultNavigatorWindow.java:1196) o.ideri.navigator.DefaultNavigatorWindow.getGUI(DefaultNavigatorWindow.java:435) o.i.docking.DockableWindow.getHostedComponent(DockableWindow.java:238) com.oracle.jdeveloper.nbwindowsystem.NbDockableContainer.componentOpened(NbDockableContainer.java:171) org.openide.windows.WindowManager.componentOpenNotify(WindowManager.java:307) org.netbeans.core.windows.WindowManagerImpl.notifyTopComponentOpened(WindowManagerImpl.java:1149) org.netbeans.core.windows.Central.addModeOpenedTopComponent(Central.java:798) org.netbeans.core.windows.ModeImpl.addOpenedTopComponent(ModeImpl.java:354) org.netbeans.core.windows.LazyLoader.lazyLoad(LazyLoader.java:140) org.netbeans.core.windows.PersistenceHandler.initModeFromConfig(PersistenceHandler.java:441) org.netbeans.core.windows.PersistenceHandler.load(PersistenceHandler.java:204) org.netbeans.core.windows.WindowSystemImpl.load(WindowSystemImpl.java:81) org.netbeans.core.GuiRunLevel$InitWinSys.run(GuiRunLevel.java:229) j.a.event.InvocationEvent.dispatch(InvocationEvent.java:311) j.a.EventQueue.dispatchEventImpl(EventQueue.java:756) j.a.EventQueue.access$500(EventQueue.java:97) j.a.EventQueue$3.run(EventQueue.java:709) j.a.EventQueue$3.run(EventQueue.java:703) j.security.AccessController.doPrivileged(Native Method) j.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) j.a.EventQueue.dispatchEvent(EventQueue.java:726) o.javatools.internal.ui.EventQueueWrapper._dispatchEvent(EventQueueWrapper.java:169) o.javatools.internal.ui.EventQueueWrapper.dispatchEvent(EventQueueWrapper.java:151) j.a.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) j.a.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) j.a.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) j.a.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) j.a.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) j.a.EventDispatchThread.run(EventDispatchThread.java:82)
と表示されました どうすれば良いでしょう?
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