Question

我从sql developer连接到数据库。之后我无法运行任何查询。它没有在连接字符串下显示任何数据库对象。我看到以下错误。任何人都可以帮我解决这个问题吗？

java.util.UnknownFormatConversionException: Conversion = '0'
    at java.util.Formatter.checkText(Formatter.java:2503)
    at java.util.Formatter.parse(Formatter.java:2485)
    at java.util.Formatter.format(Formatter.java:2414)
    at java.util.Formatter.format(Formatter.java:2367)
    at java.lang.String.format(String.java:2769)
    at oracle.dbtools.raptor.backgroundTask.internal.SimpleRaptorTaskUI.getFormattedTime(SimpleRaptorTaskUI.java:219)
    at oracle.dbtools.raptor.backgroundTask.internal.RaptorTaskUI.setState(RaptorTaskUI.java:43)
    at oracle.dbtools.raptor.backgroundTask.internal.SimpleRaptorTaskUI.<init>(SimpleRaptorTaskUI.java:59)
    at oracle.dbtools.raptor.backgroundTask.internal.RaptorTaskUI.<init>(RaptorTaskUI.java:36)
    at oracle.dbtools.raptor.backgroundTask.ui.TaskProgressViewer$4.<init>(TaskProgressViewer.java:297)
    at oracle.dbtools.raptor.backgroundTask.ui.TaskProgressViewer.createTaskUI(TaskProgressViewer.java:297)
    at oracle.dbtools.raptor.backgroundTask.RaptorTaskManager.initViewers(RaptorTaskManager.java:338)
    at oracle.dbtools.raptor.backgroundTask.RaptorTaskManager.addTask(RaptorTaskManager.java:279)
    at oracle.dbtools.raptor.backgroundTask.RaptorTaskManager.addTask(RaptorTaskManager.java:184)
    at oracle.dbtools.raptor.backgroundTask.RaptorTaskManager.addTask(RaptorTaskManager.java:145)
    at oracle.dbtools.worksheet.editor.OpenWorksheetWizard.invoke(OpenWorksheetWizard.java:351)
    at oracle.ide.wizard.WizardManager.invokeWizard(WizardManager.java:372)
    at oracle.dbtools.worksheet.editor.WorksheetOpenController$1.run(WorksheetOpenController.java:67)
    at oracle.dbtools.worksheet.editor.WorksheetOpenController.openWorksheetWizard(WorksheetOpenController.java:73)
    at oracle.dbtools.worksheet.editor.WorksheetOpenController.handleEvent(WorksheetOpenController.java:34)
    at oracle.ideimpl.controller.IdeActionHook$MetaClassController.handleEvent(IdeActionHook.java:414)
    at oracle.ide.controller.IdeAction.performAction(IdeAction.java:529)
    at oracle.ide.controller.IdeAction.actionPerformedImpl(IdeAction.java:884)
    at oracle.ide.controller.IdeAction.actionPerformed(IdeAction.java:501)
    at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
    at oracle.ide.controls.ActionMenuToolButton.access$400(ActionMenuToolButton.java:82)
    at oracle.ide.controls.ActionMenuToolButton$FilterActionEvents.actionPerformed(ActionMenuToolButton.java:394)
    at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
    at javax.swing.JToggleButton$ToggleButtonModel.setPressed(JToggleButton.java:291)
    at oracle.ide.controls.ActionMenuToolButton$2.setPressed(ActionMenuToolButton.java:223)
    at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
    at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:273)
    at java.awt.Component.processMouseEvent(Component.java:6297)
    at javax.swing.JComponent.processMouseEvent(JComponent.java:3275)
    at java.awt.Component.processEvent(Component.java:6062)
    at java.awt.Container.processEvent(Container.java:2039)
    at java.awt.Component.dispatchEventImpl(Component.java:4660)
    at java.awt.Container.dispatchEventImpl(Container.java:2097)
    at java.awt.Component.dispatchEvent(Component.java:4488)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4575)
    at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4236)
    at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4166)
    at java.awt.Container.dispatchEventImpl(Container.java:2083)
    at java.awt.Window.dispatchEventImpl(Window.java:2489)
    at java.awt.Component.dispatchEvent(Component.java:4488)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:668)
    at java.awt.EventQueue.access$400(EventQueue.java:81)
    at java.awt.EventQueue$2.run(EventQueue.java:627)
    at java.awt.EventQueue$2.run(EventQueue.java:625)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
    at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
    at java.awt.EventQueue$3.run(EventQueue.java:641)
    at java.awt.EventQueue$3.run(EventQueue.java:639)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:638)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

Answer 1

在我看来，Windows的语言不是“英语（美国）”。

因此，在更改语言首选项并重新启动SQL开发人员之后，该问题得以解决。

SQL Developer中的错误

1 个答案: