java.lang.IllegalArgumentException: Unmatched braces in the pattern.
    at java.text.MessageFormat.applyPattern(Unknown Source)
    at java.text.MessageFormat.<init>(Unknown Source)
    at java.text.MessageFormat.format(Unknown Source)
    at org.eclipse.jdt.internal.core.util.Messages.bind(Messages.java:361)
    at org.eclipse.jdt.internal.core.util.Messages.bind(Messages.java:327)
    at org.eclipse.jdt.internal.core.util.Disassembler.disassemble(Disassembler.java:600)
    at org.eclipse.jdt.internal.core.util.Disassembler.disassemble(Disassembler.java:462)
    at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor$SourceAttachmentForm.updateCodeView(ClassFileEditor.java:400)
    at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor$SourceAttachmentForm.createControl(ClassFileEditor.java:212)
    at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.verifyInput(ClassFileEditor.java:715)
    at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.createPartControl(ClassFileEditor.java:672)
    at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:609)
    at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:384)
    at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:552)
    at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:223)
    at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2362)
    at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2295)
    at org.eclipse.ui.internal.WorkbenchPage.access$9(WorkbenchPage.java:2287)
    at org.eclipse.ui.internal.WorkbenchPage$9.run(WorkbenchPage.java:2273)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69)
    at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2268)
    at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2249)
    at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:263)
    at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:140)
    at org.eclipse.jdt.internal.ui.actions.OpenActionUtil.open(OpenActionUtil.java:49)
    at org.eclipse.jdt.internal.ui.javaeditor.OverrideIndicatorManager$OverrideIndicator.open(OverrideIndicatorManager.java:107)
    at org.eclipse.jdt.internal.ui.javaeditor.JavaSelectAnnotationRulerAction.run(JavaSelectAnnotationRulerAction.java:69)
    at org.eclipse.ui.texteditor.AbstractRulerActionDelegate.run(AbstractRulerActionDelegate.java:99)
    at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:246)
    at org.eclipse.ui.internal.PluginAction.run(PluginAction.java:208)
    at org.eclipse.ui.texteditor.AbstractTextEditor$12.triggerAction(AbstractTextEditor.java:2238)
    at org.eclipse.ui.texteditor.AbstractTextEditor$12.mouseUp(AbstractTextEditor.java:2245)
    at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:137)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:843)
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3080)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2713)
    at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1699)
    at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1663)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:367)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:143)
    at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:103)
    at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:226)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:376)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:163)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.eclipse.core.launcher.Main.invokeFramework(Main.java:334)
    at org.eclipse.core.launcher.Main.basicRun(Main.java:278)
    at org.eclipse.core.launcher.Main.run(Main.java:973)
    at org.eclipse.core.launcher.Main.main(Main.java:948)
网上说是语言包问题.但我一直调不成功.请各位帮忙