Meu netbeans paro do nada

java.lang.NoSuchMethodError: org.apache.xerces.impl.xs.XMLSchemaLoader.loadGrammar([Lorg/apache/xerces/xni/parser/XMLInputSource;)V
	at org.apache.xerces.jaxp.validation.XMLSchemaFactory.newSchema(Unknown Source)
	at org.netbeans.modules.project.ant.ProjectXMLCatalogReader.projectXmlCombinedSchema(ProjectXMLCatalogReader.java:189)
	at org.netbeans.modules.project.ant.ProjectXMLCatalogReader.validate(ProjectXMLCatalogReader.java:154)
	at org.netbeans.spi.project.support.ant.AntProjectHelper.saveXml(AntProjectHelper.java:337)
	at org.netbeans.spi.project.support.ant.AntProjectHelper.save(AntProjectHelper.java:617)
	at org.netbeans.spi.project.support.ant.AntProjectHelper.access$100(AntProjectHelper.java:110)
	at org.netbeans.spi.project.support.ant.AntProjectHelper$1.save(AntProjectHelper.java:148)
	at org.netbeans.modules.project.ant.AntBasedProjectFactorySingleton.saveProject(AntBasedProjectFactorySingleton.java:442)
	at org.netbeans.api.project.ProjectManager$6.run(ProjectManager.java:663)
	at org.netbeans.api.project.ProjectManager$6.run(ProjectManager.java:654)
	at org.openide.util.Mutex.writeAccess(Mutex.java:436)
	at org.netbeans.api.project.ProjectManager.saveProject(ProjectManager.java:654)
	at org.netbeans.modules.java.j2seproject.api.J2SEProjectBuilder$1.run(J2SEProjectBuilder.java:303)
	at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:125)
	at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:566)
	at org.netbeans.modules.java.j2seproject.api.J2SEProjectBuilder.build(J2SEProjectBuilder.java:284)
	at org.netbeans.modules.java.j2seproject.J2SEProjectGenerator.createProject(J2SEProjectGenerator.java:73)
	at org.netbeans.modules.java.j2seproject.ui.wizards.NewJ2SEProjectWizardIterator.instantiate(NewJ2SEProjectWizardIterator.java:185)
	at org.openide.loaders.TemplateWizard$InstantiatingIteratorBridge.instantiate(TemplateWizard.java:1019)
	at org.openide.loaders.TemplateWizard.handleInstantiate(TemplateWizard.java:591)
	at org.openide.loaders.TemplateWizard.instantiateNewObjects(TemplateWizard.java:412)
	at org.openide.loaders.TemplateWizardIterImpl.instantiate(TemplateWizardIterImpl.java:256)
	at org.openide.loaders.TemplateWizardIteratorWrapper.instantiate(TemplateWizardIteratorWrapper.java:168)
	at org.openide.WizardDescriptor.callInstantiateOpen(WizardDescriptor.java:1548)
	at org.openide.WizardDescriptor.callInstantiate(WizardDescriptor.java:1505)
	at org.openide.WizardDescriptor.access$1700(WizardDescriptor.java:137)
	at org.openide.WizardDescriptor$Listener$2$1.run(WizardDescriptor.java:2076)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424)
	at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1968)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to
	at org.openide.util.RequestProcessor.post(RequestProcessor.java:425)
	at org.openide.WizardDescriptor$Listener$2.run(WizardDescriptor.java:2122)
	at org.openide.WizardDescriptor$8.run(WizardDescriptor.java:1437)
	at org.openide.WizardDescriptor.lazyValidate(WizardDescriptor.java:1477)
	at org.openide.WizardDescriptor.access$1300(WizardDescriptor.java:137)
	at org.openide.WizardDescriptor$Listener.actionPerformed(WizardDescriptor.java:2132)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:459)
	at $Proxy15.actionPerformed(Unknown Source)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
	at java.awt.Component.processMouseEvent(Component.java:6267)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
	at java.awt.Component.processEvent(Component.java:6032)
	at java.awt.Container.processEvent(Container.java:2041)
	at java.awt.Component.dispatchEventImpl(Component.java:4630)
	at java.awt.Container.dispatchEventImpl(Container.java:2099)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4577)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
	at java.awt.Container.dispatchEventImpl(Container.java:2085)
	at java.awt.Window.dispatchEventImpl(Window.java:2478)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178)
	at java.awt.Dialog$1.run(Dialog.java:1046)
	at java.awt.Dialog$3.run(Dialog.java:1098)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.Dialog.show(Dialog.java:1096)
	at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:1038)
	at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:1072)
	at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:1060)
	at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:126)
	at org.openide.util.Mutex.doEventAccess(Mutex.java:1361)
	at org.openide.util.Mutex.readAccess(Mutex.java:271)
	at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:1045)
	at java.awt.Component.show(Component.java:1563)
	at java.awt.Component.setVisible(Component.java:1515)
	at java.awt.Window.setVisible(Window.java:842)
	at java.awt.Dialog.setVisible(Dialog.java:986)
	at org.openide.loaders.TemplateWizard.instantiateImpl(TemplateWizard.java:498)
	at org.openide.loaders.TemplateWizard.instantiate(TemplateWizard.java:365)
	at org.netbeans.modules.project.ui.actions.NewProject$2.run(NewProject.java:139)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
	at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
	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)
[catch] at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)