Erro no Struts

Usando o Validator do Struts deu o seguinte erro:

Document root element "formset", must match DOCTYPE root "null". at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source) at org.apache.xerces.util.ErrorHandlerWrapper.error(Unknown Source) at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source) at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source) at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source) at org.apache.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.XMLParser.parse(Unknown Source) at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source) at org.apache.commons.digester.Digester.parse(Digester.java:1567) at org.apache.commons.validator.ValidatorResources.<init>(ValidatorResources.java:159) at org.apache.struts.validator.ValidatorPlugIn.initResources(ValidatorPlugIn.java:233) at org.apache.struts.validator.ValidatorPlugIn.init(ValidatorPlugIn.java:164) at org.apache.struts.action.ActionServlet.initModulePlugIns(ActionServlet.java:839) at org.apache.struts.action.ActionServlet.init(ActionServlet.java:332) at javax.servlet.GenericServlet.init(GenericServlet.java:211) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1029) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:862) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4013) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4357) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:823) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595) 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:324) at org.apache.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.java:503) at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:149) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:473) at org.apache.catalina.core.StandardContext.init(StandardContext.java:5441) 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:324) at org.apache.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.java:503) at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:149) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:473) at org.jboss.web.tomcat.tc5.TomcatDeployer.performDeployInternal(TomcatDeployer.java:316) at org.jboss.web.tomcat.tc5.TomcatDeployer.performDeploy(TomcatDeployer.java:76) at org.jboss.web.AbstractWebDeployer.start(AbstractWebDeployer.java:320) at org.jboss.web.WebModule.startModule(WebModule.java:62) at org.jboss.web.WebModule.startService(WebModule.java:40) at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:271) at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:221) 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:324) at org.jboss.mx.server.ReflectedDispatcher.dispatch(ReflectedDispatcher.java:60) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:62) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:54) at org.jboss.mx.server.Invocation.invoke(Invocation.java:82) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:197) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:473) at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:884) at $Proxy18.start(Unknown Source) at org.jboss.system.ServiceController.start(ServiceController.java:414) at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.server.ReflectedDispatcher.dispatch(ReflectedDispatcher.java:60) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:62) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:54) at org.jboss.mx.server.Invocation.invoke(Invocation.java:82) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:197) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:473) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:176) at $Proxy35.start(Unknown Source) at org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:363) at org.jboss.deployment.MainDeployer.start(MainDeployer.java:829) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:641) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:604) at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.server.ReflectedDispatcher.dispatch(ReflectedDispatcher.java:60) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:62) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:54) at org.jboss.mx.server.Invocation.invoke(Invocation.java:82) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:197) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:473) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:176) at $Proxy8.deploy(Unknown Source) at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:304) at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:478) at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:201) at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:212) at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:191)

Alguém tem alguma sugestão???
:lol: :lol: :lol: :lol: