Erro com cast da classe SAXParserFactoryImpl

Pessoal, estou com um problema…

Consigo fazer o deploy da aplicação e colocar no ar com o servidor WebSphere, porem ao acessar a primeira pagina é gerada a seguinte exceção.

java.lang.ClassCastException: org.apache.xerces.jaxp.SAXParserFactoryImpl incompatible with javax.xml.parsers.SAXParserFactory

	at javax.xml.parsers.SAXParserFactory.newInstance(Unknown Source)
	at org.apache.taglibs.standard.tlv.JstlBaseTLV.validate(Unknown Source)
	at org.apache.taglibs.standard.tlv.JstlCoreTLV.validate(Unknown Source)
	at com.ibm.ws.jsp.translator.visitor.validator.ValidateVisitor.validateTagLib(ValidateVisitor.java:1047)
	at com.ibm.ws.jsp.translator.visitor.validator.ValidateVisitor.visitJspRootStart(ValidateVisitor.java:506)
	at com.ibm.ws.jsp.translator.visitor.JspVisitor.processJspElement(JspVisitor.java:138)
	at com.ibm.ws.jsp.translator.visitor.JspVisitor.visit(JspVisitor.java:121)
	at com.ibm.ws.jsp.translator.JspTranslator.processVisitors(JspTranslator.java:127)
	at com.ibm.ws.jsp.translator.utils.JspTranslatorUtil.translateJsp(JspTranslatorUtil.java:214)
	at com.ibm.ws.jsp.translator.utils.JspTranslatorUtil.translateJspAndCompile(JspTranslatorUtil.java:100)
	at com.ibm.ws.jsp.webcontainerext.AbstractJSPExtensionServletWrapper.translateJsp(AbstractJSPExtensionServletWrapper.java:453)
	at com.ibm.ws.jsp.webcontainerext.AbstractJSPExtensionServletWrapper._checkForTranslation(AbstractJSPExtensionServletWrapper.java:421)
	at com.ibm.ws.jsp.webcontainerext.AbstractJSPExtensionServletWrapper.checkForTranslation(AbstractJSPExtensionServletWrapper.java:284)
	at com.ibm.ws.jsp.webcontainerext.AbstractJSPExtensionServletWrapper.handleRequest(AbstractJSPExtensionServletWrapper.java:139)
	at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:321)
	at com.ibm.ws.webcontainer.webapp.WebApp.sendError(WebApp.java:2965)
	at com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.invokeFilters(DefaultExtensionProcessor.java:830)
	at com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:557)
	at com.ibm.ws.wswebcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:113)
	at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3440)
	at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:267)
	at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:815)
	at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1461)
	at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:118)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:458)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:387)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:267)
	at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)
	at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)
	at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)
	at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
	at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
	at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136)
	at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:195)
	at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:743)
	at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:873)
	at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1473)
Caused by: java.lang.ClassCastException: org.apache.xerces.jaxp.SAXParserFactoryImpl incompatible with javax.xml.parsers.SAXParserFactory
	... 37 more

Ou seja quando vou executa o new do construtor da classe SAXParserFactoryImpl gera um ClassCastException.

Alguem sabe de uma solução?

Obrigado