JSP Processing Error

HTTP Error Code:   500

Error Message:
JSPG0228E: Exception caught while translating /themes/html/Neotel/Default.jsp: error in statically included file 
/themes/html/Neotel/head_externalJS.jspf(12,37) --> JSPG0009E: Unable to load tag handler class com.ibm.wps.cacheproxy.CacheProxyUrlTag
Root Cause:
com.ibm.ws.jsp.translator.JspTranslationException: JSPG0228E: Exception caught while translating /themes/html/Neotel/Default.jsp: error in statically included file 
/themes/html/Neotel/head_externalJS.jspf(12,37) --> JSPG0009E: Unable to load tag handler class com.ibm.wps.cacheproxy.CacheProxyUrlTag
at com.ibm.ws.jsp.translator.visitor.validator.ValidateVisitor.visitCustomTagStart(ValidateVisitor.java:410)
at com.ibm.ws.jsp.translator.visitor.JspVisitor.processJspElement(JspVisitor.java:366)
at com.ibm.ws.jsp.translator.visitor.JspVisitor.processChildren(JspVisitor.java:419)
at com.ibm.ws.jsp.translator.visitor.JspVisitor.processJspElement(JspVisitor.java:234)
at com.ibm.ws.jsp.translator.visitor.JspVisitor.visit(JspVisitor.java:216)
at com.ibm.ws.jsp.translator.JspTranslator.processVisitors(JspTranslator.java:127)
at com.ibm.ws.jsp.translator.utils.JspTranslatorUtil.translateJsp(JspTranslatorUtil.java:263)
at com.ibm.ws.jsp.translator.utils.JspTranslatorUtil.translateJspAndCompile(JspTranslatorUtil.java:123)
at com.ibm.ws.jsp.webcontainerext.AbstractJSPExtensionServletWrapper.translateJsp(AbstractJSPExtensionServletWrapper.java:560)
at com.ibm.ws.jsp.webcontainerext.AbstractJSPExtensionServletWrapper._checkForTranslation(AbstractJSPExtensionServletWrapper.java:477)
at com.ibm.ws.jsp.webcontainerext.AbstractJSPExtensionServletWrapper.checkForTranslation(AbstractJSPExtensionServletWrapper.java:298)
at com.ibm.ws.jsp.webcontainerext.AbstractJSPExtensionProcessor.findWrapper(AbstractJSPExtensionProcessor.java:498)
at com.ibm.ws.jsp.webcontainerext.AbstractJSPExtensionProcessor.getServletWrapper(AbstractJSPExtensionProcessor.java:338)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1012)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:1390)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.include(WebAppRequestDispatcher.java:551)
at com.ibm.wps.services.dispatcher.DispatcherServiceImpl.handleRequest(DispatcherServiceImpl.java:93)
at com.ibm.wps.services.dispatcher.DispatcherServiceImpl.include(DispatcherServiceImpl.java:53)
at com.ibm.wps.services.dispatcher.Dispatcher.include(Dispatcher.java:50)
at com.ibm.wps.engine.templates.themes.Default.doDispatch(Default.java:79)
at com.ibm.wps.engine.templates.themes.Default.render(Default.java:272)
at com.ibm.wps.engine.templates.ThemeTemplate.render(ThemeTemplate.java:124)
at com.ibm.wps.engine.phases.WPRenderPhase.processRendering(WPRenderPhase.java:543)
at com.ibm.wps.engine.phases.WPBaseRenderPhase.execute(WPBaseRenderPhase.java:249)
at com.ibm.wps.state.phases.AbstractRenderPhase.next(AbstractRenderPhase.java:106)
at com.ibm.wps.engine.phases.WPAbstractRenderPhase.next(WPAbstractRenderPhase.java:100)
at com.ibm.wps.engine.Servlet.callPortal(Servlet.java:277)
at com.ibm.wps.engine.Servlet.doGet(Servlet.java:579)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
at com.ibm.wps.engine.Servlet.doFilter(Servlet.java:359)
at com.ibm.wps.resolver.servlet.ContentHandlerCleanup.doFilter(ContentHandlerCleanup.java:780)
at com.ibm.wps.resolver.servlet.AbstractFilter.doFilter(AbstractFilter.java:103)
at com.ibm.wps.engine.Servlet.service(Servlet.java:1279)
at com.ibm.ws.cache.servlet.ServletWrapper.serviceProxied(ServletWrapper.java:307)
at com.ibm.ws.cache.servlet.CacheHook.handleFragment(CacheHook.java:562)
at com.ibm.ws.cache.servlet.CacheHook.handleServlet(CacheHook.java:255)
at com.ibm.ws.cache.servlet.ServletWrapper.service(ServletWrapper.java:259)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1235)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:779)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:478)
at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.invokeTarget(WebAppFilterChain.java:143)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:96)
at com.ibm.wps.engine.ExtensionFilter$ExtendedFilterChain.doFilter(ExtensionFilter.java:110)
at com.ibm.wps.engine.ExtensionFilter.doFilter(ExtensionFilter.java:197)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:197)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:90)
at com.ibm.wps.engine.SupportedLocalesFilter.doFilter(SupportedLocalesFilter.java:112)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:197)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:90)
at com.ibm.wps.engine.ExtendedLocaleFilter.doFilter(ExtendedLocaleFilter.java:132)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:197)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:90)
at com.ibm.wps.resolver.friendly.servlet.FriendlySelectionFilter.doFilter(FriendlySelectionFilter.java:191)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:197)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:90)
at com.ibm.wps.project.filter.ProjectIdFilter.doFilterWithoutProjectID(ProjectIdFilter.java:405)
at com.ibm.wps.project.filter.ProjectIdFilter.doFilter(ProjectIdFilter.java:319)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:197)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:90)
at com.ibm.wps.services.preview.PreviewFilterImpl.doFilter(PreviewFilterImpl.java:356)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:197)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:90)
at com.ibm.wps.mappingurl.impl.URLAnalyzer.doFilter(URLAnalyzer.java:442)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:197)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:90)
at com.ibm.wps.engine.VirtualPortalFilter.doFilter(VirtualPortalFilter.java:89)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:197)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:90)
at com.ibm.wps.resolver.servlet.ContentHandlerGzip.internalDoFilter(ContentHandlerGzip.java:758)
at com.ibm.wps.resolver.servlet.ContentHandlerGzip.doFilter(ContentHandlerGzip.java:496)
at com.ibm.wps.resolver.servlet.AbstractFilter.doFilter(AbstractFilter.java:103)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:197)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:90)
at com.ibm.wps.state.filter.StateCleanup.doFilter(StateCleanup.java:103)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:197)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:90)
at com.ibm.wps.engine.ServletSubstitutionFilter.doFilter(ServletSubstitutionFilter.java:119)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:197)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:90)
at com.ibm.wps.devicesupport.WorklightFilter.doFilter(WorklightFilter.java:166)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:197)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:90)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:969)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1109)
at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:4144)
at com.ibm.ws.webcontainer.webapp.WebAppImpl.handleRequest(WebAppImpl.java:2208)
at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:304)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1030)
at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1817)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:382)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:465)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:532)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:318)
at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:88)
at com.ibm.ws.ssl.channel.impl.SSLReadServiceContext$SSLReadCompletedCallback.complete(SSLReadServiceContext.java:1820)
at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175)
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:138)
at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1892)