FreeMarker template error (HTML_DEBUG mode; use RETHROW in production!)

Error while loading tag library for URI "/WEB-INF/struts-tags.tld" from TLD location "servletContext:/WEB-INF/struts-tags.tld"; see cause exception.

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FTL stack trace ("~" means nesting-related):
	- Failed at: #assign s = JspTaglibs["/WEB-INF/stru...  [in template "WEB-INF/ftl/news.ftl" at line 1, column 1]
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Java stack trace (for programmers):
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freemarker.template.TemplateModelException: [... Exception message was already printed; see it above ...]
	at freemarker.ext.jsp.TaglibFactory.get(TaglibFactory.java:263)
	at freemarker.core.DynamicKeyName.dealWithStringKey(DynamicKeyName.java:164)
	at freemarker.core.DynamicKeyName._eval(DynamicKeyName.java:84)
	at freemarker.core.Expression.eval(Expression.java:101)
	at freemarker.core.Assignment.accept(Assignment.java:134)
	at freemarker.core.Environment.visit(Environment.java:347)
	at freemarker.core.Environment.visit(Environment.java:353)
	at freemarker.core.Environment.process(Environment.java:326)
	at freemarker.template.Template.process(Template.java:383)
	at org.apache.struts2.views.freemarker.FreemarkerResult.doExecute(FreemarkerResult.java:184)
	at org.apache.struts2.result.StrutsResultSupport.execute(StrutsResultSupport.java:206)
	at org.apache.struts2.rest.RestActionInvocation.executeResult(RestActionInvocation.java:227)
	at org.apache.struts2.rest.RestActionInvocation.processResult(RestActionInvocation.java:189)
	at org.apache.struts2.rest.RestActionInvocation.invoke(RestActionInvocation.java:137)
	at com.opensymphony.xwork2.DefaultActionProxy.execute(DefaultActionProxy.java:157)
	at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:574)
	at org.apache.struts2.dispatcher.ExecuteOperations.executeAction(ExecuteOperations.java:79)
	at org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:141)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at com.esign.struts.action.webStart.RemoveJsessionId.doFilter(RemoveJsessionId.java:58)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at com.esign.struts.filter.XssFilter.doFilter(XssFilter.java:50)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:957)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)
Caused by: freemarker.ext.jsp.TaglibFactory$TldParsingSAXException: In jndi:/localhost/WEB-INF/struts-tags.tld, at line 2784, column 9:
Not found class "org.apache.struts2.views.jsp.ui.DivTag" for custom tag "div".
	at freemarker.ext.jsp.TaglibFactory$TldParserForTaglibBuilding.newTLDEntryClassLoadingException(TaglibFactory.java:1846)
	at freemarker.ext.jsp.TaglibFactory$TldParserForTaglibBuilding.resoveClassFromTLD(TaglibFactory.java:1829)
	at freemarker.ext.jsp.TaglibFactory$TldParserForTaglibBuilding.endElement(TaglibFactory.java:1705)
	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:609)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1782)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2967)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:602)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:505)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:841)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:770)
	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)
	at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:643)
	at freemarker.ext.jsp.TaglibFactory.parseXml(TaglibFactory.java:881)
	at freemarker.ext.jsp.TaglibFactory.access$1300(TaglibFactory.java:96)
	at freemarker.ext.jsp.TaglibFactory$Taglib.parseToTagsAndFunctions(TaglibFactory.java:1477)
	at freemarker.ext.jsp.TaglibFactory$Taglib.<init>(TaglibFactory.java:1459)
	at freemarker.ext.jsp.TaglibFactory.loadTaglib(TaglibFactory.java:855)
	at freemarker.ext.jsp.TaglibFactory.get(TaglibFactory.java:259)
	... 40 more
Caused by: java.lang.ClassNotFoundException: org.apache.struts2.views.jsp.ui.DivTag
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:264)
	at freemarker.template.utility.ClassUtil.forName(ClassUtil.java:92)
	at freemarker.ext.jsp.TaglibFactory$TldParserForTaglibBuilding.resoveClassFromTLD(TaglibFactory.java:1827)
	... 57 more