FreeMarker template error!
Expression videoexists is undefined on line 4, column 6 in module/video/module_view_webvideo_001.html.
The problematic instruction:
----------
==> if-else [on line 4, column 1 in module/video/module_view_webvideo_001.html]
in user-directive module_view_webvideo_001 [on line 35, column 13 in tpl/2014/h/www.hengxinhengqi.com/zh-TW/displayvideo.html]
----------
Java backtrace for programmers:
----------
freemarker.core.InvalidReferenceException: Expression videoexists is undefined on line 4, column 6 in module/video/module_view_webvideo_001.html.
at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)
at freemarker.core.ComparisonExpression.isTrue(ComparisonExpression.java:121)
at freemarker.core.IfBlock.accept(IfBlock.java:80)
at freemarker.core.Environment.visit(Environment.java:245)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:245)
at freemarker.core.Macro$Context.runMacro(Macro.java:164)
at freemarker.core.Environment.visit(Environment.java:586)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:128)
at freemarker.core.Environment.visit(Environment.java:245)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:245)
at freemarker.core.Environment.process(Environment.java:225)
at freemarker.template.Template.process(Template.java:241)
at freemarker.ext.servlet.FreemarkerServlet.process(FreemarkerServlet.java:310)
at freemarker.ext.servlet.FreemarkerServlet.doGet(FreemarkerServlet.java:245)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:114)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:91)
at com.caucho.server.dispatch.ServletFilterChain.doFilter(ServletFilterChain.java:103)
at shield.front.action.filter.NotAllowedToTunFilesFilter.doFilter(NotAllowedToTunFilesFilter.java:127)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
at shield.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:81)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
at shield.front.action.filter.InvalidXSSFilter.doFilter(InvalidXSSFilter.java:93)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
at com.caucho.filters.GzipFilter.doFilter(GzipFilter.java:169)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
at com.caucho.server.cache.CacheFilterChain.doFilter(CacheFilterChain.java:192)
at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:187)
at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:265)
at com.caucho.server.hmux.HmuxRequest.handleRequest(HmuxRequest.java:436)
at com.caucho.server.port.TcpConnection.run(TcpConnection.java:682)
at com.caucho.util.ThreadPool$Item.runTasks(ThreadPool.java:743)
at com.caucho.util.ThreadPool$Item.run(ThreadPool.java:662)
at java.lang.Thread.run(Thread.java:662)