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FreeMarker template error!


 Expression fname is undefined on line 19, column 62 in tpl / 2015 / h / www.huazi.kenfor.com / displayproduct.html.</span>
 The problematic instruction:</span>
 ----------</span>
 ==&gt; $ {fname.id} [on line 19, column 60 in tpl / 2015 / h / www.huazi.kenfor.com / displayproduct.html]</span>
 ----------</span>

 Java backtrace for programmers:</span>
 ----------</span>
 freemarker.core.InvalidReferenceException: Expression fname is undefined on line 19, column 62 in tpl / 2015 / h / www.huazi.kenfor.com / displayproduct.html.</span>
	 at freemarker.core.TemplateObject.assertNonNull (TemplateObject.java:124)</span>
	 at freemarker.core.TemplateObject.invalidTypeException (TemplateObject.java:134)</span>
	 at freemarker.core.Dot._getAsTemplateModel (Dot.java:78)</span>
	 at freemarker.core.Expression.getAsTemplateModel (Expression.java:89)</span>
	 at freemarker.core.Expression.getStringValue (Expression.java:93)</span>
	 at freemarker.core.DollarVariable.accept (DollarVariable.java:76)</span>
	 at freemarker.core.Environment.visit (Environment.java:245)</span>
	 at freemarker.core.MixedContent.accept (MixedContent.java:92)</span>
	 at freemarker.core.Environment.visit (Environment.java:245)</span>
	 at freemarker.core.IfBlock.accept (IfBlock.java:82)</span>
	 at freemarker.core.Environment.visit (Environment.java:245)</span>
	 at freemarker.core.MixedContent.accept (MixedContent.java:92)</span>
	 at freemarker.core.Environment.visit (Environment.java:245)</span>
	 at freemarker.core.Environment.process (Environment.java:225)</span>
	 at freemarker.template.Template.process (Template.java:241)</span>
	 at freemarker.ext.servlet.FreemarkerServlet.process (FreemarkerServlet.java:310)</span>
	 at freemarker.ext.servlet.FreemarkerServlet.doGet (FreemarkerServlet.java:245)</span>
	 at javax.servlet.http.HttpServlet.service (HttpServlet.java:114)</span>
	 at javax.servlet.http.HttpServlet.service (HttpServlet.java:91)</span>
	 at com.caucho.server.dispatch.ServletFilterChain.doFilter (ServletFilterChain.java:103)</span>
	 at shield.front.action.filter.NotAllowedToTunFilesFilter.doFilter (NotAllowedToTunFilesFilter.java:126)</span>
	 at com.caucho.server.dispatch.FilterFilterChain.doFilter (FilterFilterChain.java:87)</span>
	 at shield.SetCharacterEncodingFilter.doFilter (SetCharacterEncodingFilter.java:81)</span>
	 at com.caucho.server.dispatch.FilterFilterChain.doFilter (FilterFilterChain.java:87)</span>
	 at shield.front.action.filter.InvalidXSSFilter.doFilter (InvalidXSSFilter.java:93)</span>
	 at com.caucho.server.dispatch.FilterFilterChain.doFilter (FilterFilterChain.java:87)</span>
	 at com.caucho.filters.GzipFilter.doFilter (GzipFilter.java:151)</span>
	 at com.caucho.server.dispatch.FilterFilterChain.doFilter (FilterFilterChain.java:87)</span>
	 at com.caucho.server.cache.CacheFilterChain.doFilter (CacheFilterChain.java:148)</span>
	 at com.caucho.server.webapp.WebAppFilterChain.doFilter (WebAppFilterChain.java:187)</span>
	 at com.caucho.server.dispatch.ServletInvocation.service (ServletInvocation.java:265)</span>
	 at com.caucho.server.hmux.HmuxRequest.handleRequest (HmuxRequest.java:436)</span>
	 at com.caucho.server.port.TcpConnection.run (TcpConnection.java:682)</span>
	 at com.caucho.util.ThreadPool $ Item.runTasks (ThreadPool.java:743)</span>
	 at com.caucho.util.ThreadPool $ Item.run (ThreadPool.java:662)</span>
	 at java.lang.Thread.run (Thread.java:662)</span>