2016-11-10 107 views
0

我被这个问题困住了。我发现了很多类似的问题,但它们与我的情况有所不同(也许我错过了什么?)。GroovyPagesException:应用布局错误

所以,这里是从生产服务器堆栈跟踪:

2016-11-10 04:28:59,148 [qtp1265210847-22] ERROR StackTrace Full Stack Trace: 
org.codehaus.groovy.grails.web.pages.exceptions.GroovyPagesException: Error applying layout : frontend 
    at org.codehaus.groovy.grails.web.servlet.view.GroovyPageView.rethrowRenderException(GroovyPageView.java:179) 
    at org.codehaus.groovy.grails.web.sitemesh.SpringMVCViewDecorator.render(SpringMVCViewDecorator.java:78) 
    at org.codehaus.groovy.grails.web.sitemesh.GrailsLayoutView.renderTemplate(GrailsLayoutView.java:61) 
    at org.codehaus.groovy.grails.web.servlet.view.AbstractGrailsView.renderWithinGrailsWebRequest(AbstractGrailsView.java:49) 
    at org.codehaus.groovy.grails.web.servlet.view.AbstractGrailsView.renderMergedOutputModel(AbstractGrailsView.java:33) 
    at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303) 
    at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1244) 
    at org.codehaus.groovy.grails.web.servlet.GrailsDispatcherServlet.doDispatch(GrailsDispatcherServlet.java:388) 
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) 
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) 
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:687) 
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) 
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:816) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1686) 
    at grails.plugin.cache.web.filter.PageFragmentCachingFilter.doFilter(PageFragmentCachingFilter.java:198) 
    at grails.plugin.cache.web.filter.AbstractFilter.doFilter(AbstractFilter.java:63) 
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) 
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669) 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669) 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669) 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669) 
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581) 
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) 
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:566) 
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226) 
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1156) 
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511) 
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) 
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1088) 
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) 
    at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:199) 
    at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:74) 
    at org.codehaus.groovy.grails.web.mapping.UrlMappingUtils.forwardRequestForUrlMappingInfo(UrlMappingUtils.java:178) 
    at org.codehaus.groovy.grails.web.mapping.UrlMappingUtils.forwardRequestForUrlMappingInfo(UrlMappingUtils.java:144) 
    at org.codehaus.groovy.grails.web.mapping.UrlMappingUtils.forwardRequestForUrlMappingInfo(UrlMappingUtils.java:135) 
    at org.codehaus.groovy.grails.web.mapping.filter.UrlMappingsFilter.doFilterInternal(UrlMappingsFilter.java:216) 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669) 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) 
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) 
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) 
    at javax.servlet.FilterChain$doFilter.call(Unknown Source) 
    at com.medgreat.web.security.AnonymousAjaxRequestFilter.doFilter(AnonymousAjaxRequestFilter.groovy:31) 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) 
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) 
    at grails.plugin.springsecurity.web.filter.GrailsAnonymousAuthenticationFilter.doFilter(GrailsAnonymousAuthenticationFilter.java:53) 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) 
    at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:139) 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) 
    at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) 
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199) 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) 
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199) 
    at grails.plugin.springsecurity.web.authentication.RequestHolderAuthenticationFilter.doFilter(RequestHolderAuthenticationFilter.java:53) 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) 
    at grails.plugin.springsecurity.web.authentication.logout.MutableLogoutFilter.doFilter(MutableLogoutFilter.java:62) 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) 
    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) 
    at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) 
    at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) 
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) 
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669) 
    at org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequestFilter.doFilterInternal(GrailsWebRequestFilter.java:69) 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669) 
    at org.codehaus.groovy.grails.web.filters.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:67) 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669) 
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:85) 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) 
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) 
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669) 
    at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:225) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669) 
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581) 
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) 
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) 
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226) 
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1156) 
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511) 
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) 
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1088) 
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) 
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213) 
    at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:109) 
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:119) 
    at org.eclipse.jetty.server.Server.handle(Server.java:517) 
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:306) 
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:242) 
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:245) 
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95) 
    at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:75) 
    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:213) 
    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:147) 
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654) 
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572) 
    at java.lang.Thread.run(Thread.java:745) 
Caused by: org.codehaus.groovy.grails.web.pages.exceptions.GroovyPagesException: Error processing GroovyPageView: org.eclipse.jetty.io.EofException 
    at org.codehaus.groovy.grails.web.servlet.view.GroovyPageView.createGroovyPageException(GroovyPageView.java:127) 
    at org.codehaus.groovy.grails.web.servlet.view.GroovyPageView.handleException(GroovyPageView.java:104) 
    at org.codehaus.groovy.grails.web.servlet.view.GroovyPageView.renderTemplate(GroovyPageView.java:75) 
    at org.codehaus.groovy.grails.web.servlet.view.AbstractGrailsView.renderWithinGrailsWebRequest(AbstractGrailsView.java:49) 
    at org.codehaus.groovy.grails.web.servlet.view.AbstractGrailsView.renderMergedOutputModel(AbstractGrailsView.java:33) 
    at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303) 
    at org.codehaus.groovy.grails.web.sitemesh.SpringMVCViewDecorator.render(SpringMVCViewDecorator.java:69) 
    ... 107 more 
Caused by: org.eclipse.jetty.io.RuntimeIOException: org.eclipse.jetty.io.EofException 
    at org.eclipse.jetty.server.ResponseWriter.isOpen(ResponseWriter.java:133) 
    at org.eclipse.jetty.server.ResponseWriter.write(ResponseWriter.java:202) 
    at org.springframework.security.web.context.SaveContextOnUpdateOrErrorResponseWrapper$SaveContextPrintWriter.write(SaveContextOnUpdateOrErrorResponseWrapper.java:236) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer$SingleOutputWriter.write(StreamCharBuffer.java:2478) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer$StreamCharBufferWriter.write(StreamCharBuffer.java:1096) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer$StreamCharBufferWriter.write(StreamCharBuffer.java:1075) 
    at org.codehaus.groovy.grails.web.util.GrailsPrintWriter.write(GrailsPrintWriter.java:309) 
    at org.codehaus.groovy.grails.web.util.GrailsPrintWriterAdapter.write(GrailsPrintWriterAdapter.java:147) 
    at org.codehaus.groovy.grails.web.sitemesh.GrailsRoutablePrintWriter.write(GrailsRoutablePrintWriter.java:241) 
    at org.codehaus.groovy.grails.support.encoding.WriterEncodedAppender.write(WriterEncodedAppender.java:52) 
    at org.codehaus.groovy.grails.support.encoding.AbstractEncodedAppender.append(AbstractEncodedAppender.java:104) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer$CharBufferChunk.encodeTo(StreamCharBuffer.java:1765) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer.encodeTo(StreamCharBuffer.java:2852) 
    at org.codehaus.groovy.grails.support.encoding.AbstractEncodedAppender.append(AbstractEncodedAppender.java:207) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer$StreamCharBufferSubChunk.encodeTo(StreamCharBuffer.java:2108) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer.encodeTo(StreamCharBuffer.java:2852) 
    at org.codehaus.groovy.grails.support.encoding.AbstractEncodedAppender.append(AbstractEncodedAppender.java:207) 
    at org.codehaus.groovy.grails.support.encoding.ChainedEncoders.chainStreamingEncode(ChainedEncoders.java:87) 
    at org.codehaus.groovy.grails.support.encoding.ChainedEncoders.chainEncode(ChainedEncoders.java:48) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer$StreamCharBufferSubChunk.encodeTo(StreamCharBuffer.java:2111) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer.encodeTo(StreamCharBuffer.java:2852) 
    at org.codehaus.groovy.grails.support.encoding.AbstractEncodedAppender.append(AbstractEncodedAppender.java:207) 
    at org.codehaus.groovy.grails.support.encoding.ChainedEncoders.chainStreamingEncode(ChainedEncoders.java:87) 
    at org.codehaus.groovy.grails.support.encoding.ChainedEncoders.chainEncode(ChainedEncoders.java:48) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer$StreamCharBufferSubChunk.encodeTo(StreamCharBuffer.java:2111) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer.encodeTo(StreamCharBuffer.java:2852) 
    at org.codehaus.groovy.grails.support.encoding.AbstractEncodedAppender.append(AbstractEncodedAppender.java:207) 
    at org.codehaus.groovy.grails.support.encoding.ChainedEncoders.chainStreamingEncode(ChainedEncoders.java:87) 
    at org.codehaus.groovy.grails.support.encoding.ChainedEncoders.chainEncode(ChainedEncoders.java:48) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer$StreamCharBufferSubChunk.encodeTo(StreamCharBuffer.java:2111) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer.encodeTo(StreamCharBuffer.java:2852) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer.writeToEncodedAppender(StreamCharBuffer.java:633) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer.writeTo(StreamCharBuffer.java:603) 
    at org.codehaus.groovy.grails.web.util.StreamCharBuffer.writeTo(StreamCharBuffer.java:578) 
    at org.codehaus.groovy.grails.web.util.GrailsPrintWriter.write(GrailsPrintWriter.java:489) 
    at org.codehaus.groovy.grails.web.util.GrailsPrintWriter.leftShift(GrailsPrintWriter.java:115) 
    at org.codehaus.groovy.grails.plugins.web.taglib.SitemeshTagLib.captureTagContent(SitemeshTagLib.groovy:80) 
    at org.codehaus.groovy.grails.plugins.web.taglib.SitemeshTagLib.captureTagContent(SitemeshTagLib.groovy) 
    at org.codehaus.groovy.grails.plugins.web.taglib.SitemeshTagLib$_closure3.doCall(SitemeshTagLib.groovy:157) 
    at sun.reflect.GeneratedMethodAccessor655.invoke(Unknown Source) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    at java.lang.reflect.Method.invoke(Method.java:497) 
    at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93) 
    at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325) 
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1210) 
    at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:1123) 
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1019) 
    at groovy.lang.Closure.call(Closure.java:426) 
    at org.codehaus.groovy.grails.web.pages.GroovyPage.invokeTagLibClosure(GroovyPage.java:501) 
    at org.codehaus.groovy.grails.web.pages.GroovyPage.invokeTag(GroovyPage.java:419) 
    at org.codehaus.groovy.grails.web.pages.GroovyPage$invokeTag$4.callCurrent(Unknown Source) 
    at gsp_medgreatWeb_layoutsfrontend_gsp.run(gsp_medgreatWeb_layoutsfrontend_gsp.groovy:69) 
    at org.codehaus.groovy.grails.web.pages.GroovyPageWritable.doWriteTo(GroovyPageWritable.java:217) 
    at org.codehaus.groovy.grails.web.pages.GroovyPageWritable.writeTo(GroovyPageWritable.java:128) 
    at org.codehaus.groovy.grails.web.servlet.view.GroovyPageView.renderTemplate(GroovyPageView.java:71) 
    ... 111 more 
Caused by: org.eclipse.jetty.io.EofException 
    at org.eclipse.jetty.io.ChannelEndPoint.flush(ChannelEndPoint.java:197) 
    at org.eclipse.jetty.io.WriteFlusher.flush(WriteFlusher.java:419) 
    at org.eclipse.jetty.io.WriteFlusher.write(WriteFlusher.java:313) 
    at org.eclipse.jetty.io.AbstractEndPoint.write(AbstractEndPoint.java:141) 
    at org.eclipse.jetty.server.HttpConnection$SendCallback.process(HttpConnection.java:706) 
    at org.eclipse.jetty.util.IteratingCallback.processing(IteratingCallback.java:241) 
    at org.eclipse.jetty.util.IteratingCallback.iterate(IteratingCallback.java:224) 
    at org.eclipse.jetty.server.HttpConnection.send(HttpConnection.java:511) 
    at org.eclipse.jetty.server.HttpChannel.sendResponse(HttpChannel.java:650) 
    at org.eclipse.jetty.server.HttpChannel.write(HttpChannel.java:699) 
    at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:177) 
    at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:163) 
    at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:441) 
    at java.io.ByteArrayOutputStream.writeTo(ByteArrayOutputStream.java:167) 
    at org.eclipse.jetty.server.Utf8HttpWriter.write(Utf8HttpWriter.java:183) 
    at org.eclipse.jetty.server.ResponseWriter.write(ResponseWriter.java:203) 
    ... 164 more 
Caused by: java.io.IOException: Broken pipe 
    at sun.nio.ch.FileDispatcherImpl.write0(Native Method) 
    at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) 
    at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) 
    at sun.nio.ch.IOUtil.write(IOUtil.java:65) 
    at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471) 
    at org.eclipse.jetty.io.ChannelEndPoint.flush(ChannelEndPoint.java:175) 
    ... 179 more 

我的自定义过滤器AnonymousAjaxRequestFilter:

try { 
      filterChain.doFilter(servletRequest, servletResponse) 
     } catch (AccessDeniedException e) { 
      if (ajaxHeader) { 
       if (!session) { 
        response.sendError(HttpServletResponse.SC_FORBIDDEN) 
       } else { 
        response.setStatus(HttpServletResponse.SC_FORBIDDEN) 
       } 
      } else { 
       throw e 
      } 
     } 

似乎没什么特别的。

据我所知,这个错误对用户不会出现,但我们的日志文件被这个异常充斥。

任何想法的例外原因?

+0

看起来像Grails正在尝试应用前端布局。检查以确保您的视图/布局文件夹中有frontend.gsp。 – elixir

+0

当然,我在我的项目中有这个布局。几乎所有的观点都基于它。 –

回答

0

我在这里描述的问题的原因是favicon.ico not found error?

但我没有在我的视图中明确使用URL/favicon。 我发现grails标签为SYNCHRONIZER_TOKEN和SYNCHRONIZER_URL添加了隐藏字段。这里的URL是“/favicon.ico”。