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银川市住房和城乡建设局网站,上海到北京的火车,百度网盘官网入口,seo建站优化推广起因突然有测试小伙伴反馈进公司官网主页会白屏#xff0c;但只是个例不是普遍现象查监控发现没监控到异常问题查了很久#xff08;这个很久单指对于线上问题来说#xff09;才定位是请求的异常#xff0c;因为这套系统的异常用的是 ExceptionHandler#xff0c;这也导…起因突然有测试小伙伴反馈进公司官网主页会白屏但只是个例不是普遍现象查监控发现没监控到异常问题查了很久这个很久单指对于线上问题来说才定位是请求的异常因为这套系统的异常用的是 ExceptionHandler这也导致问题排查多绕了不少圈子原因异常org.springframework.web.util.NestedServletException : Request processing failed; nested exception is org.apache.coyote.http11.HeadersTooLargeException: An attempt was made to write more data to the response headers than there was room available in the buffer. Increase maxHttpHeaderSize on the connector or write less data into the response headers.at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:982)at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55)at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:105)at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81)at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.springframework.session.web.http.SessionRepositoryFilter.doFilterInternal(SessionRepositoryFilter.java:167)at org.springframework.session.web.http.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:80)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.springframework.cloud.sleuth.instrument.web.TraceFilter.doFilter(TraceFilter.java:150)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106)at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543)at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:609)at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:818)at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1623)at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.coyote.http11.HeadersTooLargeException : An attempt was made to write more data to the response headers than there was room available in the buffer. Increase maxHttpHeaderSize on the connector or write less data into the response headers.at org.apache.coyote.http11.Http11OutputBuffer.checkLengthBeforeWrite(Http11OutputBuffer.java:543)at org.apache.coyote.http11.Http11OutputBuffer.write(Http11OutputBuffer.java:468)at org.apache.coyote.http11.Http11OutputBuffer.write(Http11OutputBuffer.java:454)at org.apache.coyote.http11.Http11OutputBuffer.sendHeader(Http11OutputBuffer.java:414)at org.apache.coyote.http11.Http11Processor.prepareResponse(Http11Processor.java:1200)at org.apache.coyote.AbstractProcessor.action(AbstractProcessor.java:380)at org.apache.coyote.Response.action(Response.java:208)at org.apache.coyote.Response.sendHeaders(Response.java:418)at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:312)at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:293)at org.apache.catalina.connector.CoyoteOutputStream.flush(CoyoteOutputStream.java:118)at org.springframework.cloud.sleuth.instrument.web.TraceServletOutputStream.flush(TraceServletOutputStream.java:128)at org.springframework.session.web.http.OnCommittedResponseWrapper$SaveContextServletOutputStream.flush(OnCommittedResponseWrapper.java:455)at com.fasterxml.jackson.core.json.UTF8JsonGenerator.flush(UTF8JsonGenerator.java:1054)at com.fasterxml.jackson.databind.ObjectWriter.writeValue(ObjectWriter.java:953)at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.writeInternal(AbstractJackson2HttpMessageConverter.java:286)at org.springframework.http.converter.AbstractGenericHttpMessageConverter.write(AbstractGenericHttpMessageConverter.java:106)at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:231)at org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor.handleReturnValue(RequestResponseBodyMethodProcessor.java:174)at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:81)at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:113)at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)... 90 more第一次修复不就是响应头嘛先紧急修复下直接无限大再说。。。 server:max-http-header-size: -1第二次修复改完紧急发布发现没生效。。。不用说肯定掉坑里了。。。看看代码才发现-1 这个无限大是 tomcat 的玩法我 Spring 可不惯着你 Spring 底层是根据是不是为 0 做更新的。。 void customizeTomcat(ServerProperties serverProperties,TomcatEmbeddedServletContainerFactory factory) {if (getBasedir() ! null) {factory.setBaseDirectory(getBasedir());}factory.setBackgroundProcessorDelay(Tomcat.this.backgroundProcessorDelay);customizeRemoteIpValve(serverProperties, factory);if (this.maxThreads 0) {customizeMaxThreads(factory);}if (this.minSpareThreads 0) {customizeMinThreads(factory);}// 老6了吧int maxHttpHeaderSize (serverProperties.getMaxHttpHeaderSize() 0? serverProperties.getMaxHttpHeaderSize() : this.maxHttpHeaderSize);if (maxHttpHeaderSize 0) {customizeMaxHttpHeaderSize(factory, maxHttpHeaderSize);}if (this.maxHttpPostSize ! 0) {customizeMaxHttpPostSize(factory, this.maxHttpPostSize);}if (this.accesslog.enabled) {customizeAccessLog(factory);}if (getUriEncoding() ! null) {factory.setUriEncoding(getUriEncoding());}if (serverProperties.getConnectionTimeout() ! null) {customizeConnectionTimeout(factory,serverProperties.getConnectionTimeout());}if (this.redirectContextRoot ! null) {customizeRedirectContextRoot(factory, this.redirectContextRoot);}if (this.maxConnections 0) {customizeMaxConnections(factory);}if (this.acceptCount 0) {customizeAcceptCount(factory);}if (!ObjectUtils.isEmpty(this.additionalTldSkipPatterns)) {factory.getTldSkipPatterns().addAll(this.additionalTldSkipPatterns);}}server:# Maximum size in bytes of the HTTP message headermax-http-header-size: 1048576彻底修复紧急处理完开始正式挖掘问题处理前后端大佬仔细排查去除了三个前端监控组件彻底解决问题一个小记录其实我就是想记录下这个类org.springframework.boot.autoconfigure.web.ServerProperties 工作中用的最多缺一直忽视的配置类。。。线上不少关于请求的异常都可以在这里找到配置处理类似的上传文件大小、响应头大小、请求数等等
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