Request header is too large 的问题解决

问题原因

一个新增的接口,因为前端传入一段很长的JSON数组,导致了打印台报错

错误描述

java.lang.IllegalArgumentException: Request header is too large

解决方案

查阅了一下资料得到了一个答案

请求头超过了tomcat的限值。本来post请求是没有参数大小限制,但是服务器有自己的默认大小。

那就修改服务器的大小

普通tomcat

在server.xml中

 <Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443" maxPostSize="0" maxHttpHeaderSize ="102400"/>

处加上maxHttpHeaderSize =”102400”

SpringBoot

SpringBoot项目更方便了,在 application.properties 文件中添加

server.max-http-header-size=102400

其他

SpringBoot内置Tomcat的所有配置选项如下:

server. Port = xxxx

server. Address =

server. contextPath =

server. displayName =

server. servletPath =

server. contextParameters =

server. useForwardHeaders =

server. serverHeader =

server. maxHttpHeaderSize =

server. maxHttpPostSize =

server. connectionTimeout =

server. session.timeout =

server. session.trackingModes =

server. session.persistent =

server.session.storeDir =

server.cookie. name =

server.cookie. domain =

server.cookie. path =

server.cookie. comment =

server.cookie. httpOnly =

server.cookie. secure =

server.cookie. maxAge =

server. ssl. Enabled =

server.ssl. clientAuth =

server.ssl. ciphers =

server.ssl. enabledProtocols =

server.ssl. keyAlias =

server.ssl. keyPassword =

server.ssl. keyStore =

server.ssl. keyStorePassword =

server.ssl. keyStoreType =

server.ssl. keyStoreProvider =

server.ssl. trustStore =

server.ssl. trustStorePassword =

server.ssl. trustStoreType =

server.ssl. trustStoreProvider =

server.ssl. protocol =

server.compression. enabled =

server.compression.mimeTypes =

server.compression.excludedUserAgents =

server.compression.minResponseSize =

server. jspServlet. className =

server.jspServlet. initParameters =

server.jspServlet.registered =

server.tomcat.accesslog.enabled =

server.tomcat.accesslog.pattern =

server.tomcat.accesslog.directory =

server.tomcat.accesslog.prefix =

server.tomcat.accesslog.suffix =

server.tomcat.accesslog.rotate =

server.tomcat.accesslog.renameOnRotate =

server.tomcat.accesslog.requestAttributesEnabled=

server.tomcat.accesslog.buffered =

server.tomcat.internalProxies =

server.tomcat.protocolHeader =

server.tomcat.protocolHeaderHttpsValue =

server.tomcat.portHeader =

server.tomcat.remoteIpHeader=

server.tomcat.basedir =

server.tomcat.backgroundProcessorDelay =

server.tomcat.maxThreads =

server.tomcat.minSpareThreads =

server.tomcat.maxHttpPostSize =

server.tomcat.maxHttpHeaderSize =

server.tomcat.redirectContextRoot =

server.tomcat.uriEncoding =

server.tomcat.maxConnections =

server.tomcat.acceptCount =

server.tomcat.additionalTldSkipPatterns =

 

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