SpringBoot出现 java.lang.IllegalArgumentException: Request header is too large 解决方法
如果是spring boot项目(注意各个版本可能稍有不同):server:port: 8082max-http-header-size: 102400tomcat:max-http-post-size: 10MB如果是Tomcat项目:在tomcat安装目录/config/server.xml文件的Connector配置中增加2个参数:maxPostSize="-1" maxHttpHeader
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问题分析:
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。
09:33:23 [http-nio-8082-exec-1] INFO o.a.coyote.http11.Http11Processor - Error parsing HTTP request header
Note: further occurrences of HTTP request parsing errors will be logged at DEBUG level.
java.lang.IllegalArgumentException: Request header is too large
at org.apache.coyote.http11.Http11InputBuffer.fill(Http11InputBuffer.java:720)
at org.apache.coyote.http11.Http11InputBuffer.parseHeader(Http11InputBuffer.java:867)
at org.apache.coyote.http11.Http11InputBuffer.parseHeaders(Http11InputBuffer.java:563)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:311)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:836)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1747)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
问题分析:
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。
解决方案Tomcat项目:
(1) 修改 tomcat 的 server.xml 的配置文件,增加 请求字段长度。
<Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443" maxPostSize="0" maxHttpHeaderSize ="102400" RIEncoding="UTF-8"/>
处加上maxHttpHeaderSize ="102400"
maxPostSize设置为0,不限制
如果是spring boot项目(注意各个版本可能稍有不同):
server:
port: 8082
max-http-header-size: 102400
tomcat:
max-http-post-size: 10MB
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