Error parsing HTTP request header 控制台报错分析与解决

最新推荐文章于 2023-10-10 10:13:14 发布
转载 最新推荐文章于 2023-10-10 10:13:14 发布 · 1.3k 阅读 · 1 ·
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原文链接：http://www.cnblogs.com/ladyM/p/10532886.html
文章标签：

#开发工具 #前端 #java #ViewUI

本文详细解析了Tomcat中出现的HTTP请求头解析错误，主要原因是header缓冲区大小不足或URL中包含非法字符。文章提供了两种解决方案，一是调整Tomcat配置文件server.xml中的maxHttpHeaderSize参数；二是对URL中的不安全字符进行转义。

控制台报错信息：

 org.apache.coyote.http11.AbstractHttp11Processor process
信息: Error parsing HTTP request header
 Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level.
java.lang.IllegalArgumentException: Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986
	at org.apache.coyote.http11.InternalInputBuffer.parseRequestLine(InternalInputBuffer.java:194)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1050)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:744)

　　解决方案及原因分析：

一、原因是Tomcat的header缓冲区大小不够,只需要在server.xml中增加maxHttpHeaderSize，设置如

<Connector connectionTimeout="20000" maxHttpHeaderSize="8999" port="8080" protocol="HTTP/1.1" redirectPort="8443"/>

二、使用了不安全字符，他们直接放在Url中的时候，可能会引起解析程序的歧义。如

{ } | \ ^ [ ] ` ~ % # 等

如果要在url里使用不安全字符，就需要使用转义。

转载于:https://www.cnblogs.com/ladyM/p/10532886.html

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