本文主要是介绍【Tomcat】已解决：java.lang.IllegalArgumentException: 在请求目标中找到无效字符。有效字符在RFC 7230和RFC 3986中定义，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
【Tomcat】已解决：java.lang.IllegalArgumentException: 在请求目标中找到无效字符。有效字符在RFC 7230和RFC 3986中定义
[http-nio-8080-exec-7] org.apache.coyote.http11.Http11Processor.service 解析 HTTP 请求 header 错误
注意：HTTP请求解析错误的进一步发生将记录在DEBUG级别。
java.lang.IllegalArgumentException: 在请求目标中找到无效字符。有效字符在RFC 7230和RFC 3986中定义
at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:509)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:511)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:831)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1650)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
方案一、
Tomcat官网给出的方案：
http://tomcat.apache.org/tomcat-8.0-doc/config/systemprops.html
tomcat.util.http.parser.HttpParser. requestTargetAllow
This system property is deprecated. Use the relaxedPathChars and relaxedQueryChars attributes of the Connector instead. These attributes permit a wider range of characters to be configured as valid.
A string comprised of characters the server should allow even when they are not encoded. These characters would normally result in a 400 status.
The acceptable characters for this property are: |, { , and }
WARNING: Use of this option may expose the server to CVE-2016-6816.
If not specified, the default value of null will be used.
方案二、
修改server.xml 配置
tomcat --> conf--> server.xml
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443"
URIEncoding="utf-8" relaxedPathChars="|{}[],%"
relaxedQueryChars="|{}[],%"
/>
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