tomcat异常 The valid characters are defined in RFC 7230 and RFC 3986

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本文详细描述了在Tomcat服务器中遇到的Error parsing HTTP request header错误，此错误源于请求目标中包含非法字符，违反了RFC7230和RFC3986的规定。文章提供了具体的解决方案，即通过配置catalina.properties文件中的tomcat.util.http.parser.HttpParser.requestTargetAllow参数来允许特定的字符集。

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.AbstractNioInputBuffer.parseRequestLine(AbstractNioInputBuffer.java:283)
   at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1045)
   at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)
   at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1533)
   at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1489)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
   at java.util.concurrent.ThreadPoolExecutor$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)

解决办法：

配置tomcat/conf下的catalina.properties

添加或者修改：

tomcat.util.http.parser.HttpParser.requestTargetAllow=|{}