HTTP Status 400 – Bad Request

Type Exception Report

Message Invalid character found in the request target [/article/3904763/%E7%BE%8E%E6%B3%95%E5%AE%98%E8%A3%81%E5%AE%9A%20%E8%81%AF%E9%82%A6%E6%94%BF%E5%BA%9C%E6%9A%AB%E5%8F%AF%E7%B9%BC%E7%BA%8C%E8%A3%81%E5%93%A1?mtc\u003d70025 ]. The valid characters are defined in RFC 7230 and RFC 3986

Description The server cannot or will not process the request due to something that is perceived to be a client error (e.g., malformed request syntax, invalid request message framing, or deceptive request routing).

Exception

java.lang.IllegalArgumentException: Invalid character found in the request target [/article/3904763/%E7%BE%8E%E6%B3%95%E5%AE%98%E8%A3%81%E5%AE%9A%20%E8%81%AF%E9%82%A6%E6%94%BF%E5%BA%9C%E6%9A%AB%E5%8F%AF%E7%B9%BC%E7%BA%8C%E8%A3%81%E5%93%A1?mtc\u003d70025 ]. The valid characters are defined in RFC 7230 and RFC 3986
	org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:482)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:263)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:928)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1794)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
	org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
	org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.base/java.lang.Thread.run(Thread.java:833)

Note The full stack trace of the root cause is available in the server logs.

Apache Tomcat/9.0.83