HTTP Status 400 – Bad Request

Type Exception Report

Message The HTTP header line [referer:http://id.worldcat.org/fast/29047//0x0dD=] does not conform to RFC 7230. The request has been rejected.

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: The HTTP header line [referer:http://id.worldcat.org/fast/29047//0x0dD=] does not conform to RFC 7230. The request has been rejected.
	org.apache.coyote.http11.Http11InputBuffer.skipLine(Http11InputBuffer.java:1080)
	org.apache.coyote.http11.Http11InputBuffer.parseHeader(Http11InputBuffer.java:980)
	org.apache.coyote.http11.Http11InputBuffer.parseHeaders(Http11InputBuffer.java:591)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:286)
	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:63)
	java.lang.Thread.run(Thread.java:750)

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

Apache Tomcat/9.0.86