HTTP header parsing errors will be logged at DEBUG level

2018-12-27 15:38:00.589 [http-nio-7020-exec-1] INFO ?org.apache.coyote.http11.Http11Processor - Error parsing HTTP request header Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level.java.lang.IllegalArgumentException: Request header is too large ???at org.apache.coyote.http11.Http11InputBuffer.fill(Http11InputBuffer.java:706) ???at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:460) ???at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:687) ???at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) ???at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790) ???at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459) ???at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ???at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ???at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ???at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ???at java.lang.Thread.run(Thread.java:748)