HTTP header parsing errors will be logged at DEBUG level

-- ::00.589 [http-nio--exec-] 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:)
    at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:)
    at java.lang.Thread.run(Thread.java:)