Please don't hijack an existing thread. Start a new message for a new topic. (Replying to an existing message and changing the header is not sufficient.)
Mark On 09/04/2020 21:05, Manuel Dominguez Sarmiento wrote: > Hi, we're reviewing our logs, are we are ocasionally getting the > following stack traces: > > 09-Apr-2020 11:29:19.489 INFO [tomcat-http-81] > org.apache.coyote.http11.Http11Processor.service Error parsing HTTP > request header > Note: further occurrences of HTTP request 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.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:488) > > at > org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:260) > at > org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) > > at > org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868) > > at > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1594) > > at > org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) > > at > java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) > > at > java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) > > at > org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) > > > We understand this is a consequence of malformed requests, but we cannot > seem to pinpoint the cause. It seems these are clients outside of our > control (our servers are public-facing). The AccessLogValve does not log > these requests, so we cannot figure out what the request line is. Is > there any way logging could be improved in order to find out what is > causing this? > > BTW, we're on Tomcat 9.0.33 > > *Manuel Dominguez Sarmiento* > > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org