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From: Robert Tupelo-Schneck <schneck@cnri.reston.va.us>
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Subject: Errors at INFO level despite "Note: further occurrences of ... errors
 will be logged at DEBUG level."
Message-Id: <7EBEBD8D-9F49-4F24-A185-51CC66A58F59@cnri.reston.va.us>
Date: Wed, 19 Aug 2015 11:21:27 -0400
To: users@tomcat.apache.org
Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\))

I'm running Tomcat 8.0.24.  I see lots of errors in catalina.out with =
lines like

 Note: further occurrences of Cookie errors will be logged at DEBUG =
level.
 Note: further occurrences of Parameter errors will be logged at DEBUG =
level.
 Note: further occurrences of HTTP header parsing errors will be logged =
at DEBUG level.

But, the errors keep showing up at INFO level!

I get these many many times a day, but I do not get user complaints, and =
I have not been able to cause the errors myself.

I would like to either
(1) Make these errors go away (such as by really having them logged at =
DEBUG level), or
(2) Get detailed information on the client request that caused the error =
so I can figure out how to make them less frequent.

Can anyone advise on how I could accomplish either of those goals?

For completeness, here are the kinds of errors:

org.apache.tomcat.util.http.LegacyCookieProcessor.processCookieHeader =
Cookies: Invalid cookie. Value not a token or quoted value
org.apache.coyote.http11.AbstractHttp11Processor.process Error parsing =
HTTP request header
org.apache.tomcat.util.http.Parameters.processParameters Invalid chunk =
starting at byte [242] and ending at byte [244] with a value of [=3D1] =
ignored

I also see a lot of this one, at SEVERE level; I'd like to deal with it =
the same way as the others:

org.apache.coyote.http11.AbstractHttp11Processor.process Error =
processing request
 java.lang.IllegalArgumentException: Control character in cookie value =
or attribute.

Thanks,
Robert=

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