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From Yoav Shapira <>
Subject Re: New Valve Development
Date Wed, 02 Nov 2005 21:34:01 GMT
You have emailed the right list.  Thank you for your contribution, which I'm
sure you find useful.

I am biased against adding any more Valves to Tomcat at the moment, because I
would actually like to do away with the Valve mechanism altogether in favor of
the standards-compliant and portable javax.servlet.Filter approach.  I know
Valves are faster in general, but still, it seems like an over-engineered bit
of Tomcat that I'd like to see go away in the long run.

Accordingly, I don't want to put this into Tomcat proper at this time. 
Instead, I'd love to see it in Filter form instead of Valve form: that would be




--- "Tom E. Cole" <> wrote:

> I have developed a new Valve (which I call the DBAccessLogValve). It is
> similar to the AccessLogValve, other than it logs values to a database
> table rather than writing it to a log file. Many of the configuration
> options are exactly the same as the standard AccessLogValve, with three
> major exceptions:
> 1.	It can be configured to use DBCP or the user can provide
> connection information
> 2.	In addition to setting up a comma separated list of values to
> log, they provide a comma-separated list of column names that
> correspond.
> 3.	The user can configure what file types they want logged (for
> example only .htm and .jsp files).
> It has javadocs and is bundled in a single .jar which currently has to
> be dumped in the %TOMCAT_HOME%/server/lib directory.
> Someone on the Java Forums recommended contributing it to the Tomcat
> project, but I'm not sure how to do that. If this is of interest or
> someone knows how to contribute this, the information would be greatly
> appreciated.
> Tom Cole
> (856) 599-6000 ext. 119
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Yoav Shapira
System Design and Management Fellow
MIT Sloan School of Management
Cambridge, MA, USA /

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