Hi,
In AccessLogValve and on other places where IPv6 address is logged or
printed, it would bi good if Tomcat would use canonical IPv6 format as
described in RFC 5952 [1] (especially note section "3.2.2. Logging"), e.g:
1. instead of logging 2001:4000:0:5:0:0:0:66, it should log
2001:4000:0:5::66,
2. instead of logging 0:0:0:0:0:0:0:1, it should log ::1.
What do you think about that?
Class Inet6Address method getHostAddress confirms to RFC
recommendations, in everything except in zero groups handling. It simply
prints full form with all zeroes. In Java API I don't see any method to
convert it to canonical form.
I wrote small utility that converts Inet6Address object into canonical
representation. Are you interested in such contribution? Should it be
contributed directly to Tomcat code, or maybe offered to Jakarta Commons
project (Codec or Net component)? If it is contributed to Jakarta
Commons project, would it be a problem to use it in Tomcat, because of
new dependency? Net component seems to be quite big (all kind of
protocol implementations), while Codec contains only small number of
conversion classes, so if it is contributed to commons, is Codec
component better choice?
Regards,
Ognjen
[1] http://tools.ietf.org/html/rfc5952
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