Even I'm unable to get DIGEST to work with Tomcat 5....only BASIC and FORM would work with Tomcat [ December 11, 2006: Message edited by: Sayak Banerjee ]
If I were you, I would look for known bugs regarding your version of Tomcat, and see if one is related to the authentication mecanism, especially the DIGEST method.
SCJP 1.4, SCWCD 1.4, SCBCD 1.3, SCBCD 5
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