Can you post the settings you're using for the Geronimo LDAPLoginModule? Dave
-----Original Message----- From: sreepriya ramakrishnan [mailto:[EMAIL PROTECTED] Sent: Monday, October 02, 2006 9:31 AM To: user@geronimo.apache.org Subject: Custom Login Module .LDAPLoginModule and Exception Hi all, I have configured the LDAPLoginModule provided by Geronimo and another custom login module in a stacked manner in Geronimo V1.0. I have my own callbackHandler class implemented and I try to invoke the configured modules in a Servlet Filter in the following manner: lc = new Logincontext("myrealmnam",mycallbackhandler); I get the followign exception: Login failed: javax.security.auth.login.LoginException: Error filling callback list I have configured teh LDAPLoginModule as the first one in the stack and if it is successful, the second module will be called. There seems to be no further details. Can someone please let me know what is the meaning of teh exception? Thanks, Priya __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com