Good Morning David- What does the log say?
Martin- ----- Original Message ----- From: "David Gagnon" <[EMAIL PROTECTED]> To: "Tomcat Users List" <users@tomcat.apache.org> Sent: Monday, December 19, 2005 7:40 AM Subject: Tomcat 4.1.31, Weird problem. Once in a while an attribute in the session is not found... look like a RACE?! Is that possible???? > Hi all, > > I have a really wreird problem. I have a web site and I get a > NullPointerException once in a while because the > WcPresentationConstants.CURRENT_RESOURCE is null. > > UkResource resource = (UkResource) > param.request.getSession().getAttribute(WcPresentationConstants.CURRENT_RESOURCE); > > > But this code arrive just after the user logs in. And just after we set > the attribute. This error occurs every 3 or 4 weeks and I cannot > reproduce it (So 99% of the time everything works just fine). This code > is always run just after the user log in so there is no user interaction > involved. If the error occurs I have a bug report sent and I print the > object in the report. In the last bug the Attribute was in the REPORT > ?!?! (I remeber have seen a report where the same attribute was null). > For me it`s look like a race .. but all occurs in the same thread. > > Is tomcat can do copy of session object behind de scene.. (maybe becaus > of session reload ???) or is there anything in tomcat that can explain > this (If yes, how can I avoid it )? I just don`t get it I chasing this > bug for months now ... > > Thanks for your help > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > >
