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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 34547] New: - Tomcat "forgets" a session attribute when reloading context
Date Thu, 21 Apr 2005 02:11:15 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=34547

           Summary: Tomcat "forgets" a session attribute when reloading
                    context
           Product: Tomcat 5
           Version: 5.5.9
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Unknown
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: fleona@cantv.net


Hi 'catters. I am having a small but annoying behavior in Tomcat. Tested on
5.0.28 and 5.5.9

I use Eclipse 3.02 for development, along the Sysdeo Tomcat Plugin and
Freemarker for MVC. My context path is set to be reloadable, and when i am
coding, if i make some change to the code, the context gets reloaded by the
plugin, and a session attribute gets null'ed.

The weirdest thing is that not all of the session attributes are nulled. Just
this one we will call "user".

I will try to explain what happens with pseudocode.

When the users log on to my application, this happens:

ForumUser user = run_sql_here;

ForumUser is a bean with some properties. That query stores:
-a user id (int)
-a timezone (string)
-a language (string)

All of the other attributes in the object are not used at this time.

session.setAttribute("logged_user_name",username);
session.setAttribute("permission",permissions);

if (user!=null) {
    session.setAttribute("userpreferences",user);
}

This is the ONLY time that attribute gets set. It ONLY gets removed when the
session is invalidated.

When i change code and the context gets reloaded, the "user" attribute gets
null, and the other 2 attributes (permission and logged_user_name) are OK

If i don't reload the context, everything is OK.

Does anyone have any idea of what is going on?

Do you guys need my code? I will gladly do whatever test you need me to
do to resolve this. It is very annoying to keep logging out and back in to test
new code so my session gets corrected

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