Thanks Les.
I will look into it and see what is happening.

On Wed, Jul 15, 2009 at 12:21 PM, Les Hazlewood-2 (via Nabble) <
[email protected]<ml-user%[email protected]>
> wrote:

> Hi Alphy,
>
> This is highly irregular - the only way this could occur is if the Servlet
> Container returned null for the httpServletRequest.getSession() call, which
> I'm not sure should ever happen.
>
> Typically after logout, a user is redirected to a home page, login page, or
> some other status page stating the user has been logged out.  Do you do do
> this kind of thing?  If not, you have to be careful not to use the session
> after loggging out the Subject.
>
> That is, ensure that during a thread's execution, you do not do this:
>
> subject.logout();
>
> //some more work, anywhere in the application, but before the response is
> finished
>
> subject.getSession();
>
> This is a limitation of the servlet container, and not of Shiro.  Just be
> aware of when you might be trying to use the http session after you call
> logout.  This is a good reason to redirect immediately after calling
> logout() to ensure this won't happen to you in a webapp.
>
> I hope that helps!
>
> Les
>
> On Tue, Jul 14, 2009 at 11:05 PM, javamallu 
> <binn...@...<http://n2.nabble.com/user/SendEmail.jtp?type=node&node=3261043&i=0>
> > wrote:
>
>>
>> Hi Les,
>>
>> Please find the stack trace.
>>
>> java.lang.IllegalArgumentException: HttpSession constructor argument
>> cannot
>> be null.
>>        at org.jsecurity.web.session.WebSession.<init>(WebSession.java:51)
>>        at
>>
>> org.jsecurity.web.session.ServletContainerSessionManager.createSession(ServletContainerSessionManager.java:85)
>>        at
>>
>> org.jsecurity.web.session.ServletContainerSessionManager.createSession(ServletContainerSessionManager.java:81)
>>        at
>>
>> org.jsecurity.session.mgt.AbstractSessionManager.start(AbstractSessionManager.java:63)
>>        at
>>
>> org.jsecurity.mgt.SessionsSecurityManager.start(SessionsSecurityManager.java:254)
>>        at
>>
>> org.jsecurity.subject.DelegatingSubject.getSession(DelegatingSubject.java:286)
>>        at
>>
>> org.jsecurity.subject.DelegatingSubject.getSession(DelegatingSubject.java:274)
>>        at
>>
>> org.jsecurity.web.DefaultWebSecurityManager.bind(DefaultWebSecurityManager.java:244)
>>        at
>>
>> org.jsecurity.web.DefaultWebSecurityManager.bind(DefaultWebSecurityManager.java:237)
>>        at
>>
>> org.jsecurity.mgt.DefaultSecurityManager.login(DefaultSecurityManager.java:329)
>>        at
>> org.jsecurity.subject.DelegatingSubject.login(DelegatingSubject.java:239)
>>
>>
>> Thanks,
>>
>> Alphy
>>
>>
>> Les Hazlewood-2 wrote:
>> >
>> > Subject#getSession() should not return null.  Do you have a stack trace
>> or
>> > test case that can re-create this issue?  If so, please create a Jira
>> > issue.
>> >
>> > On Tue, Jul 14, 2009 at 12:50 AM, javamallu 
>> > <binn...@...<http://n2.nabble.com/user/SendEmail.jtp?type=node&node=3261043&i=1>>
>> wrote:
>> >
>> >>
>> >> Hi,
>> >>
>> >>
>> >> I am also facing a problem regarding sessions .First time when I login
>> to
>> >> my
>> >> application the Subject.getSession returns a valid session and it is
>> >> successfully loggedin.But when I logout and login again in same
>> >> browser,the
>> >> Subject.getSession returns null.Please help.
>> >>
>> >> Alphy
>> >>
>> >> Razvan wrote:
>> >> >
>> >> > Hi everyone,
>> >> >
>> >> > I am new to JSecurity, I am using it, I have a scenario to implement,
>> I
>> >> > have
>> >> > some problems with it and I thought you could help :)
>> >> >
>> >> > scenario :
>> >> >
>> >> > A website that uses JSecurity to manage user's access to different
>> >> parts
>> >> > of
>> >> > the site. Different parts of the site are subject to different terms
>> >> and
>> >> > conditions. Also, the download of different products are also subject
>> >> > different terms and conditions. These terms and conditions may change
>> >> > while
>> >> > the users are still logged in ( rememberMe or active connection).
>> What
>> >> we
>> >> > need is that once the terms and conditions for a particular
>> >> product/part
>> >> > of
>> >> > the site is changing, some users must be kicked before doing any
>> action
>> >> > and
>> >> > forced to re-login to accept the new terms and conditions. Having
>> this
>> >> > scenario, we need to access a list of all logged in subjects, check
>> >> their
>> >> > principals against our particular set of users and kick those who
>> >> match.
>> >> >
>> >> >
>> >> > problem :
>> >> >
>> >> > I've got the JSecurity sources and tried to follow code paths, debug
>> >> etc
>> >> > etc
>> >> > and went to the point where I have all the active sessions.
>> >> Unfortunately
>> >> > I
>> >> > haven't found a way to reach the subject associated with that session
>> >> and
>> >> > I
>> >> > can't get the subject's principals and check them against my separate
>> >> > list.
>> >> >
>> >> >
>> >> > questions :
>> >> >
>> >> > What is the way to reach the subject via a session, in my case ?
>> >> > Is there another way/s to get all the logged in subjects ?
>> >> > Do you think is a good idea to keep a list of authenticated subjects
>> in
>> >> my
>> >> > Realm implementation ? Does it affect clustering or anything else (
>> >> mainly
>> >> > distributed stuff ) ?
>> >> >
>> >> >
>> >> > still digging :
>> >> >
>> >> > If you will point me to some listeners, none of the listeners
>> >> > (AuthenticatingListener or SessionListener) does not know about the
>> >> > subject
>> >> > but only auth token, auth info, and session so I cannot really handle
>> >> my
>> >> > problem (storing the subject somewhere at login time or session
>> >> initiation
>> >> > time) only by using listeners and without extending some JSecurity
>> >> classes
>> >> > like SecurityManager impls which is not necessary a big effort but it
>> >> > looks
>> >> > like it (not very nice to maintain) for such a basic thing.
>> >> >
>> >> >
>> >> > Kind Regards,
>> >> >
>> >> > Thanks in advance
>> >> >
>> >> > Razvan
>> >> >
>> >> >
>> >>
>> >> --
>> >> View this message in context:
>> >>
>> http://n2.nabble.com/Subject-Session-relationship-tp2303079p3254275.html
>> >> Sent from the Shiro User mailing list archive at Nabble.com.
>> >>
>> >
>> >
>>
>> --
>> View this message in context:
>> http://n2.nabble.com/Subject-Session-relationship-tp2303079p3260763.html
>> Sent from the Shiro User mailing list archive at Nabble.com.
>>
>
>
>
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