On 12/1/2015 11:30 AM, Jerry Malcolm wrote:
I'm looking for a way to detect that the current session has expired
(or logged out via another tab on the browser). I know I could just
issue dummy requests to the server and see if a login page comes
back. But issuing requests automatically resets the session timer. I
need a benign way to query that doesn't keep the session alive forever.
I'm sure this problem has been solved before. But basically, I want
to know that the session is no longer valid and force the user back to
the login page. I know one possibility is to set the Tomcat timer to
30 min expiration, and then keep a '29 minute' timer running in the
browser. But my clients can change the tomcat session timer length.
And also this doesn't account for a logoff using the same session on a
different browser tab. I'd really like a pro-active query method if
anything like that exists.
Suggestion?
Thanks.
Jerry
One problem with checking the session status from the browser is time.
A response may be received from the server that indicates the session
has not expired BUT, the session may then expire before the next message
is sent.
-Terence Bandoian
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