On 01.12.2015 18:30, 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session is no longer valid and force the user back to the login page.
Isn't that what the standard authentication code does ? (or could do ?)
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
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