On further testing, this is not a problem until Mahara 15.10. In 1.9 and
1.10, the system works as expected (although it does generating a PHP
warning message about an undefined variable).
To replicate:
1. Add this to your config.php file, to set session timeout to 10 seconds:
$cfg->session_timeout = 10;
2. Log in to Mahara
3. Count to 10
4. Click on the "Dashboard" link again
Expected result: You should be redirected to the login screen and see "Please
login again"
Actual result: You get a white screen from Mahara crashing fatally. This is the
error stack in the logs:
Fatal error: auth_generate_login_form(): The script tried to execute a
method or access a property of an incomplete object. Please ensure that
the class definition "Pieform" of the object you are trying to
operate on was loaded _before_ unserialize() gets called or provide a
__autoload() function to load the class definition in
htdocs/auth/lib.php on line 1944
1. {main}() htdocs/index.php:0
2. smarty() htdocs/index.php:88
3. auth_generate_login_form() htdocs/lib/web.php:703
** No longer affects: mahara/1.9
** No longer affects: mahara/1.10
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https://bugs.launchpad.net/bugs/1495200
Title:
White screen when session times out
Status in Mahara:
Confirmed
Status in Mahara 15.04 series:
Confirmed
Status in Mahara 15.10 series:
Confirmed
Status in Mahara 16.04 series:
Confirmed
Bug description:
Issue with 15.10
If you are logged into mahara and leave the site open in a browser for
some time when you come back and try to navigate somewhere you can end
up with a white blank screen - on refresh of page all works fine.
The problem is this:
PHP Fatal error: auth_generate_login_form(): The script tried to execute a
method or access a property of an incomplete object. Please ensure that the
class definition "Pieform" of the object you are trying to operate on
was loaded _before_ unserialize() gets called or provide a __autoload()
function to load the class definition in
/home/robertl/htdocs/mahara-devel/mahara/htdocs/auth/lib.php on line 1945
Which deals with the line:
return get_login_form_js($SESSION->loginform->build());
In earlier Mahara you would instead be given (via js) a popup login
box.
To manage notifications about this bug go to:
https://bugs.launchpad.net/mahara/+bug/1495200/+subscriptions
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