Trying to get property of non-object

Resolved Trying to get property of non-object

Alain Rivest
Bugs
Sunday, 16 September 2012
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Hi Daniel, my test site gave me theses errors on Joomla 2.5.7 :



[Sun Sep 16 09:59:47 2012] [error] [client 127.0.0.1] PHP Notice:  Trying to get property of non-object in /var/www/aldra/libraries/joomla/updater/adapters/extension.php on line 193, referer: http://localhost/

[Sun Sep 16 09:59:47 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/

[Sun Sep 16 09:59:47 2012] [error] [client 127.0.0.1] PHP   1. {main}() /var/www/aldra/administrator/index.php:0, referer: http://localhost/

[Sun Sep 16 09:59:47 2012] [error] [client 127.0.0.1] PHP   2. JAdministrator->render() /var/www/aldra/administrator/index.php:52, referer: http://localhost/

[Sun Sep 16 09:59:47 2012] [error] [client 127.0.0.1] PHP   3. JApplication->triggerEvent() /var/www/aldra/administrator/includes/application.php:204, referer: http://localhost/

[Sun Sep 16 09:59:47 2012] [error] [client 127.0.0.1] PHP   4. JDispatcher->trigger() /var/www/aldra/libraries/joomla/application/application.php:642, referer: http://localhost/

[Sun Sep 16 09:59:47 2012] [error] [client 127.0.0.1] PHP   5. JEvent->update() /var/www/aldra/libraries/joomla/event/dispatcher.php:161, referer: http://localhost/

[Sun Sep 16 09:59:47 2012] [error] [client 127.0.0.1] PHP   6. call_user_func_array() /var/www/aldra/libraries/joomla/event/event.php:71, referer: http://localhost/

[Sun Sep 16 09:59:47 2012] [error] [client 127.0.0.1] PHP   7. plgSystemCupdater->onAfterRender() /var/www/aldra/libraries/joomla/event/event.php:0, referer: http://localhost/

[Sun Sep 16 09:59:47 2012] [error] [client 127.0.0.1] PHP   8. plgSystemCupdater->checkForUpdates() /var/www/aldra/plugins/system/cupdater/cupdater.php:48, referer: http://localhost/

[Sun Sep 16 09:59:47 2012] [error] [client 127.0.0.1] PHP   9. JUpdater->findUpdates() /var/www/aldra/plugins/system/cupdater/cupdater.php:177, referer: http://localhost/

[Sun Sep 16 09:59:47 2012] [error] [client 127.0.0.1] PHP  10. JUpdaterExtension->findUpdate() /var/www/aldra/libraries/joomla/updater/updater.php:118, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP Notice:  Trying to get property of non-object in /var/www/aldra/libraries/joomla/updater/adapters/collection.php on line 131, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   1. {main}() /var/www/aldra/administrator/index.php:0, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   2. JAdministrator->render() /var/www/aldra/administrator/index.php:52, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   3. JApplication->triggerEvent() /var/www/aldra/administrator/includes/application.php:204, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   4. JDispatcher->trigger() /var/www/aldra/libraries/joomla/application/application.php:642, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   5. JEvent->update() /var/www/aldra/libraries/joomla/event/dispatcher.php:161, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   6. call_user_func_array() /var/www/aldra/libraries/joomla/event/event.php:71, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   7. plgSystemCupdater->onAfterRender() /var/www/aldra/libraries/joomla/event/event.php:0, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   8. plgSystemCupdater->checkForUpdates() /var/www/aldra/plugins/system/cupdater/cupdater.php:48, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   9. JUpdater->findUpdates() /var/www/aldra/plugins/system/cupdater/cupdater.php:177, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP  10. JUpdaterCollection->findUpdate() /var/www/aldra/libraries/joomla/updater/updater.php:118, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP  11. xml_parse() /var/www/aldra/libraries/joomla/updater/adapters/collection.php:243, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP  12. JUpdaterCollection->_startElement() /var/www/aldra/libraries/joomla/updater/adapters/collection.php:0, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP Notice:  Trying to get property of non-object in /var/www/aldra/libraries/joomla/updater/adapters/collection.php on line 131, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   1. {main}() /var/www/aldra/administrator/index.php:0, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   2. JAdministrator->render() /var/www/aldra/administrator/index.php:52, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   3. JApplication->triggerEvent() /var/www/aldra/administrator/includes/application.php:204, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   4. JDispatcher->trigger() /var/www/aldra/libraries/joomla/application/application.php:642, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   5. JEvent->update() /var/www/aldra/libraries/joomla/event/dispatcher.php:161, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   6. call_user_func_array() /var/www/aldra/libraries/joomla/event/event.php:71, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   7. plgSystemCupdater->onAfterRender() /var/www/aldra/libraries/joomla/event/event.php:0, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   8. plgSystemCupdater->checkForUpdates() /var/www/aldra/plugins/system/cupdater/cupdater.php:48, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP   9. JUpdater->findUpdates() /var/www/aldra/plugins/system/cupdater/cupdater.php:177, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP  10. JUpdaterCollection->findUpdate() /var/www/aldra/libraries/joomla/updater/updater.php:118, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP  11. xml_parse() /var/www/aldra/libraries/joomla/updater/adapters/collection.php:243, referer: http://localhost/

[Sun Sep 16 09:59:48 2012] [error] [client 127.0.0.1] PHP  12. JUpdaterCollection->_startElement() /var/www/aldra/libraries/joomla/updater/adapters/collection.php:0, referer: http://localhost/

Responses (2)

Daniel Dimitrov

Support team

Accepted Answer Pending Moderation

Hey Alain,
Thanks for reporting this. On a production site you'll have to disable error reporting (just log them in the log file - I guess this is what you are already doing?) On the other hand I don't see any fatal error there - just notices and most of them come from the joomla framework and not from the plugin.
I'll try to reproduce that and fix it.
Cheers,
Daniel

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more than a month ago
Bugs
# 1

Alain Rivest

Accepted Answer Pending Moderation

Yes this is only on my test site. I don't have any problems with the plugin, so maybe it's nothing important.

more than a month ago
Bugs
# 2

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1

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