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I am not looking to be first on this - just wanted to see if anyone is running J3.8 and current release of Civi.

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  • I upgraded to Joomla 3.8 last week and have been having the same cron error ever since. I tried the tweaks mentioned here: issues.civicrm.org/jira/browse/CRM-21203 But those don't solve the issue. It would be great if there could be a definitive fix. Every time I either update Joomla or CiviCRM, something breaks with CiviCRM. Without fail. Is there an official fix for this yet? Five days without a running cron is a big hassle.
    – severdia
    Commented Sep 26, 2017 at 3:42
  • 1
    As a reminder, Stack Exchange is not a discussion forum, but a Q&A site. Consider rephrasing to something that solicits definitive answers, and where members of the community can vote for a "best" answer.
    – choster
    Commented Sep 26, 2017 at 16:35

4 Answers 4

Reset to default
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The fix to the file CRM/Utils/System/Joomla.php suggested in the link https://github.com/civicrm/civicrm-core/pull/11062/files?diff=unified made the cron jobs run again for CiviCRM 4.7.25 and Joomla 3.8.1.

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  • I installed the patch linked to above on Oct 6th, and have not since a problem with the CRON since.
    – Neil Z
    Commented Oct 9, 2017 at 18:41
  • Note that this fix won't solve all uses of Joomla cron for some CiviCRM installs. The patch on issues.civicrm.org/jira/browse/CRM-20904 is also necessary.
    – Jon G - Megaphone Tech
    Commented Feb 5, 2018 at 16:27
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I took the plunge and upgraded Joomla to 3.8.0 today. I am seeing two problems with it and CiviCRM 4.7.24:

  • cron jobs are not running
  • In the backend, the Administer > Directories page is broken (only loads partially). There are 3 instances of "ReferenceError: CRM is not defined" appearing in Firebug console.

I have not looked into these any further yet. Cron jobs were definitely working prior to the Joomla upgrade but I don't know if the Directories page was already broken.

UPDATE: I've posted on CRM-21203 some changes to CRM/Utils/System/Joomla.php that get cron jobs working (doesn't fix the Directories page). Joomla 3.8.0 has changed the location of some files in libraries/

Joomla 3.8.0 is a required security update for all previous versions.

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  • I have raised a bug report: issues.civicrm.org/jira/browse/CRM-21203
    – Jern
    Commented Sep 20, 2017 at 7:00
  • Do you also have JoomSEF installed?
    – Jern
    Commented Sep 20, 2017 at 10:51
  • Thanks for confirming and creating the Jira issue. No I'm not using JoomSEF. I noticed that in Joomla 3.7, the class JObject is defined in libraries/joomla/object/object.php. In Joomla 3.8.0 object.php is not present and JObject is not defined anywhere else.
    – Andrew Thompson
    Commented Sep 20, 2017 at 11:47
  • Actually I can see now that JObject is now supposed to be an alias for CMSObject so not sure what the problem is.
    – Andrew Thompson
    Commented Sep 20, 2017 at 11:57
  • I suspect that the JObject error may be just be a symptom. It could be that something in CiviCRM doesn't take account of the new routing regime in Joomla 3.8. docs.joomla.org/J3.x:New_Routing_System This could also explain the Directories page mess-up.
    – Jern
    Commented Sep 20, 2017 at 13:58
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I have a post-3.8 upgrade issue: I don't think it's related to the issue above but sharing in answer to the OP: Joomla 3.8 & CiviCRM 4.7.x - front-end error 500 when logged in

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The issue was not fixed in 4.7.27, appears to be slated for 4.7.28. Manually applying the fix in Joomla.php file here seems to have resolved it https://github.com/civicrm/civicrm-core/pull/11062

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