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Cron error:

“Cron run failed”

“Attempting to re-run cron while it is still running.”

“Cron run exceeded time limit and was aborted.”

“Cron has been running for an hour and is most likely stuck.”

I got these horrible messages after I upgraded to D615 and caused possibly by my cavalier attitude to re-enabling all the modules.

I checked and re-booted my server, but this was OK as my other sites were working correctly.

I searched for a solution, and there is plenty out there in the field, so I have put all the solutions I found under one roof for other poor souls who may suffer the same stress that I did!

1. try disabling the modules and then try and run cron manually.

2. Using phpMyadmin in your database, try deleting in 'variable' cron_last and cron_semaphore.

   They can take a bit of finding. Clear your cache. There are reports of this working.

3. In /modules/common.inc change

   $semaphore=variable_get('cron_semaphore',FALSE);

   to

   $semaphore=FALSE; hopefully run cron with success, then revert the change

4. could be MySQL timing out... look in /etc/my.cnf and setting it to something that allows longer runs

5. the solution that worked for me. Go to settings.php add or change the line

   ini_set(“max_execution_time”,XX); where XX is seconds... I put in 120, setting it to 0 means 'never timeout'.

6. I would welcome any other solutions... you never know!

Hope this is useful,

boz