MDL-45455 quiz cron must rollback transaction on error.

moodle · May 15, 2014 · 6f988b7 · 6f988b7
1 parent a929fd5
commit 6f988b7
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/mod/quiz/cronlib.php b/mod/quiz/cronlib.php
@@ -84,6 +84,9 @@ public function update_overdue_attempts($timenow, $processto) {
                 mtrace("Error while processing attempt {$attempt->id} at {$attempt->quiz} quiz:");
                 mtrace($e->getMessage());
                 mtrace($e->getTraceAsString());
+                // Close down any currently open transactions, otherwise one error
+                // will stop following DB changes from being committed.
+                $DB->force_transaction_rollback();
             }
         }