// Bug 63145: Rollback any open database transactions
if ( !( $e instanceof UsageException ) ) {
// UsageExceptions are intentional, so don't rollback if that's the case
- MWExceptionHandler::rollbackMasterChangesAndLog( $e );
+ try {
+ MWExceptionHandler::rollbackMasterChangesAndLog( $e );
+ } catch ( DBError $e2 ) {
+ // Rollback threw an exception too. Log it, but don't interrupt
+ // our regularly scheduled exception handling.
+ MWExceptionHandler::logException( $e2 );
+ }
}
// Allow extra cleanup and logging