6 files declare their use of MappingException in Zircon Profile 8

AnnotationDriver.php in vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/Driver/AnnotationDriver.php

DefaultFileLocator.php in vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/Driver/DefaultFileLocator.php

FileDriver.php in vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/Driver/FileDriver.php

MappingDriverChain.php in vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/Driver/MappingDriverChain.php

StaticPHPDriver.php in vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/Driver/StaticPHPDriver.php

SymfonyFileLocator.php in vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/Driver/SymfonyFileLocator.php