/usr/share/php/Doctrine/DBAL/Exception/ is in php-doctrine-dbal 2.5.4-2.
This file is owned by root:root, with mode 0o755.
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/usr/share/php/Doctrine/DBAL/Exception/ConnectionException.php
/usr/share/php/Doctrine/DBAL/Exception/ConstraintViolationException.php
/usr/share/php/Doctrine/DBAL/Exception/DatabaseObjectExistsException.php
/usr/share/php/Doctrine/DBAL/Exception/DatabaseObjectNotFoundException.php
/usr/share/php/Doctrine/DBAL/Exception/DriverException.php
/usr/share/php/Doctrine/DBAL/Exception/ForeignKeyConstraintViolationException.php
/usr/share/php/Doctrine/DBAL/Exception/InvalidArgumentException.php
/usr/share/php/Doctrine/DBAL/Exception/InvalidFieldNameException.php
/usr/share/php/Doctrine/DBAL/Exception/NonUniqueFieldNameException.php
/usr/share/php/Doctrine/DBAL/Exception/NotNullConstraintViolationException.php
/usr/share/php/Doctrine/DBAL/Exception/ReadOnlyException.php
/usr/share/php/Doctrine/DBAL/Exception/ServerException.php
/usr/share/php/Doctrine/DBAL/Exception/SyntaxErrorException.php
/usr/share/php/Doctrine/DBAL/Exception/TableExistsException.php
/usr/share/php/Doctrine/DBAL/Exception/TableNotFoundException.php
/usr/share/php/Doctrine/DBAL/Exception/UniqueConstraintViolationException.php