.. include:: ../../../Includes.txt .. _error-handling-debug-exception-handler: ======================= Debug Exception Handler ======================= Functions of :php:`\TYPO3\CMS\Core\Error\DebugExceptionHandler`: - Shows detailed exception messages and full trace of an exception. - Logs exception messages via the :ref:`TYPO3 logging framework `. - Logs exception messages to the `sys_log` table. Logged errors are displayed in the belog extension (**ADMIN TOOLS > Log**). This will work only if there is an existing DB connection.