30183138
Description
Quiz by Pascal Bartl, updated more than 1 year ago
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Created by Pascal Bartl
about 3 years ago
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Question 1
Question
Which error and exception handlers exist in TYPO3 by default? (2)
Answer
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Class \TYPO3\CMS\Core\Error\ErrorHandler as the default error handler
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Class \TYPO3\CMS\Core\Error\SysLogHandler for writing errors to the system log
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Class \TYPO3\CMS\Core\Error\WarningHandler for generating warnings
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Class \TYPO3\CMS\Core\Error\ProductionExceptionHandler for the production context
Question 2
Question
You want to output errors generated by the default error handler as Flash Messages in the backend. What do you
need to do? (1)
Answer
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Make sure the debugExceptionHandler is set to \TYPO3\CMS\Core\Error\DebugExceptionHandler
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Make sure Flash Messages are enabled in the Install Tool
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Make sure errors are generated with the flag flashOutput set to true
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Errors can not be displayed as Flash Messages by default – they are written to the system log for security reasons
Question 3
Question
Which statements about error logging in extensions are correct? (1)
Answer
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Warnings and errors should be directly written to the sys_log table using the Query Builder
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An instance of the Logger API is available in Extbase, if the system extension EXT:sys_logger is activated
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Extension developers should use the TYPO3 core class DevLogging for debugging purposes during development
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If an extension throws an exception, this will be logged using the configured error handler
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Extensions should never throw exceptions but always output Flash Messages
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