How Can I Enable Typo3 Debugging

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Over the past few weeks, some of our users have encountered an error message with typo3 debugging enabled. This problem can occur for a number of reasons. We will discuss this below.

Debug PHP Navigation Code¶

The TYPO3 core provides a base (debug()) defined inEXT:core/Classes/Core/GlobalDebugFunctions.php).alsotypo3cmscoreutilitydebugutility::debug() shows debugInformation only if it matches the set of IP security numbers$GLOBALS['TYPO3_CONF_VARS']['SYS']['devIPmask']) (defined by ‘Cookie’);

Internal Debug Display Mode¶

typo3 debug aktivieren

debug($_cookie, to get additional debug info right after this, set $GLOBALS['TYPO3_CONF_VARS']['BE']['debug']in the LocalConfiguration. And with php admin account.


For example, it displays the branch names and in the case of Select, Broadcast and CheckboxThe Gain value fields this generated by the FormEngine. They can be usedGo to config to permissions or use tsconfig.


Also, in renderer-side debug mode, the renderer-side does not compress and does not merge JavaScript or CSS.Resources.
Internal Language Debugging¶
Configuring $GLOBALS['TYPO3_CONF_VARS']['BE']['languageDebug']in LocalConfiguration. Displays php language tags (withkey file) in TYPO3 sale after FormEngine.
                                    

The ability to debug ium in TYPO3. From the SqlDebug error handler to. With a few tricks, you can convince TYPO3 to extract debug information from the Exists file 

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Of course, there are many ways to get debugging information from TYPO3. I tried to write some together here. Since I don't have much experience in this area yet, I would appreciate any feedback on how to debug TYPO3 or how - even the steps could be easier.


For PHP errors, devIPmask should be the first stop. If the requesting host is within the address range, a stack trace is generated instead of this simple error message, making it easier to determine the cause of the error. Thanks to Steffen Gebbert for this tip!
/* 2. Add temporarily to localconf.php to get *//* debugging * Sets whether PHP errors should be printed * nothing Do not show PHP error messages Override "exceptionalErrors" value and set it to 5 (= no errors are just converted not to exceptions), configurableThis "productionExceptionHandler" is stored as an exception handler * customized display error messages where you see the registered error handler. "debugExceptionHandler" configured is usually used as an exception handler (blank) 2 Show errors only if client matches [SYS][devIPmask]. When devIPmask competes for the user's IP address, a custom debugExceptionHandler is used for exceptions, provided that a non-productionExceptionHandler is used. uses -1 by default. Your with option allows you to override PHP's display_errors setting. If devIPmask matches some user's IP address, the "debugExceptionHandler" configuration is used for exceptions, not "productionExceptionHandler".*/$TYPO3_CONF_VARS['SYS']['displayErrors'] is equal to '1';/* * Define the IP address and range of IP addresses that the debug output should receive. - to hide debug information and errors from live visitors * Bytes are allowed for wildcards */$TYPO3_CONF_VARS['SYS']['devIPmask'] means '*';/* * Error handler configuration * Here with usable configuration */$TYPO3_CONF_VARS['SYS']['errorHandler'] 't3lib_error_ErrorHandler';$TYPO3_CONF_VARS['SYS']['errorHandlerErrors'] means = E_ALL^E_NOTICE;$TYPO3_CONF_VARS['SYS']['ExceptionalErrors'] implies E_ALL^E_NOTICE^E_WARNING^E_USER_ERROR^E_USER_NOTICE^E_USER_WARNING;$TYPO3_CONF_VARS['SYS']['debugExceptionHandler'] implies = 't3lib_error_debugexceptionhandler';$typo3_conf_vars['sys']['productionexceptionhandler'] 't3lib_error_DebugExceptionHandler';/* * Configuration of some methods [systemLog] logging * file,[,] firewood to file 7. mail,[/][,] records sends the log by mail Syslog,,[,] * typically uses the operating system log. Set up a valid LOCAL0..LOCAL7, USER Windows (under USER is the only type) will probably. (empty) error_log[,,] show PHP error log */$TYPO3_CONF_VARS['SYS']['systemLog'] implies 'error_log';/* * Configuration level of detail [systemLog] * Information 0 * At least one index *2 Warning *maybe a mistake * 4 fatal error */$TYPO3_CONF_VARS['SYS']['systemLogLevel'] implies '0';/* * ext:devlog:: If enabled, the log will be sent to the developer on errors * http://typo3.org/extensions/repository/view/devlog/current/ */$TYPO3_CONF_VARS['SYS']['enable_errorDLOG'] is equal to '1';/* * ext:devlog:: Enabling also sends development log to exceptions */$TYPO3_CONF_VARS['SYS']['enable_exceptionDLOG'] = '1';/* * Active mouth loggingroaring methods and functions. The default is "file". ( empty ) A log file is written for your Typo3conf value/deprecation_[hash support].* log The development log is written to the corresponding development log * console The log is displayed in the console of some debug backends.*  * Content: Although logging options can be combined by separating them with commas.I*info2: I've heard different opinions about configuring live mode for logging. */$TYPO3_CONF_VARS['SYS']['enableDeprecationLog'] = 'console';/* (blank) Used by output for SQL queries in browser * 0 SQL not demonstrated (default) Only *1 impression was an unsuccessful request * 2 shows each individual request */$TYPO3_CONF_VARS['SYS']['sqlDebug'] = '1';/* * Extension scripts (ext_localconf.php and ext_tables.php) * 0 files are not cached, but instead are "included" each time *1 Scripts are cached in typo3conf/temp_CACHED_[sitePathHash]* (saves a few milliseconds even when using PHP accelerators) ^^ */$TYPO3_CONF_VARS['EXT']['extCache'] is equal to '1';/* * Backend Debug:: If set, "loginrefresh" will be disabled and "pageRenderer" will be placed in debug mods. */$TYPO3_CONF_VARS['BE']['debug'] = '1';