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The page corresponding to the latest stable release can be seen in the Jelix 1.6 Manual

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The classes of the framework can generate errors in two different ways with :

  • a trigger_error (PHP error)
  • an exception

A PHP error is generated in the case of a technical error due to a programing default. It is then the job of the developer to correct the error.

An exception is generated in the case of an error that can occur in an unpredictable way during the execution of an action. For example, an error when it is impossible to connect to a database or a "functional", "business" error.

Error handlers setup

Whatever the error comes from, we get it through an error handler (except for the exceptions which are interpreted by a try/catch block). There is an error handler for PHP errors and another for the exceptions.

The error handlers are in charge of executing the actions specified in the configuration according to the error type. This is the default", "error", "warning", "notice", "strict", "exception" parameters in the error_hanling section. Each of these parameters has to contain one or several of these words which indicates an action to be executed :

ECHO The message will be passed in the response
LOGFILE The message is put in the log file specified in the ligfile option of the configuration
SYSLOG The message is sent in the system log
MAIL The message is sent by mail to the address specified in the mail option
EXIT The execution stops here (EXIT is implicit for the exceptions)
TRACE Include the call stack in the log file
ECHOQUIET Does not display the details of the message, only displays the content of the quietMessage option from the error_handling section

messageLogFormat specifies an error message format used when printing errors to log file, syslog file or mail. this format supports some special keywords %date%, %ip%, %typeerror%, %code%, %msg%, %url%, %file%, %line%, \t and \n.

If you want to show errors in Firebug (when ECHO is used, and only for HTML and XUL responses), set showInFirebug to on.

Error code

Each error message is localized in the properties files and each error should have a number. This number is indicated in the properties files of the localized messages, this way :

key.string = (error_code)error message

In the end, the error message won't be with the error code. And this one will be extracted

Here are the error codes fields

0-99 general errors
100-199 core errors
200-299 locale errors
300-399 templates errors
400-499 database errors
500-599 dao errors
600-699 authentication errors
700-799 rights errors
800-899 jforms errors
> 5000 user errors

If you generate errors for your own use, their code must be greater than 5000.