G.3.1 Error Log

Web server error information is output to an error log.

Output destination

The error log is output to the following file:

symfowareServerInstallDir/java/ahs22/plextjava/domain1/logs/errorlog

Output details

Number of generations
5
Maximum log size
1,048,576 bytes
Length of Record
Variable
Rotation conditions
If the log size is exceeded, old information will be saved to a file with the name "errorlog.N".
N is a consecutive serial number, assigned in order of the newness of files - for the first file it is "0", and for the nth file it is "(N-1)".
Output content

An error log is output every time an error occurs in a Web server.

The format of the log output as an error log is shown below.

[dateTime] [logLevel] [clientIpAddress] (errorNumber) errorDescription: messageBody

Output items

The following explains the output items in the output format.

dateTime
Datetime of error
Output in the format "[dayOfTheWeek month day hour:minute:second year]".

logLevel

Log level	Error log multiplicity	Output at initial setup
emerg	Error generated during an emergency	Y
alert	Error that prevents operations if not corrected	Y
crit	Error that should be handled immediately	Y
error	Minor error that can be ignored	Y
warn	Warning that can be ignored	Y
notice	Notification that can occur at any time and should be noted down	Y
info	Notification other than notice Output when an environment definition is edited.	N
debug	Log during module development and debugging Output when an environment definition is edited.	N

clientIpAddress
IP address of the server, such as a client or proxy server
Output when an error occurs during Web server access from a client.
This item may be omitted.
errorNumber
Operating system error number
This item may be omitted.
errorDescription
Description of the error number
This item may be omitted.
messageBody
Body of the message

Output example

 [Tue May 13 18:00:02 2014] [notice] Apache/2.2.22 (Unix) configured -- resuming normal operations
[Tue May 13 18:00:32 2014] [error] [client 127.0.0.1] File does not exist: /opt/symfoserver64/java/ahs22/domain1/htdocs/db01