Supported log pattern formats for the PassThrough and NIO transports
Although the WSO2 logging implementation is based on the Tomcat implementation, the set of attributes supported by the WSO2 logging implementation is different from the string replacement values supported by Tomcat.
Remote IP address
Local IP address
Bytes sent, excluding HTTP headers, or '-' if zero
Bytes sent, excluding HTTP headers
Remote host name (or IP address if enableLookups for the connector is false)
Remote logical username from identd (always returns '-')
Request method (GET, POST, etc.)
HTTP status code of the response
Date and time, in Common Log Format
Remote user that was authenticated (if any), else '-'
Requested URL path
Local server name