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All WSO2 products are shipped with the log4j logging capabilities, which generates administrative activities and server side logs. The log4j2.properties
file, which governs how logging is performed by the server can be found in the E
I_HOME/conf
directory of the ESB profile, Message Broker profile, and the Business Process profile of WSO2 EI.
There are three main components when configuring log4j: Loggers, Appenders, and Layouts.
...
MI_HOME/repository/logs/wso2-ei-service.log
.MI_HOME/repository/logs/wso2-ei-service.log
.MI_HOME/repository/logs/wso2-ei-trace.log
for tracing enabled services....