How to roll QF/J FIX engine logs (i.e. message and event logs) to prevent them from becoming unmanageable?

To roll these logs, you should use a custom logging configuration.

1) Copy the attached logback.xml file to your SB project's top-level directory.

2) Edit this file and change the <property name="senderCompID" value="MySenderCompID" /> line to reflect your FIX session's actual SenderCompID.

3) Repeat step 2 for the next line which describes the TargetCompID.

4) The next property in the file ("logsPath") is currently set to "logs/", which means your log files will be placed in a subdirectory named "logs" under the project top-level directory. If you wish you may rename this directory (don't forget the trailing slash)

5) Edit your adapter's QF/J config file to add the following 4 lines in the [DEFAULT] section:

logtype=slf4j
SLF4JLogEventCategory=quickfixj.event
SLF4JLogIncomingMessageCategory=quickfixj.msg.incoming
SLF4JLogOutgoingMessageCategory=quickfixj.msg.outgoing

6) Make sure no other "logtype" directive is present in this config file.

7) Restart Studio.

How to roll QF/J FIX engine logs