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https://issues.apache.org/jira/browse/QPID-2847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12907249#action_12907249
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Robbie Gemmell commented on QPID-2847:
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I investigated this further it seems we cant use a layout specifically for the
operational logging without having it in a seperate log file from the other
logging. Layout can only be applied to Appenders, and it can be seen when
trying the patch that with the two Appenders using the same file they interfere
with each other, and some logging is visibly lost at startup. Additionally,
that is with two normal FileAppenders...if two different RollingAppenders were
used on the same file bad things would likely happen when rolling occured.
I dont think we should have seperate log files, at least not until more of the
information logged off the happy path can be conveyed through the operational
logging framework. At present you need the information from both areas of
logging to truly know what is going on and so seperating the information doesnt
seem desirable, only leading to more work to interpret the information.
In future it would be good to reach a point there would be little need for the
other loggers to be enabled except by developers for debugging during testing
and so we could make the default logger pattern more appropriate for the
operational logging. The tests already have a seperate logging config which we
could continue to leverage for all of the log output
> Use a specific logger and layout for the operational logging
> ------------------------------------------------------------
>
> Key: QPID-2847
> URL: https://issues.apache.org/jira/browse/QPID-2847
> Project: Qpid
> Issue Type: Improvement
> Components: Java Broker
> Affects Versions: 0.7
> Reporter: Sorin Suciu
> Assignee: Robbie Gemmell
> Priority: Minor
> Fix For: 0.7
>
> Attachments: qpid-2847.patch
>
>
> It is useful the separate the operational logging stream from the regular
> (via log4j) mechanism. This allows a user to log the operational messages to
> a different file (eg for monitoring purposes) if so desired.
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