Sling log rotation pattern - twice a day not working as expected

Question

Has anyone been successful in getting the sling log rotation pattern for twice a day - at noon and at midnight to actually work? '.'yyyy-MM-dd-a ”

Other patterns work as expected, but this one seems to just rotate once a day at midnight with the addition of AM or PM on the filepath instead of actually generating 2 per day.

yonit_david · Accepted Answer

This was found to be a bug and a jira was created for it.

Sling has logback integration for all logging-related activities.
Date Pattern('.'yyyy-MM-dd-a ) is not treated as valid pattern in logback.[0].
The corresponding bug has been raised in logback Jira - https://jira.qos.ch/browse/LOGBACK-1552
According to the status of logback JIRA, we will keep updating this JIRA
[0]: https://github.com/qos-ch/logback/blob/bbc783e6d68482abe8e7dff0d06708175e971b91/logback-core/src/main/java/ch/qos/logback/core/rolling/helper/PeriodicityType.java#L22

The issue is pending with Sling to fix the same which than be included in our AEM as part of Service pack, so I would request you to please use wait for the SP to fix the issue because the issues can be fixed only via SP/CFP cadence as Adobe recommended.

Vijayalakshmi_S · Answer

Hi @yonit_david,Per the significance of this pattern from Sling docs, could see that there is no explicit generation of 2 files per day.(Should be with AM and PM)Could you confirm if is deviating the below explanation.https://sling.apache.org/documentation/development/logging.html Note : I will try from my end as well and update this thread.

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