SegmentNotFoundException observed in the AEM log file

Statement: SegmentNotFoundException Exceptions.
Environment: AEM 6.3

Cause: Might be due to long-running JCR sessions along with online compaction.

Solution:

• Avoid keeping JCR sessions open for a long time. To resolve the issue:
• Close the session and open a new one when required.
• Or periodically call session.refresh(true).