Session leak when User agent id is set to admin in replication agent

When the Replication Agent User Id field is set on more than one replication agent then a JCR session is leaked during replication.

The issue is observed when viewing the JMX console [1], excessive SessionStats (over 400) objects can be seen.

[1] http://host:port/system/console/jmx

Environment

AEM 6.2

Cause

Product bug CQ-4206006

Resolution

Install AEM 6.2 SP1 Cumulative Fix Pack 9 or later.