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Duplicate EJB Stub Classes Of Same Kind Loaded By Managed Servers Started In The Cluster (Doc ID 1173164.1)

Last updated on JUNE 06, 2022

Applies to:

Oracle WebLogic Server - Version 10.0 and later
Information in this document applies to any platform.


An EJB EAR application deployed in WebLogic cluster to all managed servers. In the server which started first, the pojo classes of the EAR are loaded only once, classes generated by the EJB/RMI compiler are loaded twice. After each further server start it is seen that many pojo classes of the EAR gets loaded several times again. As these classes are loaded in to permanent generation, this memory gets more and more filled up which cause high memory usage issues for the application.


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