My Oracle Support Banner

Memory Leak as weblogic.ejb.container.cache.EntityCache keeps holding EJB Entity Beans (Doc ID 1594852.1)

Last updated on FEBRUARY 04, 2019

Applies to:

Oracle WebLogic Server - Version 10.3.5 and later
Information in this document applies to any platform.

Symptoms

An EJB application is deployed into 10.3.5 Weblogic Server.
Memory heap size keeps growing when invoking this EJB application.
Taking Heap Dumps, the EJB  Entity Cache (weblogic.ejb.container.cache.EntityCache)
is holding memory as the following :

Class Name | Shallow Heap | Retained Heap | Percentage
------------------------------------------------------------------------------------------------------------------------------------------------
weblogic.ejb.container.cache.EntityCache @ 0x76a4f8358 | 64 | 475,761,496 | 23.47%
|- weblogic.ejb.container.cache.EntityCache$KeyData @ 0x770e6e940 | 48 | 260,670,320 | 12.86%
| '- weblogic.ejb.container.cache.EntityCache$Ring @ 0x770e6e970 | 24 | 260,670,272 | 12.86%
| |- weblogic.ejb.container.cache.EntityCache$BeanData @ 0x7a53a13d8 | 48 | 39,232 | 0.00%

EJB memory cache is never released.


Changes

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.