Multiple Singleton Instances In Ear Deployment With Weblogic Server 10.3
(Doc ID 1127439.1)
Last updated on FEBRUARY 28, 2019
Applies to:Oracle WebLogic Server - Version 10.3 and later
Information in this document applies to any platform.
***Checked for relevance on 09-Oct-2013***
When you don't specify any custom classloader hierarchy in your 'weblogic-application.xml' descriptor and instead rely on the standard classloader hierarchy you might notice the below issue.
The singleton class is being instantiated multiple times from separate EJB modules despite appropriate synchronization.
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