WebLogic Server: ClassCastException With Application-Scoped Singleton Service on Multiple Clusters (Doc ID 1621291.1)

Last updated on DECEMBER 05, 2016

Applies to:

Oracle WebLogic Server - Version 10.3.6 to 12.1.2.0.0
Information in this document applies to any platform.

Symptoms

When modifying the architecture from 4 domains to a single domain with 4 clusters, the application Singleton Service gets deployed only on one instance while others gets the error below.

Cause

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