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After Applying the WebLogic Jan'22 PSU the Application Fails with ClassCastException: Weblogic.ejb20.manager.SimpleKey Cannot Be Cast To Class Java.lang.String Message (Doc ID 2861242.1)

Last updated on APRIL 08, 2022

Applies to:

Oracle WebLogic Server - Version 14.1.1.0.0 and later
Information in this document applies to any platform.

Symptoms

Application worked fine on Weblogic Server 14.1.1 with OCT'21 SPB and after applying Jan'22 SPB patch Application EJB call to getHandle() function failing with following  ClassCastException message:

Here the Application/EJB connecting to remote WebLogic Server running on 12.2.1.3 version and OCT'21 PSU installed.

Cause

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In this Document
Symptoms
Cause
Solution
References


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