JVMD Manager Installation Fails After Upgrade With Error, "failed to preload on startup in Web application: "jamservlet"."

(Doc ID 2047398.1)

Last updated on MARCH 29, 2017

Applies to:

APM - Application Performance Management - Version 12.1.0.5.0 and later
Information in this document applies to any platform.

Symptoms

On : 12.1.0.5.0 version, Diagnostic Monitoring (JADM, JVM)

When trying to install JVMD engine from the console, it fails with the following error



Current Status of your Deployment:
Deployment command type: deploy
Deployment State : failed
Deployment Message : weblogic.application.ModuleException: [HTTP:101216]Servlet: "Jam" failed to preload on startup in Web application: "jamservlet".



Changes

 The OEM was upgraded from 12.1.0.3 to 12.1.0.5.

The JVMD engine was removed from the 12.1.0.3 install before it was upgraded

Cause

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