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

(Doc ID 2047398.1)

Last updated on APRIL 18, 2018

Applies to:

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


On : 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".


 The OEM was upgraded from to

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


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