My Oracle Support Banner

AnnotatedNoClassDefFoundError Exception When Invoking a JSP Page Deployed into an OC4J Container with Multiple JVMs (Doc ID 941881.1)

Last updated on JULY 03, 2020

Applies to:

Oracle Containers for J2EE - Version to [Release AS10gR3]
Information in this document applies to any platform.


A Web application is deployed into an 10.1.3 OC4J instance with two or more JVMs configured.
When inovking the same JSP page from different browsers the following error is reported:

Missing class: _oracle._jsp._tag._header_tag
Dependent class: _dummy
The missing class is not available from any code-source or loader in the system.

This exception occurs against and OC4J versions.

If the OC4J instance is configured with only one JVM, the error is not occurring.


Changing the number of JVMs for an OC4J instance.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.