My Oracle Support Banner

"Missing class" error when accessing Discoverer from EBS (Doc ID 2321492.1)

Last updated on OCTOBER 26, 2017

Applies to:

Oracle E-Business Suite Technology Stack - Version 12.1.3 to 12.1.3 [Release 12.1]
Information in this document applies to any platform.


On : version, Discoverer

when launching Discoverer Plus or Viewer through EBS 12.1.3, the below error occurs

An exception occured.


javax.servlet.ServletException: oracle.classloader.util.AnnotatedClassNotFoundException:

Missing class: _OracleOasis

Dependent class: oracle.jsp.runtimev2.JspPageInfo
Loader: oc4j:10.1.3
Code-Source: /u01/ora/ebsdev/apps/tech_st/10.1.3/j2ee/home/lib/ojsp.jar
Configuration: in META-INF/boot.xml in /u01/ora/ebsdev/apps/tech_st/10.1.3/j2ee/home/oc4j.jar

This load was initiated at oacore.web.html.jsp21685037:0.0.0 using the loadClass() method.

The missing class is not available from any code-source or loader in the system.


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.