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"MDS-00186: A adf-controller-config element is already present in the parent" When Trying to Access Spaces (Doc ID 1570739.1)

Last updated on JANUARY 14, 2021

Applies to:

Oracle WebCenter Portal - Version 11.1.1.6.5 and later
Information in this document applies to any platform.

Symptoms

When attempting to access WebCenter Spaces after patching ONLY WebTier to PS6 (11.1.1.7.0), the following error occurs. 

ERROR
-----------------------
Error 404--Not Found
 

Based on the guide below, the first component to be patched is the WebTier:

Oracle® Fusion Middleware
Patching Guide
11g Release 1 (11.1.1.7.0)
E16793-20

https://docs.oracle.com/cd/E28280_01/doc.1111/e16793/patch_webcenter.htm#PATCH692

Starting the Spaces Managed Server shows the following errors:

<TIMESTAMP> <Warning> <oracle.webcenter.collab.share.internal.view.SessionCacheInvalidationListener> <BEA-000000> <
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at oracle.adf.share.ADFContext.initADFContext(ADFContext.java:2276)
at oracle.webcenter.collab.share.internal.view.CacheInvalidationListener.contextInitialized(CacheInvalidationListener.java:84)
at weblogic.servlet.internal.EventsManager$FireContextListenerAction.run(EventsManager.java:481)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
...
Caused By: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at oracle.adf.share.ADFContext.initADFContext(ADFContext.java:2205)
at oracle.webcenter.collab.share.internal.view.CacheInvalidationListener.contextInitialized(CacheInvalidationListener.java:84)
...

Caused By: oracle.adf.share.ADFShareException: oracle.mds.exception.MDSRuntimeException: MDS-00186: A {http://xmlns.oracle.com/adf/controller/config}adf-controller-config element is already present in the parent {http://xmlns.oracle.com/adf/config}adf-config element in document /META-INF/adf-config.xml, but with the QNameLUID identification mechanism only one is allowed.
at oracle.adf.share.config.ADFConfigImpl.getResultFromComponent(ADFConfigImpl.java:560)
at oracle.adf.share.config.ADFConfigImpl.getConfigObject(ADFConfigImpl.java:604)
at oracle.adf.share.config.ADFConfigImpl.getConfigObject(ADFConfigImpl.java:582)
at oracle.adf.share.config.ADFConfigImpl.getMDSInstance(ADFConfigImpl.java:647)
at oracle.adf.share.config.ADFConfigImpl.getMDSInstance(ADFConfigImpl.java:642)
at oracle.adf.share.config.ADFContextMDSConfigHelperImpl.getMDSInstance(ADFContextMDSConfigHelperImpl.java:297)
...

 

The managed server starts but webCenter Spaces is unavailable.
The webcenter application shows with status Failed in the WebLogic Server Administration Console.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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