"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 NOVEMBER 14, 2022
Applies to:
Oracle WebCenter Portal - Version 11.1.1.6.5 and laterInformation 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 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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