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Attempts to Delete Duplicate Pages From A Migrated Portal Causes Portal Corruption (Doc ID 2400678.1)

Last updated on JANUARY 20, 2021

Applies to:

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


Post upgrade of Oracle WebCenter Portal from 11g ( to

When a Portal system is migrated from to, duplicate Portal Pages are created. If the duplicate page is deleted, it corrupts the whole portal and is irreversible.

ERROR in the logs
<[ServletContext@844710225[app:webcenter module:/webcenter path:null spec-version:3.1]] Root cause of ServletException.
oracle.jbo.NoDefException: JBO-25002: Definition<PAGE>PageDef of type Form Binding Definition is not found.

at oracle.adf.model.binding.DCBindingContainerReference.getDef(
at oracle.adf.model.BindingContext.findBindingContainerDefByPath(
at oracle.adf.model.BindingRequestHandler.isPageViewable(
at oracle.adf.model.BindingRequestHandler.beginRequest(
at oracle.adf.model.servlet.ADFBindingFilter.doFilter(


 Upgrade WebCenter Portal from 11g to 12c.


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