Unable to Customize Activity Stream Taskflows in Webcenter Spaces after Upgrading to BP6 - Same IDs Appear in Taskflow Definition

(Doc ID 1561363.1)

Last updated on NOVEMBER 10, 2016

Applies to:

Oracle WebCenter Portal - Version to [Release 11g]
Information in this document applies to any platform.


In a WebCenter Spaces environment, MDS customizations have been made to Activity Stream task flows and, as a result, the task flows are not working anymore. One such task flow is the activity-streaming-mainview taskflow.

The following error will appear in the browser when this task flow is used:

Internal Error (WCS#2013. If the error persists, report the problem to your administrator.

 In WebCenter Spaces log files the following type of error will be reported:

oracle.mds.exception.MDSRuntimeException: MDS-00010: DuplicateRefException, In document /oracle/webcenter/activitystreaming/controller/taskflows/activity-streaming-mainview.xml there are multiple elements with the same ID _as22.


Sign In with your My Oracle Support account

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

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms