If you have webcenter extension installed then webcenter provides you multiple out of box task flow.
if you don’t see this task flow go to tools –> preference and check out webcenter extension is installed or not.
If not installed then go to help –> check for updates and update your jdeveloper with webcenter extension.
I have expanded the document service task flow that provide us UCM interface for various requirement.
I have used document manager task flow for upload requirement for generic page for each user upload.
We need to deploy this application on Weblogic server that has associated EM.
If you deploy this applicatino in integrated weblogic server then this will not work.
I deployed this application on separate weblogic server instance which has Adminserver , UCM_server1 and etc.