Solution : https://service.sap.com/sap/support/notes/976760 (SAP Service marketplace login required)
Key words :
\usr\sap\<sid>\jc<number>\j2ee\cluster\server<, terms useradmin umeadmin iexternalumeuifactorycompinterface hassimplepermission ume_admin_wd_components_umeadminapp contextconfigurationexception reason, \tc~sec~ume~wd~ \webdynpro\public\libwhere, \tc~sec~ume~wd~ \webdynpro\, tc~sec~ume~wd -, tc~sec~ume~wd, upgrading sap j2ee engine 7, access user administration application, sap j2ee engine, mapped attribute ume_admin_wd_components_umeadminapp
Related Notes :
| 972384 | Web Dynpro applications down after upgrade |