Solution : https://service.sap.com/sap/support/notes/1407737 (SAP Service marketplace login required)
Key words :
java work flow task names cased problems redefining invalid users, added debug-level extended logging, tasks window showing blank screen, redefine invalid user functionality, real time refresh checkbox, null pointer exception thrown, substitution radio button behavior, uwl user session information, null pointer exception, symptom major problems
Related Notes :
| 1133821 | UWL Destination Service configuration |