Chekc the JBPM verions & human task server veriosn.. both must be same... Imena both must be 5.1 or 5.2.
Otherwise timeoit occurs & no data fetch, as task comes empty.
Because the TaskSummary constructor chnaged in 5.2 added 2 more variables
| | t.taskData.processId, |
| | t.taskData.processSessionId) |