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I have a process

(start) ---> [Human Task 1] -----> [Human Task 2] ----> [Human Task 3] ----> (End)

Here are the steps in my program.

1. Starting the process is no problem

    ksession.startProcess("humanTaskFlow", params);

2. Looking for the task is no problem too

    List<TaskSummary> taskSummaryList = localTaskService.getTasksAssignedAsPotentialOwner(actor, "en-UK");

3. Starting the task is no problem

    localTaskService.start(taskSummary.getId(), actor);

4. Completing the task is no problem

    localTaskService.complete(taskSummary.getId(), actor, contentData);

2. Looking for next task GOT PROBLEM. :(

    List<TaskSummary> taskSummaryList = localTaskService.getTasksAssignedAsPotentialOwner(actor, "en-UK");

5. Dispose knowledge session

My logic is like this:

step 1
while(has_more_task) {
     step 2
     step 3
     step 4
}
step 5
 

The result is [Human Task 1] started and completed. Then the program jump to step 5 and exit. But when I check the database, [Human Task 2] was created and at 'Reserved' state.

I changed my logic to:

step 1
while(has_more_task) {
     step 2
     step 3
     step 4
     Thread.sleep(1000);
}
step 5

and I can run through all the Human Tasks.

Am I doing something very stupid here??? :((