Created attachment 795986 [details]
Screenshot - process with ad-hoc subprocess

Description of problem:
Validation for Ad-Hoc Subprocess failed if subprocess contains separated tasks which are not connected by sequence flow.

Look at the attached screenshot.


Version-Release number of selected component (if applicable):
6.0.0 BPMS ER2


Steps to Reproduce:
1. Create a new process
2. Start -> AdHoc -> End
3. Add tasks into AdHoc subprocess
4. validate

Actual results:
See the attached screenshot.
Validation shows issues - "Node has no outgoing/incomming connections".

Expected results:
This process should be valid. No issue for inner tasks.

Additional info:
Look at BPMN Specification - Figure 10.36, page 181