Created attachment 1097823 [details]
stack_trace.txt

Description of problem:
Insufficient permission causes that callback ProfileBehavior$2, method onSuccess() is passed empty list which causes NPE at line 

managementNetworkName = Linq.findManagementNetwork(clusterNetworks).getName();

Version-Release number of selected component (if applicable):
4.0 master, commit 47337ae

How reproducible:
100%

Steps to Reproduce:
1. In webadmin: create vm with disk
2. Create template of that vm
3. Add new user grant him (only) following permissions
     * VmCreator for template created in step 2
     * VmCreator for some Cluster that is in DC that is in state 'UP'
     * VmCreator for Storage Domain the disk of the template is located at
4. In UserPortal extended: log as newly created user
5. Open New VM dialog

Actual results:
Exception is thrown to browser console, pink popup in UI

Expected results:
New VM dialog is open and/or user is notified that permissions are insufficient/set in a wrong way.