Cannot save workflow definition on Process Builder

• Type: Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: Master
• Fix Version/s: None
• Component/s: Workflow > Administration
• Labels: None
• Fix Priority: 4
• Sprint: Workflow_7.2_08

Steps to reproduce

1. Log in
2. Go to Control Panel > Workflow > Process Builder
3. Open to Single Approver
4. Click Update button

Expected behavior

The definition will be successfully updated

Current behavior

The definition won't be updated and no response can be seen in the UI. The following errors appear in the browser console (when Javascript fast load is disabled):

Uncaught TypeError: Cannot read property 'ancestor' of null
    at component._focusInvalidFieldTab (form.js:243)
    at component.<anonymous> (oop.js:427)
    at DO.Method.exec (event-custom-base.js:271)
    at component.obj.(:7201/group/control_panel/anonymous function) [as focusInvalidField] (http://clouddb:7201/o/frontend-js-web/aui/event-custom-base/event-custom-base.js:152:36)
    at component.validate (aui-form-validator.js:1028)
    at Object._defaultSubmitFormFn (util.js:1130)
    at Y.CustomEvent.CEProto.fireComplex (event-custom-complex.js:256)
    at Y.CustomEvent._fire (event-custom-base.js:1071)
    at Object.fire (event-custom-base.js:2204)
    at util.js:1732
_focusInvalidFieldTab @ form.js:243
(anonymous) @ oop.js:427
DO.Method.exec @ event-custom-base.js:271
obj.(anonymous function) @ event-custom-base.js:152
validate @ aui-form-validator.js:1028
_defaultSubmitFormFn @ util.js:1130
CEProto.fireComplex @ event-custom-complex.js:256
_fire @ event-custom-base.js:1071
fire @ event-custom-base.js:2204
(anonymous) @ util.js:1732
_proxy @ dependency.js:98
(anonymous) @ oop.js:403
args.(anonymous function) @ aui_sandbox.js:20
_notify @ aui.js:1105
(anonymous) @ aui.js:1021
_notify @ aui.js:1105
handleLoader @ aui.js:1250
_finish @ aui.js:8227
_onSuccess @ aui.js:8276
complete @ aui.js:8515
onSuccess @ aui.js:8577
_finish @ aui.js:4994
_next @ aui.js:5191
_progress @ aui.js:5299
onLoad @ aui.js:5091
load (async)
_insert @ aui.js:5165
execute @ aui.js:4917
_next @ aui.js:4695
_load @ aui.js:4674
js @ aui.js:4459
_insert @ aui.js:8559
(anonymous) @ aui.js:8612
_continue @ aui.js:8595
insert @ aui.js:8614
_use @ aui.js:1313
use @ aui.js:1020
ALLOY.use @ aui_sandbox.js:25
proxy @ dependency.js:73
t.default @ post_form.es.js:39
(anonymous) @ manage?p_p_id=com_liferay_portal_workflow_web_portlet_ControlPanelWorkflowPortlet&p_p_lifecycle=0&p_p_state=maximized&p_p_mode=view&_com_liferay_portal_workflow_web_portlet_ControlPanelWorkflowPortlet_mvcPath=%2Fdefinition%2Fedit_workflow_definition.jsp&_com_liferay_portal_workflow_web_portlet_ControlPanelWorkflowPortlet_redirect=http%3A%2F%2Fclouddb%3A7201%2Fgroup%2Fcontrol_panel%2Fmanage%3Fp_p_id%3Dcom_liferay_portal_workflow_web_portlet_ControlPanelWorkflowPortlet%26p_p_lifecycle%3D0%26p_p_state%3Dmaximized%26p_p_mode%3Dview&_com_liferay_portal_workflow_web_portlet_ControlPanelWorkflowPortlet_name=Single Approver&_com_liferay_portal_workflow_web_portlet_ControlPanelWorkflowPortlet_version=1:341
_notify @ event-custom-base.js:1306
notify @ event-custom-base.js:1335
_notify @ event-custom-base.js:998
_procSubs @ event-custom-base.js:1124
CEProto.fireComplex @ event-custom-complex.js:223
_fire @ event-custom-base.js:1071
fire @ event-custom-base.js:2204
onclick @ manage?p_p_id=com_liferay_portal_workflow_web_portlet_ControlPanelWorkflowPortlet&p_p_lifecycle=0&p_p_state=maximized&p_p_mode=view&_com_liferay_portal_workflow_web_portlet_ControlPanelWorkflowPortlet_mvcPath=%2Fdefinition%2Fedit_workflow_definition.jsp&_com_liferay_portal_workflow_web_portlet_ControlPanelWorkflowPortlet_redirect=http%3A%2F%2Fclouddb%3A7201%2Fgroup%2Fcontrol_panel%2Fmanage%3Fp_p_id%3Dcom_liferay_portal_workflow_web_portlet_ControlPanelWorkflowPortlet%26p_p_lifecycle%3D0%26p_p_state%3Dmaximized%26p_p_mode%3Dview&_com_liferay_portal_workflow_web_portlet_ControlPanelWorkflowPortlet_name=Single Approver&_com_liferay_portal_workflow_web_portlet_ControlPanelWorkflowPortlet_version=1:158

Verified on

master df792115e56ef201498de430d3311a10385fcbf0