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Bug 1373103

Summary: Import dialog: "OK" button stops to function in case of moving back from second dialog to first dialog.
Product: [oVirt] ovirt-engine Reporter: Nisim Simsolo <nsimsolo>
Component: BLL.VirtAssignee: Martin Betak <mbetak>
Status: CLOSED CURRENTRELEASE QA Contact: Nisim Simsolo <nsimsolo>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 4.0.4CC: bugs, nsimsolo, tjelinek
Target Milestone: ovirt-4.0.4Flags: tjelinek: ovirt-4.0.z?
rule-engine: planning_ack?
tjelinek: devel_ack+
rule-engine: testing_ack+
Target Release: 4.0.4   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-09-26 12:32:41 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: Virt RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
ui.log
none
Webadmin video none

Description Nisim Simsolo 2016-09-05 08:30:20 UTC 
Description of problem:
When moving next -> back -> next between dialog pages, "OK" button stopped to function, clicking on it does nothing. 
Observing inspect element -> console shows that uncaught exception occurred:
webadmin-0.js:15489 Mon Sep 05 10:57:02 GMT+300 2016 
SEVERE: Uncaught exception (11x)com.google.gwt.event.shared.UmbrellaException: Exception caught: (TypeError) 
 __gwt$exception: <skipped>: Cannot read property 'f' of null
	at Unknown.Ev(webadmin-0.js@25078)

Version-Release number of selected component (if applicable):
rhevm-4.0.4-0.1.el7ev
vdsm-4.18.12-1.el7ev.x86_64
qemu-kvm-rhev-2.6.0-22.el7.x86_64
libvirt-client-2.0.0-6.el7.x86_64

How reproducible:
100% using Chrome or Firefox browsers.

Steps to Reproduce:
1. Open import dialog, enter provider details and click load button.
2. Select VM to import, click next, back and next.
3. Try to click OK button.

Actual results:
OK button is not functioning.

Expected results:
OK button should start the import process.

Additional info:
Screen video attached.
ui.log with stack trace attached (look at 2016-09-05 10:56:56,810)
Comment 1 Nisim Simsolo 2016-09-05 08:33:24 UTC 
Created attachment 1197814 [details]
ui.log
Comment 2 Nisim Simsolo 2016-09-05 08:34:05 UTC 
Created attachment 1197815 [details]
Webadmin video
Comment 3 Nisim Simsolo 2016-09-13 08:34:28 UTC 
Verified using build: ovirt-engine-4.0.4.2-0.1.el7ev