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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-14574) multiple clicks on "Next" button causes skipping of steps while installing a cluster
Date Fri, 22 Jan 2016 20:36:39 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-14574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15113006#comment-15113006
] 

Hadoop QA commented on AMBARI-14574:
------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12783881/AMBARI-14574_Jan22.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 7 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in ambari-web.

Test results: https://builds.apache.org/job/Ambari-trunk-test-patch/5034//testReport/
Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/5034//console

This message is automatically generated.

> multiple clicks on "Next" button causes skipping of steps while installing a cluster
> ------------------------------------------------------------------------------------
>
>                 Key: AMBARI-14574
>                 URL: https://issues.apache.org/jira/browse/AMBARI-14574
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-web
>    Affects Versions: 2.1.1
>            Reporter: Keta Patel
>            Assignee: Keta Patel
>         Attachments: AMBARI-14574.patch, AMBARI-14574_Jan19_only_nextBtnClickInProgress.patch,
AMBARI-14574_Jan19_with_transitionInProgress.patch, AMBARI-14574_Jan20_manual_testing.patch,
AMBARI-14574_Jan20_with_fix.patch, AMBARI-14574_Jan22.patch, attempt_1_controller.tiff, attempt_1_installer.tiff,
attempt_2_controller.tiff, attempt_2_installer.tiff, attempt_3_adding_check_for_step1.tiff,
attempt_3_removing_check_from_step3.tiff
>
>
> On installation wizard, multiple clicks on the "Next" button can cause skipping of steps.
The timing of the 2nd click decides if that click will be processed again or not. The following
JIRAs had the same issue:
> AMBARI-7195
> AMBARI-7315
> The fix for the above issues helps to resolve most part of the problem. But if the user
happened to click again at the point when the last callback function has just completed (and
thus, has made the "Next" button clickable again) but the next step has not yet completed
its rendering, then the 2nd click gets processed again. The "current step" was already updated
in the code to point to the next step, from the 1st click. So when this 2nd click calls the
"next" function in the router, the subsequent step of the "current step" gets set as the current
step. As a result we skip steps.



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