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https://issues.apache.org/jira/browse/KYLIN-3565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16625501#comment-16625501
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ASF subversion and git services commented on KYLIN-3565:
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Commit aee4b57ece21ad1bd5f33efd23feb79542235d91 in kylin's branch
refs/heads/update_travis_maven from Emiya0306
[ https://gitbox.apache.org/repos/asf?p=kylin.git;h=aee4b57 ]
KYLIN-3565 User login error message is inaccurate
> User login error message is inaccurate
> --------------------------------------
>
> Key: KYLIN-3565
> URL: https://issues.apache.org/jira/browse/KYLIN-3565
> Project: Kylin
> Issue Type: Bug
> Components: REST Service, Web
> Affects Versions: v2.4.1
> Environment: CentOS 6.7, HBase 1.2.0+cdh5.14.2+456
> Reporter: Marc Wu
> Assignee: Roger
> Priority: Minor
> Labels: usability
> Fix For: v2.5.1
>
> Attachments: 2018-09-17_16-56-12.png, 2018-09-17_16-56-38.png,
> 2018-09-17_16-59-31.png, image-2018-09-17-20-22-20-294.png,
> image-2018-09-17-20-25-54-896.png
>
>
> Hi Kylin team,
>
> We found one issue when log in Kylin. The error message will misunderstood
> user.
>
> I couldn't log in Kylin even I input correct username & password (enable
> LDAP).
> So I checked the log on server, it showed me that there exist HBase
> connection issues.
> Root cause is that the HBase server which Kylin used as metadata server is
> down, but the login message showed me that I should check my username or
> password. It's really confusing.
> Then I read some source codes about login module, and found out Kylin shares
> the same error message for different cases.
>
> We suggested two options:
> # redirect to global error page when HBase connection fail after login,
> shows error message(e.g. System Error, please contact system administrator).
> # enhance the error code for login logic, make the error message more
> specific.
>
> There are login error message and the log. And I log in successfully after
> recover HBase servers.
> !image-2018-09-17-20-25-54-896.png!!image-2018-09-17-20-22-20-294.png!
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