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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KYLIN-3565) User login error message is inaccurate
Date Mon, 24 Sep 2018 08:13:00 GMT

    [ https://issues.apache.org/jira/browse/KYLIN-3565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16625501#comment-16625501
] 

ASF subversion and git services commented on KYLIN-3565:
--------------------------------------------------------

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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