[jira] [Comment Edited] (HBASE-25077) hbck.jsp page loading fails, logs NPE in master log.

["Mohammad Arshad (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-25077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17202990#comment-17202990 ] 

Mohammad Arshad edited comment on HBASE-25077 at 9/28/20, 4:05 AM:
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Thanks [~a00408367] for reporting the issue.
Thanks [~zhangduo], [~pankaj72981], [~vjasani] for reviewing.
Thanks [~zghao] for reviewing and merging


was (Author: arshad.mohammad):
Thanks [~a00408367]
Thanks [~zhangduo], [~pankaj72981], [~vjasani] for reviewing.
Thanks [~zghao] for reviewing and merging

> hbck.jsp page loading fails, logs NPE in master log.
> ----------------------------------------------------
>
>                 Key: HBASE-25077
>                 URL: https://issues.apache.org/jira/browse/HBASE-25077
>             Project: HBase
>          Issue Type: Bug
>          Components: hbck
>    Affects Versions: 2.2.3
>            Reporter: Ajeet Rai
>            Assignee: Mohammad Arshad
>            Priority: Major
>             Fix For: 3.0.0-alpha-1, 2.3.3, 2.4.0, 2.2.7
>
>
> While testing with large data, it is observed that some time hbck page was not accessible and NPE was thrown in log.
>  
> 【Test step】Excat Steps are not known. Observed this while executing below steps
> 1: Test data: 9K regions,~300 issues in my test setup
> 2: run hbck_chore and catalogjanitor_run multiple times 
> 3: Also run balancer so that region movement is happening.
> 4: Observe that HBCK page not available
>  
> 2020-09-21 20:05:31,706 WARN [qtp1698322791-94] server.HttpChannel: /hbck.jsp
>  java.lang.NullPointerException
>  at org.apache.hadoop.hbase.generated.master.hbck_jsp.formatServerName(hbck_jsp.java:37)
>  at org.apache.hadoop.hbase.generated.master.hbck_jsp._jspService(hbck_jsp.java:144)
>  at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)
>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
>  at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:844)



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