[jira] [Comment Edited] (HBASE-25980) Master table.jsp pointed at meta throws 500 when no all replicas are online

["Zhuoyue Huang (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-25980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17360683#comment-17360683 ] 

Zhuoyue Huang edited comment on HBASE-25980 at 6/12/21, 1:58 PM:
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I reproduced this bug and saw the same result as the description. Code below was called in table.js and the rit region make this call throw a NotAllMetaRegionsOnlineException.
{code:java}
MetaTableLocator.waitMetaRegionLocation(master.getZooKeeper(), j, 1)
{code}
IMHO , as the meta replica is in rit, we should simply skip to show this region's info in UI


was (Author: georryhuang):
I reproduced this bug and saw the same result as the description. Code below was called in table.js and the rit region make this call throw a NotAllMetaRegionsOnlineException.
{code:java}
MetaTableLocator.waitMetaRegionLocation(master.getZooKeeper(), j, 1)
{code}
IMHO , as the meta replica is in rit, we should simply ignore this Exception and show the default value of meta region replica on UI.

Has tried to fix this, the screenshot in attachments show what it look like after fixed

> Master table.jsp pointed at meta throws 500 when no all replicas are online
> ---------------------------------------------------------------------------
>
>                 Key: HBASE-25980
>                 URL: https://issues.apache.org/jira/browse/HBASE-25980
>             Project: HBase
>          Issue Type: Bug
>          Components: master, meta replicas, UI
>    Affects Versions: 3.0.0-alpha-1, 2.5.0, 2.3.5
>            Reporter: Nick Dimiduk
>            Assignee: Zhuoyue Huang
>            Priority: Major
>             Fix For: 3.0.0-alpha-1, 2.5.0
>
>         Attachments: meta_replica_rit.png
>
>
> With a replica in a transition state, the UI renders,
> {noformat}
> HTTP ERROR 500
> Problem accessing /table.jsp. Reason:
>     Server Error
> Caused by:
> org.apache.hadoop.hbase.NotAllMetaRegionsOnlineException: Timed out; 1ms
> 	at org.apache.hadoop.hbase.zookeeper.MetaTableLocator.waitMetaRegionLocation(MetaTableLocator.java:190)
> 	at org.apache.hadoop.hbase.generated.master.table_jsp._jspService(table_jsp.java:264)
> 	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
> {noformat}



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