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From "Samir Ahmic (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-15311) Prevent NPE in BlockCacheViewTmpl
Date Tue, 23 Feb 2016 10:38:18 GMT

     [ https://issues.apache.org/jira/browse/HBASE-15311?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Samir Ahmic updated HBASE-15311:
--------------------------------
    Attachment: HBASE-15311_v0.patch

Here is simple patch for this issue.

> Prevent NPE in BlockCacheViewTmpl
> ---------------------------------
>
>                 Key: HBASE-15311
>                 URL: https://issues.apache.org/jira/browse/HBASE-15311
>             Project: HBase
>          Issue Type: Sub-task
>          Components: UI
>    Affects Versions: 2.0.0
>            Reporter: Samir Ahmic
>            Assignee: Samir Ahmic
>         Attachments: HBASE-15311_v0.patch
>
>
> Currently we have this URL (rs-status?format=json&bcn=L1) for displaying block cache
stats in json format. If arbitrary parameter is supplied instead of L1 it will cause NPE and
we will display 500 error.  



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