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https://issues.apache.org/jira/browse/HBASE-20287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Peter Somogyi updated HBASE-20287:
----------------------------------
Resolution: Fixed
Fix Version/s: 2.0.0
2.1.0
3.0.0
Status: Resolved (was: Patch Available)
Thanks for the review, pushed to branch-2.0+
> After cluster startup list_regions command fails on disabled table
> ------------------------------------------------------------------
>
> Key: HBASE-20287
> URL: https://issues.apache.org/jira/browse/HBASE-20287
> Project: HBase
> Issue Type: Sub-task
> Components: shell
> Affects Versions: 2.0.0
> Reporter: Peter Somogyi
> Assignee: Peter Somogyi
> Priority: Minor
> Fix For: 3.0.0, 2.1.0, 2.0.0
>
> Attachments: HBASE-20287.master.001.patch
>
>
> After cluster startup list_regions throw “ERROR: undefined method `toString'
> for nil:NilClass”. If you enable the table and disable it you don't see the
> error again, only after cluster startup.
> {noformat}
> After startup list_regions throw “ERROR: undefined method `toString' for
> nil:NilClass”.
> hbase(main):009:0> list_regions 'ltt'
> ERROR: undefined method `toString' for nil:NilClass
> List all regions for a particular table as an array and also filter
> them by server name (optional) as prefix
> and maximum locality (optional). By default, it will return all the
> regions for the table with any locality.
> The command displays server name, region name, start key, end key,
> size of the region in MB, number of requests
> and the locality. The information can be projected out via an array as
> third parameter. By default all these information
> is displayed. Possible array values are SERVER_NAME, REGION_NAME,
> START_KEY, END_KEY, SIZE, REQ and LOCALITY. Values
> are not case sensitive. If you don't want to filter by server name,
> pass an empty hash / string as shown below.
> Examples:
> hbase> list_regions 'table_name'
> hbase> list_regions 'table_name', 'server_name'
> hbase> list_regions 'table_name', {SERVER_NAME => 'server_name',
> LOCALITY_THRESHOLD => 0.8}
> hbase> list_regions 'table_name', {SERVER_NAME => 'server_name',
> LOCALITY_THRESHOLD => 0.8}, ['SERVER_NAME']
> hbase> list_regions 'table_name', {}, ['SERVER_NAME', 'start_key']
> hbase> list_regions 'table_name', '', ['SERVER_NAME', 'start_key']
> Took 0.0283 seconds{noformat}
>
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