Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
HBase >> mail # user >> Problem with recreation of a phantom table


Copy link to this message
-
Re: Problem with recreation of a phantom table
Can you try using hbck ?

In the future, don't remove anything before using hbck.

Thanks

On Oct 2, 2012, at 3:55 PM, Shumin Wu <[EMAIL PROTECTED]> wrote:

> Hi,
>
> I am using HBase 0.92 and got stuck with deletion/recreation of a phantom
> table. The table became "phantom" because hbase server went offline during
> the first time when it got deleted. Since then I cannot recreate the table
> because of the inconsistency catalog information.
>
> Below is what I got from the hbase shell (I replaced the table name with a
> fake name).
>
>
> ============================================> *
> hbase(main):005:0> create 'phantom_table','cf'*
>
> ERROR: Table already exists: phantom_table!
>
> Here is some help for this command:
> Create table; pass table name, a dictionary of specifications per
> column family, and optionally a dictionary of table configuration.
> Dictionaries are described below in the GENERAL NOTES section.
> Examples:
>
>  hbase> create 't1', {NAME => 'f1', VERSIONS => 5}
>  hbase> create 't1', {NAME => 'f1'}, {NAME => 'f2'}, {NAME => 'f3'}
>  hbase> # The above in shorthand would be the following:
>  hbase> create 't1', 'f1', 'f2', 'f3'
>  hbase> create 't1', {NAME => 'f1', VERSIONS => 1, TTL => 2592000,
> BLOCKCACHE => true}
>  hbase> create 't1', 'f1', {SPLITS => ['10', '20', '30', '40']}
>  hbase> create 't1', 'f1', {SPLITS_FILE => 'splits.txt'}
>
> *
> hbase(main):006:0> disable 'phantom_table'*
>
> ERROR: Table phantom_table does not exist.'
>
> Here is some help for this command:
> Start disable of named table: e.g. "hbase> disable 't1'"
>
> ============================================>
> Here are the attempts I already did for investigation.
>
> - I did a fsck on /hbase. It reported healthy.
>
> - I did a scan on .META.. The phantom table is not listed there.
>
> - I checked zookeeper's hbase directory and found the phantom table. I
> deleted the entry but the problem reported above still persistent.
>
> Any comments or suggestions are highly appreciated!
>
> Thanks,
>
> Shumin