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From "Dickson, Matt MR" <>
Subject RE: Orphaned table in metadata table [SEC=UNOFFICIAL]
Date Wed, 18 Jan 2017 20:28:10 GMT

There is no table listed with that id when running 'tables -l -s'

Grepping the master log there are a bunch of WARN's stating "No prev-row for key extent: {1de;...

These must be due to the orphaned entries in the metadata table.  Unfortunately I believe
the delete of this table was run several months ago so finding logs referencing a failed delete
isn't possible.

Since no table exists I should be safe to remove those entries?

Thanks in advance,

-----Original Message-----
From: Keith Turner []
Sent: Thursday, 19 January 2017 04:16
Subject: Re: Orphaned table in metadata table [SEC=UNOFFICIAL]

On Mon, Jan 16, 2017 at 7:07 PM, Dickson, Matt MR <> wrote:
> When I run "accumulo
> org.apache.accumulo.server.util.FindOfflineTablets" it finishes with a 
> warning that "No prev-row for key extent {1de; ....}"  then throws a nullPointerException.
> Looking in the metadata table there are references to 1de but when I 
> list all tables it does not exist.  The master log is also listining a 
> lot of warnings regarding no prev-row for this table.
> Should I delete all references to 1de in the metadata table?

So when you list all tables ids using the shell, you do not see 1de?
If so, it seems like deleting those entries from the metadata table would be a good thing
to do.Can you grep the master log for 1de?
Would be looking for evidence of a failed delete table operation.


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