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From "John Vines (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-670) BatchWriters do not track Throwables beyond Constraint Violations
Date Tue, 18 Dec 2012 21:08:12 GMT


John Vines commented on ACCUMULO-670:

We track Constraint violations, we should also keep a set of the SecurityErrorCodes encountered.
This will provide enough information to determine what broke. Or at least weed out a security
violation from a server side error.
> BatchWriters do not track Throwables beyond Constraint Violations
> -----------------------------------------------------------------
>                 Key: ACCUMULO-670
>                 URL:
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 1.4.1
>            Reporter: John Vines
>            Assignee: John Vines
>             Fix For: 1.5.0
> Working on ACCUMULO-259 and adapting the Security Random Walk test to account for cached
credentials, to prevent it from crapping out on ambiguous credentials (credentials which are
currently propagating). And I noticed that our client side Writers provide no means of feedback
to the client if there is a non-ConstraintViolationException.
> That is, looking at the TabletServerBatchWriter specifically, we keep track of which
servers had errors, which key extents had errors, and what ConstrainViolations we saw, but
we don't actually track the actual Throwables we get, aside from ConstraintViolation. We should
keep a Collection or Set of the Throwables we see so client code can do proper case checking
as well.

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