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From "robert burrell donkin" <robertburrelldon...@gmail.com>
Subject Re: logging and diagnostic contexts
Date Sun, 06 Aug 2006 13:31:09 GMT
On 8/5/06, Patrick Linskey <plinskey@bea.com> wrote:
> Hi,
>
> OpenJPA's default logging implementation has a concept of a diagnostic
> context, roughly stolen from log4j. The basic idea is that in a
> configuration file, the user can specify a diagnostic context string
> that will be printed out with each log message. The result is that if a
> user has multiple EntityManagerFactories running in the same JVM, she
> can distinguish between the different logging outputs, even if they all
> just go to stderr.
>
> The JPA spec requires that persistence units are named uniquely. This
> presents us with an opportunity: we could check for the existence of
> multiple EMFs and, if found, automatically set the logging diagnostic
> context based on the name of the persistence unit.
>
> Thoughts?

+1

- robert

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