[infinispan-dev] How to configure Infinispan with transactions, backed by relational DB on JBoss AS 7 vs. Tomcat 7 ?

[Tristan Tarrant]

On 05/24/2012 09:08 AM, Martin Gencur wrote:
> Tristan Tarrant píše v Thu 24. 05. 2012 v 09:02 +0200:
>> On 05/23/2012 09:31 PM, Dan Berindei wrote:
>>> On Wed, May 23, 2012 at 9:06 PM, Sanne Grinovero<sanne at infinispan.org>   wrote:
>>>> Nice work Martin!
>>>>
>>>> Just one doubt, especially since it's a rather long post.. why would
>>>> someone want to use c3p0 on AS7 ? Isn't the included datasource pool
>>>> far superior?
>>>>
>>> The AS7 datasource tries to join the cache transaction, but that won't
>>> work because it's too late (we only write to the cache store during
>>> commit). Martin alluded to that problem, but he wasn't very specific -
>>> he just pointed at https://issues.jboss.org/browse/ISPN-604
>>>
>>> Martin, I think it would have been best if you listed the error
>>> message as well so any users having the same problem can find your
>>> post.
>>>
>> Actually since the inclusion of ISPN-2040 in master, 5.1.x and JDG, that
>> is not strictly true anymore...
> Not strictly but still true, right? What happens when there is a
> transaction and it rolls back? Will the entry be removed back from the
> cache store? If yea, why is this marked as workaround?
It doesn't actually implement proper transactional behaviour. It's just 
that the error may not be there anymore.

Tristan