[infinispan-dev] tx and lock acquisition timeouts

[Manik Surtani]

On 2 Sep 2010, at 10:51, Mircea Markus wrote:

> 
> On 2 Sep 2010, at 10:43, Manik Surtani wrote:
> 
>> You mean when a transaction times out?  Or when a task within the transaction throws a TimeoutException within Infinispan (such as timeouts on lock acquisition or RPC)?
> timeout on lock acquisition.
>> 
>> If it is the former, then the transaction manager aborts the transaction and calls for a rollback.  
> yes
>> The latter would propagate to the transaction manager as an application error and also trigger an abort/rollback.
> it's in our control what to do in this situation, as this happens on the user's thread and doesn't involve the TM. If we cannot acquire locks for a timeout shall we:
> - throw the TE to the user (we already do that)
> - mark the tx for rollback OR just  leave the tx as it is and allow the user to retry?
> 
> E.g.:
> 
> tm.begin()
> caceh.put(k1); //this throws TE - what would be the status of the transaction after TE is thrown?

I would think this should cause the transaction to abort/rollback.  

--
Manik Surtani
manik at jboss.org
Lead, Infinispan
Lead, JBoss Cache
http://www.infinispan.org
http://www.jbosscache.org