[rules-users] StatefulKnowledgeSession.startProcess not thread-safe ?

[Mark Proctor]

On 26/11/2010 15:16, Esteban Aliverti wrote:
> Are you using the same session? Sessions are not thread-safe in drools.
Sessions should be thread safe, if they aren't its a bug. Most of the 
methods locks while executing.

Looks like bug, something is blocking and not releasing.

Mark
>
> Best,
>
> XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
>
> Esteban Aliverti
> - Developer @ http://www.plugtree.com <http://www.plugtree.com>
> - Blog @ http://ilesteban.wordpress.com
>
>
> On Fri, Nov 26, 2010 at 12:12 PM, OptimusPrime <the.maxxxx at gmail.com 
> <mailto:the.maxxxx at gmail.com>> wrote:
>
>
>     Hello,
>
>     I wrote a micro benchmark in order to test the performance of
>     Drools Flow
>     5.1.0 in single and multi-threaded environments.
>
>     And I noticed that, when 2 threads call startProcess() at the same
>     time
>     (Intel Core 2 Duo CPU), the returned process instance IDs are the
>     same.
>
>     I checked the code and it seems there is no locking mechanism in the
>     org.drools.process.instance.impl.DefaultProcessInstanceManager
>     class for the
>     id creation.
>
>     Is this a bug or am I missing something ?
>
>     Thanks
>     --
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