[rules-dev] Exception in runtime

[Mauricio Salatino]

I'm not aware about Web Logic, but you can review what exactly are you doing
the insertion. Can you share with us where do you have your ksession (inside
a Stateless/Statefull session bean inside weblogic?), how you access that
session to insert facts, etc.
Greetings.

On Tue, Jun 22, 2010 at 11:03 AM, <Tom.E.Murphy at wellsfargo.com> wrote:

>  Maurice –
>
> By design of our runtime components, a single stateful session is owned and
> managed by a single thread. Data is only inserted by that one thread into
> that session.
>
> Unless maybe the Web Logic app server is doing something odd under the
> covers…
>
>
>
> *Tom Murphy*
>
> Business Process Consultant
> Wells Fargo HCFG - CORE Deal Decisioning Platform*
> *
> 800 S. Jordan Creek Parkway | West Des Moines, IA 50266
> MAC: X2301-01B*
> *Office: 515 324 4853 | Mobile: 515 423 4334
>
> tom.e.murphy at wellsfargo.com
>
> This transmission may contain information that is confidential and/or
> proprietary. If you are not the individual or entity to which it is
> addressed, note that any review, disclosure, copying, retransmission, or
> other use is strictly prohibited. If you received this transmission in
> error, please notify the sender immediately and delete the material from
> your system.
>
>
>
> *From:* rules-dev-bounces at lists.jboss.org [mailto:
> rules-dev-bounces at lists.jboss.org] *On Behalf Of *Mauricio Salatino
> *Sent:* Tuesday, June 22, 2010 8:26 AM
> *To:* Rules Dev List
> *Subject:* Re: [rules-dev] Exception in runtime
>
>
>
> Are you inserting facts from different threads in a statefull session?
>
> On Tue, Jun 22, 2010 at 10:21 AM, <Tom.E.Murphy at wellsfargo.com> wrote:
>
> Anybody have any ideas on this?
>
>
>
> We are seeing ConcurrentModificationException while inserting objects into
> working memory. This happens occasionally, either at service start-up, where
> the first transaction is being submitted and the rules are loading for the
> first time, or sometimes under heavy loads with lots of transactions being
> processed by the service:
>
> Drools 5.0.1-GA
>
> AS: Web Logic
>
> JVM: 1.5
>
>
>
> Fragment of stack trace:
>
> Caused by: java.util.ConcurrentModificationException
>
> java.util.HashMap$HashIterator.nextEntry(HashMap.java:2117)
>
> java.util.HashMap$ValueIterator.next(HashMap.java:2147)
>
> org.drools.reteoo.EntryPointNode.updateSink(EntryPointNode.java:285)
>
> org.drools.reteoo.ObjectTypeNode.attach(ObjectTypeNode.java:279)
>
>
> org.drools.reteoo.builder.PatternBuilder.attachObjectTypeNode(PatternBuilder.java:234)
>
> org.drools.reteoo.ClassObjectTypeConf.<init>(ClassObjectTypeConf.java:93)
>
>
> org.drools.common.ObjectTypeConfigurationRegistry.getObjectTypeConf(ObjectTypeConfigurationRegistry.java:58)
>
>
> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:849)
>
>
> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:788)
>
>
> org.drools.impl.StatefulKnowledgeSessionImpl.insert(StatefulKnowledgeSessionImpl.java:216)
>
> com.wellsfargo.ARGenT.Execution.DefaultLoader.Load(DefaultLoader.java:16)
>
>
>
>
>
> *Tom Murphy
>
> *Business Process Consultant
> Wells Fargo HCFG - CORE Deal Decisioning Platform
>
> 800 S. Jordan Creek Parkway | West Des Moines, IA 50266
> MAC: X2301-01B
> Office: 515 324 4853 | Mobile: 515 423 4334
>
> tom.e.murphy at wellsfargo.com
>
> This transmission may contain information that is confidential and/or
> proprietary. If you are not the individual or entity to which it is
> addressed, note that any review, disclosure, copying, retransmission, or
> other use is strictly prohibited. If you received this transmission in
> error, please notify the sender immediately and delete the material from
> your system.
>
>
>
>
>
>
>
>
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>
>
>
> --
> - CTO @ http://www.plugtree.com
> - MyJourney @ http://salaboy.wordpress.com
> - Co-Founder @ http://www.jbug.com.ar
>
> - Salatino "Salaboy" Mauricio -
>
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>


-- 
- CTO @ http://www.plugtree.com
- MyJourney @ http://salaboy.wordpress.com
- Co-Founder @ http://www.jbug.com.ar

- Salatino "Salaboy" Mauricio -
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