5.5 was not thread-safe and some of these concurrency issues have been fixed in later versions. Could you try 5.6 or 6.x?
On 07/02/2014 08:19 AM, maruthi_s wrote: > Hi , > > We use Drools 5.5 and drool implementation is done through Spring > JSR94Support API> > The Rule engine is called in concurrent mode, > i.e , JSR94Support.executeStateless(name,list) is executed through multiple > threads. > > And when the rules are executed we randomly get the following exception > > org.drools.RuntimeDroolsException: Unable to resolve class 'someclass(this > is sample)here actual class is printed>' > at > org.drools.base.ClassFieldAccessorCache.getClass(ClassFieldAccessorCache.java:126) > at > org.drools.base.ClassFieldAccessorCache.getClassObjectType(ClassFieldAccessorCache.java:48) > at > org.drools.reteoo.ClassObjectTypeConf.<init>(ClassObjectTypeConf.java:83) > at > org.drools.common.ObjectTypeConfigurationRegistry.getObjectTypeConf(ObjectTypeConfigurationRegistry.java:71) > at > org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:159) > at > org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:903) > at > org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:847) > at > org.drools.reteoo.ReteooStatelessSession.executeWithResults(ReteooStatelessSession.java:273) > > The rules are registered every 15 minutes through > RuleAdministrator.registerRuleExecutionset , > so whenever we refresh the rules and the subsequent thread even after the > registration is completed, fails with the above message. This happens only > when the rules are invoked concurrently. > > Please advise. > > > > -- > View this message in context: > http://drools.46999.n3.nabble.com/Unable-to-resolve-class-error-drools-5-5-in-concurrent-execution-JSR94Support-and-Spring-tp4030226.html > Sent from the Drools: User forum mailing list archive at Nabble.com. > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > _______________________________________________ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
