[jboss-jira] [JBoss JIRA] (DROOLS-422) Timer based rules don't fire and facts can't expire after session restore

Roger Lefebvre (JIRA) issues at jboss.org
Tue May 27 19:27:57 EDT 2014


    [ https://issues.jboss.org/browse/DROOLS-422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12971025#comment-12971025 ] 

Roger Lefebvre commented on DROOLS-422:
---------------------------------------

Hi,

My situation is somewhat similar in that it an interval rule is involved. The difference is that I'm running 6.1.0.Beta3 and the exception is not a NPE but an IllegalStatementException.
If this is an entirely different issue, I can enter another ticket. The stack trace is as follows:

Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'campaignHandler': Invocation of init method failed; nested exception is java.lang.IllegalStateException: java.lang.reflect.InvocationTargetException
	at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:136)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:407)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1545)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:703)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
	at com.s.c.u.ConfigUtility.loadProfileContext(ConfigUtility.java:42)
	at com.s.c.m.CallManagerMain.init(CallManagerMain.java:19)
	at com.splice.c.m.CallManagerMain.main(CallManagerMain.java:46)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
Caused by: java.lang.IllegalStateException: java.lang.reflect.InvocationTargetException
	at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.buildCommandService(KnowledgeStoreServiceImpl.java:137)
	at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.loadKieSession(KnowledgeStoreServiceImpl.java:90)
	at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.loadKieSession(KnowledgeStoreServiceImpl.java:39)
	at com.s.c.m.CampaignCallHandler.loadSession(CampaignCallHandler.java:64)
	at com.s.c.m.CampaignCallHandler.initFactEngine(CampaignCallHandler.java:50)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:349)
	at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:300)
	at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:133)
	... 19 more
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
	at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.buildCommandService(KnowledgeStoreServiceImpl.java:122)
	... 30 more
Caused by: java.lang.RuntimeException: Unable to load session snapshot
	at org.drools.persistence.SessionMarshallingHelper.loadSnapshot(SessionMarshallingHelper.java:88)
	at org.drools.persistence.SingleSessionCommandService.initExistingKnowledgeSession(SingleSessionCommandService.java:239)
	at org.drools.persistence.SingleSessionCommandService.<init>(SingleSessionCommandService.java:172)
	... 35 more
Caused by: java.lang.IllegalStateException: Trigger.nextFireTime is not increasing
	at org.drools.core.phreak.PhreakTimerNode.scheduleTimer(PhreakTimerNode.java:305)
	at org.drools.core.phreak.PhreakTimerNode.access$000(PhreakTimerNode.java:49)
	at org.drools.core.phreak.PhreakTimerNode$1.schedule(PhreakTimerNode.java:242)
	at org.drools.core.phreak.PhreakTimerNode$TimerNodeTimerInputMarshaller.deserialize(PhreakTimerNode.java:599)
	at org.drools.core.marshalling.impl.ProtobufInputMarshaller.readTimer(ProtobufInputMarshaller.java:700)
	at org.drools.core.marshalling.impl.ProtobufInputMarshaller.readSession(ProtobufInputMarshaller.java:282)
	at org.drools.core.marshalling.impl.ProtobufInputMarshaller.readSession(ProtobufInputMarshaller.java:155)
	at org.drools.core.marshalling.impl.ProtobufMarshaller.unmarshall(ProtobufMarshaller.java:110)
	at org.drools.core.marshalling.impl.ProtobufMarshaller.unmarshall(ProtobufMarshaller.java:54)
	at org.drools.persistence.SessionMarshallingHelper.loadSnapshot(SessionMarshallingHelper.java:83)
	... 37 more

> Timer based rules don't fire and facts can't expire after session restore
> -------------------------------------------------------------------------
>
>                 Key: DROOLS-422
>                 URL: https://issues.jboss.org/browse/DROOLS-422
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 5.5.0.Final
>         Environment: Linux Mint 15
> JBoss AS 5.1
>            Reporter: Nedo Nedic
>            Assignee: Mark Proctor
>         Attachments: drools-mongodb-persistence.zip
>
>
> I have implemented a custom persistence engine for Drools sessions in MongoDB. When session is built for first time, everything works like a charm. I am having some problems when Drools sessions are restored from MongoDB collection. Firstly, interval based rules (for example timer(int: 10s 10s)) don't fire. Some facts that should expire, they just don't expire and remain forever in WM. I attached the source code. When session is built for first time, I use code like this:
> KnowledgeBase kbase = createKBase(getKnowledgeBuilder(rulePackagePath),
> 				config);
> 		if (hasKnowledgeAgent) {
> 			
> 			createKnowledgeAgent(kbase, correlatorId);
> 			
> 			wm = (ReteooStatefulSession) ((KnowledgeBaseImpl) kagent
> 					.getKnowledgeBase()).ruleBase.newStatefulSession(
> 					(SessionConfiguration) ksconf, env);
> 			ksession = new StatefulKnowledgeSessionImpl(wm, kagent
> 					.getKnowledgeBase());
> 			
> 		    stateOutputMarshaller = StateMarshallerFactory.newOutputMarshaller(this, ksession, ksconf);
> 		    stateOutputMarshaller.init();
> 		    ((InternalKnowledgeRuntime) ksession).setEndOperationListener(this);
> 			}
> Then, after every action I update the session in MongoDB collection.
> public void endOperation(InternalKnowledgeRuntime ikr) {
> 		
> 		stateOutputMarshaller.marshall();
> 	}
>  For session restoring, after AS restart I use this code:
> KnowledgeBase kbase = createKBase( getKnowledgeBuilder(rulePackagePath), getKBaseConfig() );
> 			stateInputMarshaller = StateMarshallerFactory.newInputMarshaller( this, kbase, getSessionConf() );
> 			ksession = stateInputMarshaller.unmarshall(correlatorId);
> 			stateOutputMarshaller = StateMarshallerFactory.newOutputMarshaller( this, ksession, getSessionConf() );
> 			
> 			((InternalKnowledgeRuntime)ksession).setEndOperationListener(this);
> 			
> protected static KnowledgeBaseConfiguration getKBaseConfig() {
> 		KnowledgeBaseConfiguration config = KnowledgeBaseFactory
> 				.newKnowledgeBaseConfiguration();
> 		config.setOption(EventProcessingOption.STREAM);
> 		return config;
> 	}
> 	protected static KnowledgeSessionConfiguration getSessionConf() {
> 		KnowledgeSessionConfiguration ksconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
> 	      ksconf.setOption(ClockTypeOption.get("realtime"));
> 		return ksconf;
> 	}
> Any help is appreciated.
> Thanks



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