5:43 a.m.
We are seeing this HashMap (KnowledgeAgentImpl.registeredResourceMap) keeps
growing when a pkg is updated. It looks like creating more
CompositeClassLoader and not removing the old rule references. So it causes
KnowledgeAgentImpl use large memory. We are using 5.5.0.final.I am attaching
an image from memory analyzer to show how the HashMap holds up multiple
CompositeClassLoader and they are using about 230MB of memory. It increases
when the pkg gets updated with about 150 rules.
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5:45 a.m.
<http://drools.46999.n3.nabble.com/file/n4029217/resourceMap.png>
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5:49 a.m.
Can you try 5.6.0.Final?
Many issues regarding the KnowledgeAgent were fixed in that version
Thanks
Davide
On 04/11/2014 08:45 PM, Cwen wrote:
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2:30 p.m.
Thank you for your advice Davide! I actually tried upgrade to 5.6.0.final.
However there were a lot of compile errors from our system. So it's not easy
for us to upgrade. I have couple of questions:
1. Is this a known issue documented and fixed with 5.6.0.final? Is there a
JIRA ticket tracking this?
2. Is it possible to patch 5.5.0 version with the fixes?
Thank you!
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10 p.m.
Strange.. the APIs should have not changed between 5.5 and 5.6...
what kind of compilation errors are you getting exactly?
1) The KA was partially rewritten because of a sub-project (drools-mas),
so it was a combination of fixes and "natural evolution"
You can try the tickets here, however:
https://issues.jboss.org/browse/DROOLS-273?jql=text%20~%20%22KnowledgeAge...
2) The easiest thing to try would be to replace the 5.5 KA with the 5.6 and
recompile + test..
Next week I may have some time to assist you
Best
Davide
On 04/12/2014 05:30 AM, Cwen wrote:
Thank you for your advice Davide! I actually tried upgrade to
5.6.0.final.
However there were a lot of compile errors from our system. So it's not easy
for us to upgrade. I have couple of questions:
1. Is this a known issue documented and fixed with 5.6.0.final? Is there a
JIRA ticket tracking this?
2. Is it possible to patch 5.5.0 version with the fixes?
Thank you!
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4:39 a.m.
Thank you Davide. I don't have the compile errors in hand at this moment. I
will try upgrade again and collect the errors next week. I will try replace
KA too if the compile errors cannot be solved. Will update with you. Thank
you!
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5:15 p.m.
Hi Davide, Here are some of the errors I am getting after upgrade to
5.6.0.final. Looks like we are extending class of BaseEvaluator. Any quick
way to work around it? Thank you!
<http://drools.46999.n3.nabble.com/file/n4029246/compileError1.png>
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5:29 p.m.
Davide, please ignore my last post. I looked into the code more and it's the
interface changes Evaluator cause the errors. evaluate() methods now have
InternalFactHandle as an argument instead of Object. Let me work on those
and I will update with you if I see more problems. Thanks.
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5:32 p.m.
Ok, perfect. That internal "interface" was indeed changed.
Please note that there is a potential problem with the implementation of
the
custom evaluators in 5.6. It has been fixed in 6.x, but it should
probably be backported. Let me know if you have problems.
Davide
On 04/14/2014 08:29 AM, Cwen wrote:
Davide, please ignore my last post. I looked into the code more and
it's the
interface changes Evaluator cause the errors. evaluate() methods now have
InternalFactHandle as an argument instead of Object. Let me work on those
and I will update with you if I see more problems. Thanks.
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8:08 p.m.
Davide,
I tried change our methods signature and run the application. Getting
following stack trace when calling KnowledgeAgent.applyChangeSet(Resource
resource):
java.lang.RuntimeException: KnowledgeAgent exception while trying to
deserialize KnowledgeDefinitionsPackage
at
org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:796)
at
org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(KnowledgeAgentImpl.java:1094)
at
org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:844)
at
org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(KnowledgeAgentImpl.java:684)
at
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:207)
at
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:186)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:148)
at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:87)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1004)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:957)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:490)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:461)
at
org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:271)
at
org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:121)
at
org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveManagedList(BeanDefinitionValueResolver.java:353)
at
org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:154)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1391)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1132)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:522)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:461)
at
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295)
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:626)
at
org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)
at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
at
org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:389)
at
org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:294)
at
org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:112)
at
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4350)
at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4816)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)
at
org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1028)
at
org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:773)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)
at
org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1028)
at
org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:278)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)
at
org.apache.catalina.core.StandardService.startInternal(StandardService.java:429)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)
at
org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:662)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)
at org.apache.catalina.startup.Catalina.start(Catalina.java:592)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:290)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:418)
Caused by: java.io.InvalidClassException:
org.drools.rule.constraint.MvelConstraint; local class incompatible: stream
classdesc serialVersionUID = 8537626313322861096, local class
serialVersionUID = 148857042101396396
at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:562)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1582)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1495)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1731)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at java.util.ArrayList.readObject(ArrayList.java:593)
at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1848)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at org.drools.rule.Pattern.readExternal(Pattern.java:125)
at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at java.util.ArrayList.readObject(ArrayList.java:593)
at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1848)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at org.drools.rule.GroupElement.readExternal(GroupElement.java:63)
at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at org.drools.rule.Rule.readExternal(Rule.java:186)
at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at java.util.IdentityHashMap.readObject(IdentityHashMap.java:1188)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1848)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at
org.drools.rule.MVELDialectRuntimeData.readExternal(MVELDialectRuntimeData.java:90)
at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at java.util.HashMap.readObject(HashMap.java:1030)
at sun.reflect.GeneratedMethodAccessor26.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1848)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at
org.drools.rule.DialectRuntimeRegistry.readExternal(DialectRuntimeRegistry.java:58)
at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at org.drools.rule.Package.readExternal(Package.java:212)
at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at
org.drools.core.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:205)
at
org.drools.core.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:189)
at
org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:769)
... 58 more
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8:11 p.m.
Are you downloading a compiled PKG resource? You'd have to rebuild
the PKG with 5.6, or use the source DRL..
On 04/14/2014 11:08 AM, Cwen wrote:
Davide,
I tried change our methods signature and run the application. Getting
following stack trace when calling KnowledgeAgent.applyChangeSet(Resource
resource):
java.lang.RuntimeException: KnowledgeAgent exception while trying to
deserialize KnowledgeDefinitionsPackage
at
org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:796)
at
org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(KnowledgeAgentImpl.java:1094)
at
org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:844)
at
org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(KnowledgeAgentImpl.java:684)
at
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:207)
at
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:186)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:148)
at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:87)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1004)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:957)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:490)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:461)
at
org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:271)
at
org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:121)
at
org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveManagedList(BeanDefinitionValueResolver.java:353)
at
org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:154)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1391)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1132)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:522)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:461)
at
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295)
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:626)
at
org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)
at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
at
org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:389)
at
org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:294)
at
org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:112)
at
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4350)
at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4816)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)
at
org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1028)
at
org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:773)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)
at
org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1028)
at
org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:278)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)
at
org.apache.catalina.core.StandardService.startInternal(StandardService.java:429)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)
at
org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:662)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)
at org.apache.catalina.startup.Catalina.start(Catalina.java:592)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:290)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:418)
Caused by: java.io.InvalidClassException:
org.drools.rule.constraint.MvelConstraint; local class incompatible: stream
classdesc serialVersionUID = 8537626313322861096, local class
serialVersionUID = 148857042101396396
at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:562)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1582)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1495)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1731)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at java.util.ArrayList.readObject(ArrayList.java:593)
at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1848)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at org.drools.rule.Pattern.readExternal(Pattern.java:125)
at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at java.util.ArrayList.readObject(ArrayList.java:593)
at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1848)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at org.drools.rule.GroupElement.readExternal(GroupElement.java:63)
at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at org.drools.rule.Rule.readExternal(Rule.java:186)
at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at java.util.IdentityHashMap.readObject(IdentityHashMap.java:1188)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1848)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at
org.drools.rule.MVELDialectRuntimeData.readExternal(MVELDialectRuntimeData.java:90)
at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at java.util.HashMap.readObject(HashMap.java:1030)
at sun.reflect.GeneratedMethodAccessor26.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1848)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at
org.drools.rule.DialectRuntimeRegistry.readExternal(DialectRuntimeRegistry.java:58)
at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at org.drools.rule.Package.readExternal(Package.java:212)
at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at
org.drools.core.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:205)
at
org.drools.core.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:189)
at
org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:769)
... 58 more
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8:59 p.m.
Thank you Davide. That helped. I re-compiled the pkg and it got loaded
successfully. However the run execution is throwing the following errors. I
am looking into it. Not sure if that's something you have any insight.
[Error: could not access: size; in class: java.util.ArrayList]
[Near : {... size > 0 ....}]
^
[Line: 1, Column: 1]
at
org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getBeanProperty(ReflectiveAccessorOptimizer.java:683)
at
org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getBeanPropertyAO(ReflectiveAccessorOptimizer.java:465)
at
org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:370)
at
org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAccessorOptimizer.java:140)
at org.mvel2.ast.ASTNode.optimize(ASTNode.java:159)
at org.mvel2.ast.ASTNode.getReducedValueAccelerated(ASTNode.java:115)
at
org.mvel2.ast.BinaryOperation.getReducedValueAccelerated(BinaryOperation.java:114)
at org.mvel2.MVELRuntime.execute(MVELRuntime.java:86)
at
org.mvel2.compiler.CompiledExpression.getDirectValue(CompiledExpression.java:123)
at
org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:119)
at org.mvel2.MVEL.executeExpression(MVEL.java:930)
at
org.drools.rule.constraint.MvelConditionEvaluator.evaluate(MvelConditionEvaluator.java:73)
at
org.drools.rule.constraint.MvelConditionEvaluator.evaluate(MvelConditionEvaluator.java:52)
at
org.drools.rule.constraint.MvelConstraint.evaluate(MvelConstraint.java:218)
at
org.drools.rule.constraint.MvelConstraint.isAllowed(MvelConstraint.java:175)
at
org.drools.reteoo.AccumulateNode.evaluateResultConstraints(AccumulateNode.java:655)
at
org.drools.reteoo.AccumulateNode.assertLeftTuple(AccumulateNode.java:185)
at
org.drools.reteoo.CompositeLeftTupleSinkAdapter.doPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:232)
at
org.drools.reteoo.CompositeLeftTupleSinkAdapter.createAndPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:116)
at
org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:151)
at
org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:497)
at
org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:382)
at
org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:364)
at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:302)
at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:254)
at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:366)
at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:327)
at
org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:950)
at
org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:894)
at
org.drools.impl.StatefulKnowledgeSessionImpl.insert(StatefulKnowledgeSessionImpl.java:269)
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9:12 p.m.
MVEL glitch, try size() > 0
On 04/14/2014 11:59 AM, Cwen wrote:
Thank you Davide. That helped. I re-compiled the pkg and it got
loaded
successfully. However the run execution is throwing the following errors. I
am looking into it. Not sure if that's something you have any insight.
[Error: could not access: size; in class: java.util.ArrayList]
[Near : {... size > 0 ....}]
^
[Line: 1, Column: 1]
at
org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getBeanProperty(ReflectiveAccessorOptimizer.java:683)
at
org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getBeanPropertyAO(ReflectiveAccessorOptimizer.java:465)
at
org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:370)
at
org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAccessorOptimizer.java:140)
at org.mvel2.ast.ASTNode.optimize(ASTNode.java:159)
at org.mvel2.ast.ASTNode.getReducedValueAccelerated(ASTNode.java:115)
at
org.mvel2.ast.BinaryOperation.getReducedValueAccelerated(BinaryOperation.java:114)
at org.mvel2.MVELRuntime.execute(MVELRuntime.java:86)
at
org.mvel2.compiler.CompiledExpression.getDirectValue(CompiledExpression.java:123)
at
org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:119)
at org.mvel2.MVEL.executeExpression(MVEL.java:930)
at
org.drools.rule.constraint.MvelConditionEvaluator.evaluate(MvelConditionEvaluator.java:73)
at
org.drools.rule.constraint.MvelConditionEvaluator.evaluate(MvelConditionEvaluator.java:52)
at
org.drools.rule.constraint.MvelConstraint.evaluate(MvelConstraint.java:218)
at
org.drools.rule.constraint.MvelConstraint.isAllowed(MvelConstraint.java:175)
at
org.drools.reteoo.AccumulateNode.evaluateResultConstraints(AccumulateNode.java:655)
at
org.drools.reteoo.AccumulateNode.assertLeftTuple(AccumulateNode.java:185)
at
org.drools.reteoo.CompositeLeftTupleSinkAdapter.doPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:232)
at
org.drools.reteoo.CompositeLeftTupleSinkAdapter.createAndPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:116)
at
org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:151)
at
org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:497)
at
org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:382)
at
org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:364)
at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:302)
at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:254)
at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:366)
at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:327)
at
org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:950)
at
org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:894)
at
org.drools.impl.StatefulKnowledgeSessionImpl.insert(StatefulKnowledgeSessionImpl.java:269)
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10:32 p.m.
Thanks! That helped. I am analyzing the memory usage and trying to convert
our old rule syntax... Will update with you later. Thank you.
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13 comments
2 participants
participants (2)
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Cwen -
Davide Sottara