Exception in thread "main" java.lang.IllegalStateException: java.lang.reflect.InvocationTargetException
	at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.buildCommanService(KnowledgeStoreServiceImpl.java:130)
	at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newStatefulKnowledgeSession(KnowledgeStoreServiceImpl.java:54)
	at org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:109)
	at org.sample.Test.main(Test.java:48)
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:532)
	at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.buildCommanService(KnowledgeStoreServiceImpl.java:116)
	... 3 more
Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: Unable to load class: org.jbpm.persistence.processinstance.JPAProcessInstanceManagerFactory
	at org.jbpm.process.instance.ProcessRuntimeImpl.loadClass(ProcessRuntimeImpl.java:97)
	at org.jbpm.process.instance.ProcessRuntimeImpl.initProcessInstanceManager(ProcessRuntimeImpl.java:71)
	at org.jbpm.process.instance.ProcessRuntimeImpl.<init>(ProcessRuntimeImpl.java:60)
	at org.jbpm.process.instance.ProcessRuntimeFactoryServiceImpl.newProcessRuntime(ProcessRuntimeFactoryServiceImpl.java:10)
	at org.jbpm.process.instance.ProcessRuntimeFactoryServiceImpl.newProcessRuntime(ProcessRuntimeFactoryServiceImpl.java:6)
	at org.drools.runtime.process.ProcessRuntimeFactory.newProcessRuntime(ProcessRuntimeFactory.java:12)
	at org.drools.common.AbstractWorkingMemory.createProcessRuntime(AbstractWorkingMemory.java:359)
	at org.drools.common.AbstractWorkingMemory.setKnowledgeRuntime(AbstractWorkingMemory.java:1260)
	at org.drools.impl.StatefulKnowledgeSessionImpl.<init>(StatefulKnowledgeSessionImpl.java:116)
	at org.drools.impl.StatefulKnowledgeSessionImpl.<init>(StatefulKnowledgeSessionImpl.java:110)
	at org.drools.reteoo.ReteooRuleBase.newStatefulSession(ReteooRuleBase.java:372)
	at org.drools.reteoo.ReteooRuleBase.newStatefulSession(ReteooRuleBase.java:352)
	at org.drools.impl.KnowledgeBaseImpl.newStatefulKnowledgeSession(KnowledgeBaseImpl.java:175)
	at org.drools.persistence.SingleSessionCommandService.<init>(SingleSessionCommandService.java:101)
	... 8 more
Caused by: java.lang.ClassNotFoundException: Unable to load class: org.jbpm.persistence.processinstance.JPAProcessInstanceManagerFactory
	at org.drools.util.CompositeClassLoader.loadClass(CompositeClassLoader.java:92)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	at org.jbpm.process.instance.ProcessRuntimeImpl.loadClass(ProcessRuntimeImpl.java:95)
	... 21 more