liliana.iovanovici [https://community.jboss.org/people/liliana.iovanovici] created the discussion
"Re: NullPointerException when trying to configure jbpm5 with Spring 3.0 and Persistence" To view the discussion, visit: https://community.jboss.org/message/719388#719388 -------------------------------------------------------------- I was trying to configure persistence in other way, using Bitronix. My spring-conf.xml file is: <bean id="transactionManager" class="org.springframework.transaction.jta.JtaTransactionManager"> <property name="transactionManager" ref="bitronixTransactionManager" /> <property name="userTransaction" ref="bitronixTransactionManager" /> </bean> <bean id="bitronixTransactionManager" factory-method="getTransactionManager" class="bitronix.tm.TransactionManagerServices" depends-on="transactionManager" destroy-method="shutdown" /> <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="persistenceUnitName" value="oracle" /> <property name="persistenceXmlLocation" value="classpath:META-INF/persistence.xml" /> <property name="jpaVendorAdapter"> <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"> <property name="databasePlatform" value="org.hibernate.dialect.Oracle10gDialect" /> <property name="showSql" value="true" /> <property name="generateDdl" value="false" /> </bean> </property> </bean> <jbpm:kbase id="kbase"> <jbpm:resources> <jbpm:resource type="BPMN2" source="classpath:Hi.bpmn" /> </jbpm:resources> </jbpm:kbase> <jbpm:ksession id="persistentKSession" type="stateful" kbase="kbase"> <jbpm:configuration> <jbpm:jpa-persistence> <jbpm:transaction-manager ref="transactionManager" /> <jbpm:entity-manager-factory ref="entityManagerFactory" /> </jbpm:jpa-persistence> </jbpm:configuration> </jbpm:ksession> *And persistence.xml file is:* <persistence-unit name="oracle" transaction-type="JTA"> <provider>org.hibernate.ejb.HibernatePersistence</provider> <jta-data-source></jta-data-source> <mapping-file>META-INF/JBPMorm.xml</mapping-file> <class>org.drools.persistence.info.SessionInfo</class> <class>org.jbpm.persistence.processinstance.ProcessInstanceInfo</class> <class>org.drools.persistence.info.WorkItemInfo</class> <properties> <property name="hibernate.dialect" value="org.hibernate.dialect.Oracle10gDialect"/> <property name="hibernate.connection.driver_class" value="oracle.jdbc.OracleDriver"/> <property name="hibernate.connection.url" value="jdbc:oracle:thin:@localhost:1521:xe" /> <property name="hibernate.connection.username" value="apsfsample"/> <property name="hibernate.connection.password" value="apsf"/> <property name="hibernate.connection.autocommit" value="false" /> <property name="hibernate.max_fetch_depth" value="3"/> <property name="hibernate.hbm2ddl.auto" value="create" /> <property name="hibernate.show_sql" value="true" /> <property name="hibernate.transaction.manager_lookup_class" value="org.hibernate.transaction.BTMTransactionManagerLookup"/> </properties> </persistence-unit> </persistence> I *steel* got an exeption. It seems that the session can be commited in database. The error is: 11:14:25,437 ERROR SingleSessionCommandService:313 - Could not commit session java.lang.NullPointerException at org.drools.persistence.SingleSessionCommandService.<init>(SingleSessionCommandService.java:125) 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.drools.persistence.jpa.KnowledgeStoreServiceImpl.buildCommanService(KnowledgeStoreServiceImpl.java:116) at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newStatefulKnowledgeSession(KnowledgeStoreServiceImpl.java:54) at org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:122) at org.drools.container.spring.beans.StatefulKnowledgeSessionBeanFactory.internalAfterPropertiesSet(StatefulKnowledgeSessionBeanFactory.java:82) at org.drools.container.spring.beans.AbstractKnowledgeSessionBeanFactory.afterPropertiesSet(AbstractKnowledgeSessionBeanFactory.java:108) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1460) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1400) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:450) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:290) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:287) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:189) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:545) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:871) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:423) at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139) at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83) Does anybody know this error? 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