java.lang.NullPointerException: with Spring #2

[janondrusek]

When Batoo fails with NPE, it does not really give me a clue what is wrong and where should I look to fix it.

 Invocation of init method failed; nested exception is javax.persistence.PersistenceException: Unable to build the entity manager factory for persistence unit: default
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1482)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:521)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1117)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:922)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:120)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:60)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.delegateLoading(AbstractDelegatingSmartContextLoader.java:100)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.loadContext(AbstractDelegatingSmartContextLoader.java:248)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.test.context.CacheAwareContextLoaderDelegate.loadContextInternal(CacheAwareContextLoaderDelegate.java:64)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.test.context.CacheAwareContextLoaderDelegate.loadContext(CacheAwareContextLoaderDelegate.java:91)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         ... 31 common frames omitted
11:00:26.203 ERROR  o.s.test.context.TestContextManager Caused by: javax.persistence.PersistenceException: Unable to build the entity manager factory for persistence unit: default
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.batoo.jpa.core.BatooPersistenceProvider.createContainerEntityManagerFactory(BatooPersistenceProvider.java:86)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.batoo.jpa.core.BatooPersistenceProvider.createContainerEntityManagerFactory(BatooPersistenceProvider.java:44)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:288)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:310)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1541)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1479)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         ... 46 common frames omitted
11:00:26.203 ERROR  o.s.test.context.TestContextManager Caused by: java.lang.NullPointerException: null
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.batoo.common.reflect.PropertyAccessor.(PropertyAccessor.java:51)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.batoo.common.reflect.ReflectHelper.getAccessor(ReflectHelper.java:212)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.batoo.jpa.core.impl.model.attribute.AttributeImpl.(AttributeImpl.java:83)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.batoo.jpa.core.impl.model.attribute.SingularAttributeImpl.(SingularAttributeImpl.java:55)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.batoo.jpa.core.impl.model.attribute.BasicAttribute.(BasicAttribute.java:128)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.batoo.jpa.core.impl.model.ManagedTypeImpl.addAttributes(ManagedTypeImpl.java:137)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.batoo.jpa.core.impl.model.IdentifiableTypeImpl.addAttributes(IdentifiableTypeImpl.java:212)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.batoo.jpa.core.impl.model.EntityTypeImpl.(EntityTypeImpl.java:193)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.batoo.jpa.core.impl.model.MetamodelImpl.(MetamodelImpl.java:227)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.batoo.jpa.core.impl.manager.EntityManagerFactoryImpl.(EntityManagerFactoryImpl.java:153)
11:00:26.203 ERROR  o.s.test.context.TestContextManager         at org.batoo.jpa.core.BatooPersistenceProvider.createContainerEntityManagerFactory(BatooPersistenceProvider.java:72)