I am unsure about the cause of the following NullPointer Exception. Any
Ideas?
Thanks
Exception in thread "main"
org.springframework.beans.factory.BeanCreationException: Error creating
bean with name 'aDocumentService': Injection of autowired dependencies
failed; nested exception is
org.springframework.beans.factory.BeanCreationException: Could not autowire
field: com.project.core.solr.repository.DocumentRepository
com.project.core.solr.service.impl.DocumentServiceImpl.DocRepo; nested
exception is org.springframework.beans.factory.BeanCreationException: Error
creating bean with name 'DocumentRepository': FactoryBean threw exception
on object creation; nested exception is java.lang.NullPointerException
at
org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:288)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1116)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
at
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295)
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:626)
at
org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)
at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
at
org.springframework.context.annotation.AnnotationConfigApplicationContext.<init>(AnnotationConfigApplicationContext.java:73)
at com.project.core.solr..DocumentTester.main(DocumentTester.java:18)
Caused by: org.springframework.beans.factory.BeanCreationException: Could
not autowire field: com.project.core.solr.repository.DocumentRepository
com.project.core.solr.service.impl.DocumentServiceImpl.DocRepo; nested
exception is org.springframework.beans.factory.BeanCreationException: Error
creating bean with name 'DocumentRepository': FactoryBean threw exception
on object creation; nested exception is java.lang.NullPointerException
at
org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:514)
at
org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87)
at
org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:285)
... 12 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error
creating bean with name 'DocumentRepository': FactoryBean threw exception
on object creation; nested exception is java.lang.NullPointerException
at
org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:149)
at
org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:102)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1454)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:306)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:910)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:853)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:768)
at
org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:486)
... 14 more
Caused by: java.lang.NullPointerException
at
org.springframework.data.solr.repository.support.MappingSolrEntityInformation.getIdAttribute(MappingSolrEntityInformation.java:68)
at
org.springframework.data.solr.repository.support.SimpleSolrRepository.<init>(SimpleSolrRepository.java:73)
at
org.springframework.data.solr.repository.support.SolrRepositoryFactory.getTargetRepository(SolrRepositoryFactory.java:64)
at
org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:136)
at
org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.getObject(RepositoryFactoryBeanSupport.java:153)
at
org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.getObject(RepositoryFactoryBeanSupport.java:43)
at
org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:142)
... 22 more
