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java.lang.NullPointerException: 	at org.neo4j.ogm.mapper.EntityCollector.getCollectiblesForOwnerAndRelationshipType(EntityCollector.java:77)	at org.neo4j.ogm.mapper.GraphEntityMapper.mapOneToMany(GraphEntityMapper.java:332)	at org.neo4j.ogm.mapper.GraphEntityMapper.mapRelationships(GraphEntityMapper.java:257)	at org.neo4j.ogm.mapper.GraphEntityMapper.mapEntities(GraphEntityMapper.java:90)	at org.neo4j.ogm.mapper.GraphEntityMapper.map(GraphEntityMapper.java:64)	at org.neo4j.ogm.session.response.SessionResponseHandler.loadById(SessionResponseHandler.java:137)	at org.neo4j.ogm.session.delegates.LoadOneDelegate.load(LoadOneDelegate.java:43)	at org.neo4j.ogm.session.Neo4jSession.load(Neo4jSession.java:93)	at org.springframework.data.neo4j.repository.GraphRepositoryImpl.findOne(GraphRepositoryImpl.java:113)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:452)	at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:437)	at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:409)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:61)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)	at com.sun.proxy.$Proxy53.findOne(Unknown Source)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)	at org.springframework.aop.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:201)	at com.sun.proxy.$Proxy55.findOne(Unknown Source)	at keyron.fbnet.crawler.AccountManager.UsersAccountRetriever.completeRetrieveFromNeo4j(UsersAccountRetriever.java:73)	at keyron.fbnet.crawler.jsoup.AccountHydratator.hydrateAccount(AccountHydratator.java:46)	at keyron.fbnet.crawler.Crawler.getAccountInfo(Crawler.java:67)	at keyron.fbnet.crawler.InfoGrabber.getInfo(InfoGrabber.java:143)	at keyron.fbnet.crawler.InfoGrabber.call(InfoGrabber.java:115)	at keyron.fbnet.crawler.InfoGrabber.call(InfoGrabber.java:38)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)