Don't set the id manually, it will be assigned by Spring Data Neo4j. Michael
Am 17.12.2013 um 16:54 schrieb Dominic Martino <[email protected]>: > Hi All, I am just trying lash together a simple data import using Spring Data > and Neo4j. I am just trying to import wine ratings data, so I will have a > 'Wine' and a 'User' and the relationship between them will be a rating which > has a propery which the rating the User gave the wine. > > I am creating a single set of objects using some hardcoded data, upon saving > the data I get the following error > > From what I can see its trying to get one of the nodes I have created (but > not yet saved) by its id which is 1. > > > Caused by: org.neo4j.graphdb.NotFoundException: 1 > at > org.neo4j.rest.graphdb.ExecutingRestAPI.getNodeById(ExecutingRestAPI.java:91) > at org.neo4j.rest.graphdb.RestAPIFacade.getNodeById(RestAPIFacade.java:57) > at > org.neo4j.rest.graphdb.RestGraphDatabase.getNodeById(RestGraphDatabase.java:64) > at > org.springframework.data.neo4j.support.mapping.EntityStateHandler.getPersistentState(EntityStateHandler.java:107) > at > org.springframework.data.neo4j.support.mapping.EntityStateHandler.getPersistentState(EntityStateHandler.java:93) > at > org.springframework.data.neo4j.support.mapping.Neo4jEntityPersister.getPersistentState(Neo4jEntityPersister.java:221) > at > org.springframework.data.neo4j.support.mapping.Neo4jEntityPersister.persist(Neo4jEntityPersister.java:242) > at > org.springframework.data.neo4j.support.mapping.Neo4jEntityPersister.persist(Neo4jEntityPersister.java:231) > at > org.springframework.data.neo4j.support.Neo4jTemplate.save(Neo4jTemplate.java:294) > at > org.springframework.data.neo4j.support.Neo4jTemplate.save(Neo4jTemplate.java:288) > at > org.springframework.data.neo4j.repository.AbstractGraphRepository.save(AbstractGraphRepository.java:110) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at > org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:344) > at > org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:329) > at > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) > at > org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110) > at > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) > at > org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:155) > ... 24 more > > > > > . > > > > Digging further into whats happening I can see the following code in > org.springframework.data.neo4j.support.mapping.Neo > 4jEntityPersister.persist(...): > > > > > if (isNodeEntity(type)) { > final Node node = this.<Node>getPersistentState(entity); // <- > line 242 in Neo4jEntityPersister.java > this.nodeConverter.write(entity, node,mappingPolicy, template, > null ); > return createEntityFromState(getPersistentState(entity),type, > getMappingPolicy(type), template); > //return entity; // TODO ? > } > > > > > If gets the node before writing it? The underlying code in Neo4j then throws > an exception because it cannot be found. > > What am I doing wrong? > > For info I am using the following dependencies through Gradle: > Code: > org.springframework.data:spring-data-neo4j:2.3.2.RELEASE > org.springframework:spring-context:4.0.0.RELEASE > javax.validation:validation-api:1.0.0.GA > org.springframework.data:spring-data-neo4j-rest:2.3.2.RELEASE > Happy to post up the rest of my code if required. > > Thanks for any help > > > > -- > You received this message because you are subscribed to the Google Groups > "Neo4j" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups "Neo4j" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
