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.
