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patmago
 Post subject: Neo4J basic problem...
PostPosted: Thu Jan 07, 2016 10:17 am 
Newbie

Joined: Thu Jan 07, 2016 10:03 am
Posts: 2
Hello,

I'm experimenting with OMG and so far it seems great !!!
I was able to play with mongoDB and now Im stuck with neo4j:

in my pom.xml I have:

Code:
...   
     <dependency>
            <groupId>org.hibernate.ogm</groupId>
            <artifactId>hibernate-ogm-bom</artifactId>
            <version>5.0.0.Beta1</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>


        <dependency>
            <groupId>org.hibernate.ogm</groupId>
            <artifactId>hibernate-ogm-mongodb</artifactId>
            <version>5.0.0.Beta1</version>
        </dependency>


        <dependency>
            <groupId>org.hibernate.ogm</groupId>
            <artifactId>hibernate-ogm-neo4j</artifactId>
            <version>5.0.0.Beta1</version>
        </dependency>

        <dependency>
            <groupId>org.jboss.jbossts</groupId>
            <artifactId>jbossjta</artifactId>
            <version>4.16.4.Final</version>
        </dependency>
...


In persitence.xml:

Code:
..
        <properties>
            <property name="hibernate.ogm.datastore.provider" value="neo4j_embedded"/>
            <property name="hibernate.ogm.datastore.database" value="itemsDB"/>
            <property name="hibernate.ogm.neo4j.database_path" value="target/test_data_dir"/>
            <property name="hibernate.ogm.datastore.create_database" value="true"/>
        </properties>
..


When starting the entity manager factory, I get the following error:
Code:
javax.persistence.PersistenceException: Unable to build entity manager factory
   at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:66)
   at org.hibernate.ogm.jpa.HibernateOgmPersistence.createEntityManagerFactory(HibernateOgmPersistence.java:59)
   at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:55)
   at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:39)
   at com.imtf.dms.metamodel.TestHibernate.setUpEntityManagerFactory(TestHibernate.java:21)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
   at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
   at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
   at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
   at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
   at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
   at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
   at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:78)
   at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:212)
   at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:68)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
Caused by: org.hibernate.service.spi.ServiceException: OGM000071: Unable to start datatore provider
   at org.hibernate.ogm.datastore.neo4j.impl.Neo4jDatastoreProvider.start(Neo4jDatastoreProvider.java:86)
   at org.hibernate.service.internal.AbstractServiceRegistryImpl.startService(AbstractServiceRegistryImpl.java:312)
   at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:220)
   at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:189)
   at org.hibernate.ogm.dialect.impl.GridDialectInitiator.initiateService(GridDialectInitiator.java:50)
   at org.hibernate.ogm.dialect.impl.GridDialectInitiator.initiateService(GridDialectInitiator.java:34)
   at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:88)
   at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:234)
   at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:208)
   at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:189)
   at org.hibernate.ogm.dialect.impl.OgmDialectFactoryInitiator$OgmDialectFactory.<init>(OgmDialectFactoryInitiator.java:44)
   at org.hibernate.ogm.dialect.impl.OgmDialectFactoryInitiator.initiateService(OgmDialectFactoryInitiator.java:31)
   at org.hibernate.ogm.dialect.impl.OgmDialectFactoryInitiator.initiateService(OgmDialectFactoryInitiator.java:25)
   at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:88)
   at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:234)
   at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:208)
   at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:189)
   at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:50)
   at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35)
   at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:88)
   at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:234)
   at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:208)
   at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:189)
   at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:51)
   at org.hibernate.ogm.service.impl.OgmJdbcServicesInitiator$OgmJdbcServicesImpl.configure(OgmJdbcServicesInitiator.java:51)
   at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:94)
   at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:217)
   at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:189)
   at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.handleTypes(MetadataBuildingProcess.java:352)
   at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:111)
   at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata(EntityManagerFactoryBuilderImpl.java:770)
   at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:797)
   at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:58)
   ... 23 more
Caused by: java.lang.RuntimeException: Error starting org.neo4j.kernel.EmbeddedGraphDatabase, /target/test_data_dir
   at org.neo4j.kernel.InternalAbstractGraphDatabase.run(InternalAbstractGraphDatabase.java:335)
   at org.neo4j.kernel.EmbeddedGraphDatabase.<init>(EmbeddedGraphDatabase.java:59)
   at org.neo4j.graphdb.factory.GraphDatabaseFactory.newDatabase(GraphDatabaseFactory.java:108)
   at org.neo4j.graphdb.factory.GraphDatabaseFactory$1.newDatabase(GraphDatabaseFactory.java:95)
   at org.neo4j.graphdb.factory.GraphDatabaseBuilder.newGraphDatabase(GraphDatabaseBuilder.java:176)
   at org.hibernate.ogm.datastore.neo4j.impl.EmbeddedGraphDatabaseFactory.create(EmbeddedGraphDatabaseFactory.java:60)
   at org.hibernate.ogm.datastore.neo4j.impl.Neo4jDatastoreProvider.start(Neo4jDatastoreProvider.java:80)
   ... 55 more
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.kernel.extension.KernelExtensions@4ec61f18' failed to initialize. Please see attached cause exception.
   at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.init(LifeSupport.java:489)
   at org.neo4j.kernel.lifecycle.LifeSupport.init(LifeSupport.java:72)
   at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:106)
   at org.neo4j.kernel.InternalAbstractGraphDatabase.run(InternalAbstractGraphDatabase.java:331)
   ... 61 more
Caused by: java.lang.NoClassDefFoundError: org/apache/lucene/document/Fieldable
   at org.neo4j.kernel.api.impl.index.NodeRangeDocumentLabelScanStorageStrategy.<init>(NodeRangeDocumentLabelScanStorageStrategy.java:71)
   at org.neo4j.kernel.api.impl.index.LuceneLabelScanStoreExtension.newKernelExtension(LuceneLabelScanStoreExtension.java:73)
   at org.neo4j.kernel.api.impl.index.LuceneLabelScanStoreExtension.newKernelExtension(LuceneLabelScanStoreExtension.java:39)
   at org.neo4j.kernel.extension.KernelExtensions.init(KernelExtensions.java:66)
   at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.init(LifeSupport.java:483)
   ... 64 more
Caused by: java.lang.ClassNotFoundException: org.apache.lucene.document.Fieldable
   at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
   at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
   ... 69 more


Any hint ??
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Gunnar
 Post subject: Re: Neo4J basic problem...
PostPosted: Fri Jan 08, 2016 7:55 am 
Hibernate Team
Hibernate Team

Joined: Sat Jan 24, 2009 12:46 pm
Posts: 388
Hi,

Could you provide the output of mvn dependency:tree? There should be lucene-core 3.6.2 somewhere, as it's pulled in transitively via the Hibernate OGM Neo4j backend module. Note that the Neo4j backend cannot be used together (*) with other backends that rely on Hibernate Search and thus Lucene 5. So it might be that you pull in Lucene 5 that way.

Hth,

--Gunnar

(*) That's true for "flat classpath" environments such as a plain JUnit test; It should work in environments providing proper isolation such as WildFly (via JBoss Modules) and the like.

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patmago
 Post subject: Re: Neo4J basic problem...
PostPosted: Fri Jan 08, 2016 1:24 pm 
Newbie

Joined: Thu Jan 07, 2016 10:03 am
Posts: 2
Hello Gunnar,

I found the problem... I did too many test fixed it by cleaning my dependencies... (BTW, one of them Hibernate Search...)

Thanks
Patrick
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