| I get the following error which prevents the application to run 01:03:07.488 [main] INFO o.s.o.j.LocalContainerEntityManagerFactoryBean - Building JPA container EntityManagerFactory for persistence unit '60Capital-neo4j-ejbPU'
.01:03:07.505 [main] INFO o.h.jpa.internal.util.LogHelper - HHH000204: Processing PersistenceUnitInfo [
name: 60Capital-neo4j-ejbPU
...]
.01:03:07.584 [main] INFO org.hibernate.Version - HHH000412: Hibernate Core {5.0.9.Final}
.01:03:07.586 [main] INFO org.hibernate.cfg.Environment - HHH000206: hibernate.properties not found
.01:03:07.587 [main] INFO org.hibernate.cfg.Environment - HHH000021: Bytecode provider name : javassist
.01:03:07.640 [main] INFO o.h.annotations.common.Version - HCANN000001: Hibernate Commons Annotations {5.0.1.Final}
.01:03:10.566 [main] WARN o.h.e.j.e.i.JdbcEnvironmentInitiator - HHH000342: Could not obtain connection to query metadata : Could not instantiate named strategy class [org.hibernate.ogm.datastore.neo4j.Neo4jDialect]
.01:03:10.570 [main] WARN o.s.c.a.AnnotationConfigApplicationContext - Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in com.dcubedev.config.Neo4jJpaPersistenceContext: Invocation of init method failed; nested exception is org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in com.dcubedev.config.Neo4jJpaPersistenceContext: Invocation of init method failed; nested exception is org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1628)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1081)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:856)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
at org.springframework.context.annotation.AnnotationConfigApplicationContext.<init>(AnnotationConfigApplicationContext.java:84)
at com.dcubedev.neo4j_sdn.App.main(App.java:183)
Caused by: org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]
at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:244)
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.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:847)
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:874)
at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:60)
at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:353)
at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:373)
at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:362)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1687)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1624)
... 11 more
Caused by: org.hibernate.boot.registry.selector.spi.StrategySelectionException: Could not instantiate named strategy class [org.hibernate.ogm.datastore.neo4j.Neo4jDialect]
at org.hibernate.boot.registry.selector.internal.StrategySelectorImpl.resolveDefaultableStrategy(StrategySelectorImpl.java:170)
at org.hibernate.boot.registry.selector.internal.StrategySelectorImpl.resolveDefaultableStrategy(StrategySelectorImpl.java:126)
at org.hibernate.boot.registry.selector.internal.StrategySelectorImpl.resolveStrategy(StrategySelectorImpl.java:120)
at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.constructDialect(DialectFactoryImpl.java:74)
at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.buildDialect(DialectFactoryImpl.java:51)
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:137)
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)
... 27 more
Caused by: java.lang.InstantiationException: org.hibernate.ogm.datastore.neo4j.Neo4jDialect
at java.lang.Class.newInstance(Unknown Source)
at org.hibernate.boot.registry.selector.internal.StrategySelectorImpl.resolveDefaultableStrategy(StrategySelectorImpl.java:166)
... 35 more
Caused by: java.lang.NoSuchMethodException: org.hibernate.ogm.datastore.neo4j.Neo4jDialect.<init>()
at java.lang.Class.getConstructor0(Unknown Source)
... 37 more Here is the code to create emf private Properties hibProperties() { Properties properties = new Properties(); //properties.put(PROPERTY_NAME_HIBERNATE_DIALECT, "org.hibernate.ogm.datastore.neo4j.HttpNeo4jDialect"); // new as of 5.1.0.final properties.put(PROPERTY_NAME_HIBERNATE_DIALECT, "org.hibernate.ogm.datastore.neo4j.Neo4jDialect"); //properties.put(PROPERTY_NAME_HIBERNATE_DIALECT, env.getRequiredProperty(PROPERTY_NAME_HIBERNATE_DIALECT_NEO4J)); properties.put(PROPERTY_NAME_HIBERNATE_SHOW_SQL, env.getRequiredProperty(PROPERTY_NAME_HIBERNATE_SHOW_SQL)); return properties; } @Bean
public DataSource dataSource() { System.out.println("Neo4jJpaPersistenceContext::dataSource() Environment env: " + env); // capital60 // matalan // mysql:mysql-connector-java:jar DriverManagerDataSource dataSource = new DriverManagerDataSource("jdbc:neo4j:http://localhost:7474", "stephen", "demo2017"); dataSource.setDriverClassName("org.neo4j.jdbc.http.HttpDriver"); //dataSource.setUrl("jdbc:neo4j:http://localhost:7474"); //dataSource.setUsername("stephen"); //dataSource.setPassword("demo2017"); return dataSource; } @Bean
public LocalContainerEntityManagerFactoryBean entityManagerFactory() { //String persistenceXmlLocation = "C:/workspace/dcube-groups/dcube-groups/src/main/resources/persistence.xml"; String persistenceXmlLocation = "persistence.xml"; String persistenceUnitName = "60Capital-neo4j-ejbPU"; System.out.println("Neo4jJpaPersistenceContext::entityManagerFactory() ... " ); System.out.println("Neo4jJpaPersistenceContext::entityManagerFactory() Environment env: " + env); HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter(); System.out.println("Neo4jJpaPersistenceContext::entityManagerFactory() vendorAdapter: " + vendorAdapter); vendorAdapter.setGenerateDdl(true); LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean(); System.out.println("Neo4jJpaPersistenceContext::entityManagerFactory() LocalContainerEntityManagerFactoryBean factory: " + factory); factory.setJpaVendorAdapter(vendorAdapter); factory.setPackagesToScan("com.dcubedev.domain.neo4j"); factory.setDataSource(dataSource()); factory.setPersistenceXmlLocation(persistenceXmlLocation); factory.setPersistenceUnitName(persistenceUnitName); factory.setJpaProperties(hibProperties()); System.out.println("Neo4jJpaPersistenceContext::entityManagerFactory() factory.getObject(): " + factory.getObject()); return factory; } @Bean
public PlatformTransactionManager transactionManager() { JpaTransactionManager txManager = new JpaTransactionManager(); txManager.setEntityManagerFactory(entityManagerFactory().getObject()); //txManager.setEntityManagerFactory(entityManagerFactory()); return txManager; } Here is persistence.xml <persistence-unit name="60Capital-neo4j-ejbPU"
transaction-type="RESOURCE_LOCAL">
<!-- Use the Hibernate OGM provider: configuration will be transparent -->
<provider>org.hibernate.ogm.jpa.HibernateOgmPersistence</provider>
<exclude-unlisted-classes>false</exclude-unlisted-classes>
<properties>
<property name="hibernate.ogm.datastore.provider" value="neo4j_http"/>
<property name="hibernate.connection.driver_class" value="org.neo4j.jdbc.http.HttpDriver" />
<property name="hibernate.connection.url" value="jdbc:neo4j:http://localhost:7474" />
<property name="hibernate.ogm.datastore.host" value="localhost:7474" />
<property name="hibernate.ogm.datastore.username" value="neo4j" />
<property name="hibernate.ogm.datastore.password" value="demo2017" />
<property name="hibernate.ogm.neo4j.database_path" value="C:/neo4j/database/tutorial" />
<!-- http://docs.jboss.org/hibernate/core/4.0/javadocs/org/hibernate/service/jta/platform/internal/package-summary.html
<property name="hibernate.transaction.jta.platform"
value="org.hibernate.service.jta.platform.internal.SunOneJtaPlatform" />
-->
</properties>
</persistence-unit> Maven <properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.version>4.3.6.RELEASE</spring.version>
<mysql.version>5.1.40</mysql.version>
<jackson-core-version>2.8.3</jackson-core-version>
<release-train>Ingalls-RELEASE</release-train>
<neo4j.version>3.1.1</neo4j.version>
<logback.version>1.2.1</logback.version>
<jcloverslf4j.version>1.7.23</jcloverslf4j.version>
</properties> <dependencyManagement>
<dependencies> <dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-framework-bom</artifactId>
<version>$ {spring.version} </version>
<scope>import</scope>
<type>pom</type>
</dependency> <dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-releasetrain</artifactId>
<version>$ {release-train} </version>
<scope>import</scope>
<type>pom</type>
</dependency> <dependency>
<groupId>org.hibernate.ogm</groupId>
<artifactId>hibernate-ogm-bom</artifactId>
<version>5.1.4.Final</version>
<type>pom</type>
<scope>import</scope>
</dependency> </dependencies> </dependencyManagement> <dependencies>
<!-- hibernate -->
<!-- https://mvnrepository.com/artifact/org.hibernate/hibernate-core -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
</dependency> <!-- Hibernate OGM hibernate-ogm-neo4j module; pulls in the OGM core module -->
<dependency>
<groupId>org.hibernate.ogm</groupId>
<artifactId>hibernate-ogm-neo4j</artifactId>
</dependency> <!-- https://mvnrepository.com/artifact/org.springframework.data/spring-data-jpa -->
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-jpa</artifactId>
</dependency> <dependency>
<groupId>org.neo4j</groupId>
<artifactId>neo4j-kernel</artifactId>
<version>$ {neo4j.version} </version>
</dependency> <dependency>
<groupId>org.neo4j</groupId>
<artifactId>neo4j-jdbc-http</artifactId>
<version>3.0.1</version>
</dependency> <!-- https://mvnrepository.com/artifact/javax.persistence/persistence-api
<dependency> <groupId>javax.persistence</groupId> <artifactId>persistence-api</artifactId>
<version>1.0</version> </dependency> --> <!-- standard APIs dependencies - provided in a Java EE container -->
<dependency>
<groupId>org.hibernate.javax.persistence</groupId>
<artifactId>hibernate-jpa-2.1-api</artifactId>
</dependency> <dependency>
<groupId>javax.transaction</groupId>
<artifactId>jta</artifactId>
<version>1.1</version>
</dependency> |
