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Estou tentando persistir mas estou com error

Referente ao curso Persistência com JPA: Hibernate, no capítulo Configurações e EntityManager e atividade Persistindo uma entidade

por Dayson Rodrigues Mota
| 123.4k xp | 63 posts

Estou fazendo utilizando o postgresql mas estou com um error

persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
             xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">


    <persistence-unit name="pos-java-maven-hibernate"  transaction-type="RESOURCE_LOCAL">

        <class>model.UsuarioPessoa</class>
        <properties>
            <property name="javax.persistence.jdbc.driver" value="org.postgresql.Driver" /> <!-- DB Driver -->
            <property name="javax.persistence.jdbc.url" value="jdbc:postgresql://localhost:5432/javahibernate" /> <!-- BD Mane -->
            <property name="javax.persistence.jdbc.user" value="postgres" /> <!-- DB User -->
            <property name="javax.persistence.jdbc.password" value="1990" /> <!-- DB Password -->

               <property name="hibernate.dialect" value="org.hibernate.dialect.PostgreSQLDialect"/> <!-- DB Dialect -->
            <property name="hibernate.hbm2ddl.auto" value="update" /> <!-- create / create-drop / update -->

            <property name="hibernate.show_sql" value="true" /> <!-- Show SQL in console -->
            <property name="hibernate.format_sql" value="true" /> <!-- Show SQL formatted -->
        </properties>
    </persistence-unit>


</persistence>

Meu erro ` 00342: Could not obtain connection to query metadata java.lang.IllegalStateException: Cannot get a connection as the driver manager is not properly initialized at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.getConnection(DriverManagerConnectionProviderImpl.java:172) at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator$ConnectionProviderJdbcConnectionAccess.obtainConnection(JdbcEnvironmentInitiator.java:181

3 respostas
por Rodrigo da Silva Ferreira Caneppele
| 4840.5k xp | 8421 posts
Instrutor Instrutor

Oi Dayson,

Veja se consegue postar aqui o erro completo, pois a mensagem ficou cortada e deve ter em alguma parte a causa raiz do problema.

por Dayson Rodrigues Mota
| 123.4k xp | 63 posts

Olá Rodrigo, segue o erro

OBS: Fiz um Test no JUNIT e consigo salvar,

` ERROR: HHH000142: Javassist Enhancement failed: br.com.projetojsf1.model.Pessoa java.lang.reflect.InaccessibleObjectException: Unable to make protected final java.lang.Class java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) throws java.lang.ClassFormatError accessible: module java.base does not "opens java.lang" to unnamed module @3c60b7e7 at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:354) at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:297) at java.base/java.lang.reflect.Method.checkCanSetAccessible(Method.java:199) at java.base/java.lang.reflect.Method.setAccessible(Method.java:193) at javassist.util.proxy.SecurityActions.setAccessible(SecurityActions.java:103) at javassist.util.proxy.FactoryHelper.toClass2(FactoryHelper.java:181) at javassist.util.proxy.FactoryHelper.toClass(FactoryHelper.java:164) at javassist.util.proxy.ProxyFactory.createClass3(ProxyFactory.java:507) at javassist.util.proxy.ProxyFactory.createClass2(ProxyFactory.java:492) at javassist.util.proxy.ProxyFactory.createClass1(ProxyFactory.java:428) at javassist.util.proxy.ProxyFactory.createClass(ProxyFactory.java:400) at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.getProxyFactory(JavassistLazyInitializer.java:162) at org.hibernate.proxy.pojo.javassist.JavassistProxyFactory.postInstantiate(JavassistProxyFactory.java:67) at org.hibernate.tuple.entity.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:224) at org.hibernate.tuple.entity.AbstractEntityTuplizer.(AbstractEntityTuplizer.java:212) at org.hibernate.tuple.entity.PojoEntityTuplizer.(PojoEntityTuplizer.java:80) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:135) at org.hibernate.tuple.entity.EntityTuplizerFactory.constructDefaultTuplizer(EntityTuplizerFactory.java:188) at org.hibernate.tuple.entity.EntityMetamodel.(EntityMetamodel.java:403) at org.hibernate.persister.entity.AbstractEntityPersister.(AbstractEntityPersister.java:520) at org.hibernate.persister.entity.SingleTableEntityPersister.(SingleTableEntityPersister.java:148) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)

abr. 03, 2022 7:48:50 AM org.hibernate.tuple.entity.PojoEntityTuplizer buildProxyFactory WARN: HHH000305: Could not create proxy factory for:br.com.projetojsf1.model.Pessoa org.hibernate.HibernateException: HHH000142: Javassist Enhancement failed: br.com.projetojsf1.model.Pessoa at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.getProxyFactory(JavassistLazyInitializer.java:166) at org.hibernate.proxy.pojo.javassist.JavassistProxyFactory.postInstantiate(JavassistProxyFactory.java:67) at org.hibernate.tuple.entity.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:224) at org.hibernate.tuple.entity.AbstractEntityTuplizer.(AbstractEntityTuplizer.java:212) at org.hibernate.tuple.entity.PojoEntityTuplizer.(PojoEntityTuplizer.java:80) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:756) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:452) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:210) Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make protected final java.lang.Class java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) throws java.lang.ClassFormatError accessible: module java.base does not "opens java.lang" to unnamed module @3c60b7e7 at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(A

por Rodrigo da Silva Ferreira Caneppele
| 4840.5k xp | 8421 posts
Instrutor Instrutor

Pela mensagem de erro é um problema do Java 9 que você deve estar utilizando.

Altere as configurações do projeto para usar o Java 8 e veja se resolve.