1
resposta

Erro no exercicio : Consulta simples usando concatenacao

Não funcionou

package br.com.alura.financas.teste;

import java.util.List;

import javax.persistence.EntityManager;
import javax.persistence.Query;

import br.com.alura.financas.modelo.Conta;
import br.com.alura.financas.modelo.Movimentacao;
import br.com.alura.financas.util.JPAUtil;

public class TesteConsulta {

    public static void main(String[] args) {

        EntityManager manager = JPAUtil.getEntityManager();

        Conta conta = new Conta();
        conta.setId(1);

        Query query = manager
                .createQuery("select m from Movimentacao m where m.conta.id="
                        + conta.getId());

        List<Movimentacao> movimentacoes = query.getResultList();

        movimentacoes.forEach(m -> { 
            System.out.println("\nDescricao ..: " + m.getDescricao());
            System.out.println("Valor ......: R$ " + m.getValor());
        });


        manager.close();
    }

}

erro

fev 20, 2017 5:42:03 PM org.hibernate.annotations.common.Version <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {4.0.1.Final}
fev 20, 2017 5:42:03 PM org.hibernate.Version logVersion
INFO: HHH000412: Hibernate Core {4.2.0.Final}
fev 20, 2017 5:42:03 PM org.hibernate.cfg.Environment <clinit>
INFO: HHH000206: hibernate.properties not found
fev 20, 2017 5:42:03 PM org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
Exception in thread "main" java.lang.ExceptionInInitializerError
    at br.com.alura.financas.teste.TesteConsulta.main(TesteConsulta.java:16)
Caused by: javax.persistence.PersistenceException: Unable to configure EntityManagerFactory
    at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:386)
    at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:71)
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:63)
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:47)
    at br.com.alura.financas.util.JPAUtil.<clinit>(JPAUtil.java:8)
    ... 1 more
Caused by: java.lang.RuntimeException: Error while reading file:/G:/DESENVOLVIMENTO/eclipse%2032/eclipse/workspace/Financas/bin
    at org.hibernate.ejb.packaging.NativeScanner.getClassesInJar(NativeScanner.java:131)
    at org.hibernate.ejb.Ejb3Configuration.addScannedEntries(Ejb3Configuration.java:486)
    at org.hibernate.ejb.Ejb3Configuration.addMetadataFromScan(Ejb3Configuration.java:476)
    at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:362)
    ... 5 more
Caused by: java.io.IOException: invalid constant type: 18
    at javassist.bytecode.ConstPool.readOne(ConstPool.java:1113)
    at javassist.bytecode.ConstPool.read(ConstPool.java:1056)
    at javassist.bytecode.ConstPool.<init>(ConstPool.java:150)
    at javassist.bytecode.ClassFile.read(ClassFile.java:765)
    at javassist.bytecode.ClassFile.<init>(ClassFile.java:109)
    at org.hibernate.ejb.packaging.AbstractJarVisitor.checkAnnotationMatching(AbstractJarVisitor.java:246)
    at org.hibernate.ejb.packaging.AbstractJarVisitor.executeJavaElementFilter(AbstractJarVisitor.java:212)
    at org.hibernate.ejb.packaging.AbstractJarVisitor.addElement(AbstractJarVisitor.java:173)
    at org.hibernate.ejb.packaging.ExplodedJarVisitor.getClassNamesInTree(ExplodedJarVisitor.java:126)
    at org.hibernate.ejb.packaging.ExplodedJarVisitor.getClassNamesInTree(ExplodedJarVisitor.java:134)
    at org.hibernate.ejb.packaging.ExplodedJarVisitor.getClassNamesInTree(ExplodedJarVisitor.java:134)
    at org.hibernate.ejb.packaging.ExplodedJarVisitor.getClassNamesInTree(ExplodedJarVisitor.java:134)
    at org.hibernate.ejb.packaging.ExplodedJarVisitor.getClassNamesInTree(ExplodedJarVisitor.java:134)
    at org.hibernate.ejb.packaging.ExplodedJarVisitor.getClassNamesInTree(ExplodedJarVisitor.java:134)
    at org.hibernate.ejb.packaging.ExplodedJarVisitor.doProcessElements(ExplodedJarVisitor.java:92)
    at org.hibernate.ejb.packaging.AbstractJarVisitor.getMatchingEntries(AbstractJarVisitor.java:149)
    at org.hibernate.ejb.packaging.NativeScanner.getClassesInJar(NativeScanner.java:128)
    ... 8 more
1 resposta

Fala Alexandre, tudo bem ?

Aparentemente o problema ocorre ao tentar recuperar o EntityManager.

at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:47)
at br.com.alura.financas.util.JPAUtil.<clinit>(JPAUtil.java:8)

Como está a configuração e a JPAUtil ?

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