Discussoes de Programacao e Tecnologia

Re:erro Hibernate-> org.hibernate.InvalidMappingException

2 respostas
Javabuntu
Javabuntu 
seu problema está na classe aluno, não foi possível obter o mapeamento... dê uma olhada direito que tem algo escrito errado, diretório faltando no endereço pra classe....
os demais erros são porque não encontrou a classe, então deu erro no id não encontrado, referência nula... etc...

flw Hewerton

seu problema está na classe aluno, não foi possível obter o mapeamento… dê uma olhada direito que tem algo escrito errado, diretório faltando no endereço pra classe…
os demais erros são porque não encontrou a classe, então deu erro no id não encontrado, referência nula… etc…

flw Hewerton

Alura O que são algoritmos e lógica de programação e como aprender? Entenda o que são algoritmos e lógica de programação e qual é a importância desses conceitos para começar a programar

2 Respostas

D
David_Augusto

estou tentando executar um simples exemplo no hibernate e não consigo, é um erro atrás do outro.

estou usando eclipse europa
hibernate:3

os arquivos estão configurados em suas devidas pastas, conforme milhoes de arquivos que li na net.

se alguem puder me ajudar eu agradeço.

meu erro: org.hibernate.InvalidMappingException: Could not parse mapping document from resource Aluno.hbm.xml

erro detalhado:

INFO Environment:514 - Hibernate 3.2.6

org.hibernate.InvalidMappingException: Could not parse mapping document from resource Aluno.hbm.xml

at org.hibernate.cfg.Configuration.addResource(Configuration.java:575)

at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1593)

at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1561)

at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1540)

at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1514)

at org.hibernate.cfg.Configuration.configure(Configuration.java:1434)

at org.hibernate.cfg.Configuration.configure(Configuration.java:1420)

at bean.TesteMain.(TesteMain.java:17)

Caused by: org.hibernate.MappingException: class Aluno not found while looking for property: id

at org.hibernate.util.ReflectHelper.reflectedPropertyClass(ReflectHelper.java:74)

at org.hibernate.mapping.SimpleValue.setTypeUsingReflection(SimpleValue.java:279)

at org.hibernate.cfg.HbmBinder.bindSimpleId(HbmBinder.java:401)

at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:334)

at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:273)

at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:144)

at org.hibernate.cfg.Configuration.add(Configuration.java:675)

at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:510)

at org.hibernate.cfg.Configuration.addResource(Configuration.java:572)

… 7 more

Caused by: java.lang.ClassNotFoundException: Aluno

at java.net.URLClassLoader$1.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClassInternal(Unknown Source)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Unknown Source)

at org.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:100)

at org.hibernate.util.ReflectHelper.reflectedPropertyClass(ReflectHelper.java:70)

… 15 more

java.lang.NullPointerException

at bean.TesteMain.getSession(TesteMain.java:28)

at bean.TesteMain.adiciona(TesteMain.java:34)

at bean.TesteMain.main(TesteMain.java:52)

22:12:51,187  INFO Environment:547 - hibernate.properties not found

22:12:51,187  INFO Environment:681 - Bytecode provider name : cglib

22:12:51,187  INFO Environment:598 - using JDK 1.4 java.sql.Timestamp handling

22:12:51,281  INFO Configuration:1432 - configuring from resource: /hibernate.cfg.xml

22:12:51,281  INFO Configuration:1409 - Configuration resource: /hibernate.cfg.xml

22:12:51,546 DEBUG DTDEntityResolver:38 - trying to resolve system-id [<a href="http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd</a>]

22:12:51,562 DEBUG DTDEntityResolver:40 - recognized hibernate namespace; attempting to resolve on classpath under org/hibernate/

22:12:51,562 DEBUG DTDEntityResolver:50 - located [<a href="http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd</a>] in classpath

22:12:51,609 DEBUG Configuration:1393 - hibernate.dialect=org.hibernate.dialect.MySQLDialect

22:12:51,609 DEBUG Configuration:1393 - hibernate.connection.driver_class=com.mysql.jdbc.Driver

22:12:51,609 DEBUG Configuration:1393 - hibernate.connection.url=jdbc:mysql://localhost:3306/testehibernate

22:12:51,609 DEBUG Configuration:1393 - hibernate.connection.username=root

22:12:51,609 DEBUG Configuration:1393 - hibernate.connection.password=

22:12:51,609 DEBUG Configuration:1393 - hibernate.c3p0.max_size=10

22:12:51,609 DEBUG Configuration:1393 - hibernate.c3p0.min_size=2

22:12:51,609 DEBUG Configuration:1393 - hibernate.c3p0.timeout=5000

22:12:51,609 DEBUG Configuration:1393 - hibernate.c3p0.max_statements=10

22:12:51,609 DEBUG Configuration:1393 - hibernate.c3p0.idle_test_period=3000

22:12:51,609 DEBUG Configuration:1393 - hibernate.c3p0.acquire_increment=2

22:12:51,609 DEBUG Configuration:1393 - show_sql=true

22:12:51,609 DEBUG Configuration:1393 - use_outer_join=true

22:12:51,609 DEBUG Configuration:1393 - hibernate.generate_statistics=true

22:12:51,609 DEBUG Configuration:1393 - hibernate.use_sql_comments=true

22:12:51,609 DEBUG Configuration:1592 - null<-org.dom4j.tree.DefaultAttribute@cdfc9c [Attribute: name resource value “Aluno.hbm.xml”]

22:12:51,609  INFO Configuration:559 - Reading mappings from resource : Aluno.hbm.xml

22:12:51,625 DEBUG DTDEntityResolver:38 - trying to resolve system-id [<a href="http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd</a>]

22:12:51,625 DEBUG DTDEntityResolver:40 - recognized hibernate namespace; attempting to resolve on classpath under org/hibernate/

22:12:51,625 DEBUG DTDEntityResolver:50 - located [<a href="http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd</a>] in classpath

22:12:51,734  INFO HbmBinder:300 - Mapping class: Aluno -> Aluno

classe basica

package bean;

public class Aluno {

private int id;
private String nome;
private String cpf;


public Aluno(){
	
}


public Aluno(String nome, String cpf) {
	super();
	this.nome = nome;
	this.cpf = cpf;
}


public int getId() {
	return id;
}
public void setId(int id) {
	this.id = id;
}
public String getNome() {
	return nome;
}
public void setNome(String nome) {
	this.nome = nome;
}
public String getCpf() {
	return cpf;
}
public void setCpf(String cpf) {
	this.cpf = cpf;
}

}

Aluno.hbm.xml

<?xml version="1.0" encoding="UTF-8"?> 
<class name="Aluno">

	<id name="id" column="idAluno" >
		<generator class="increment" />
	</id>

	<property name="nome" />
	<property name="cpf" />
</class>

hibernate.cfg.xml

<property name="hibernate.dialect">
		org.hibernate.dialect.MySQLDialect
	</property>
	<property name="hibernate.connection.driver_class">
		com.mysql.jdbc.Driver
	</property>
	<property name="hibernate.connection.url">
		jdbc:mysql://localhost:3306/testehibernate
	</property>
	<property name="hibernate.connection.username">root</property>
	<property name="hibernate.connection.password"></property>

	<!-- Condiguração do c3p0 -->

	<property name="hibernate.c3p0.max_size">10</property>
	<property name="hibernate.c3p0.min_size">2</property>
	<property name="hibernate.c3p0.timeout">5000</property>
	<property name="hibernate.c3p0.max_statements">10</property>
	<property name="hibernate.c3p0.idle_test_period">3000</property>
	<property name="hibernate.c3p0.acquire_increment">2</property>

	<!-- Configurações de debug -->

	<property name="show_sql">true</property>
	<property name="use_outer_join">true</property>
	<property name="hibernate.generate_statistics">true</property>
	<property name="hibernate.use_sql_comments">true</property>

	
	
	<mapping class="Aluno" resource="Aluno.hbm.xml"/>
	
	<!-- mapping resource= bean/Aluno.hbm.xml -->
	
	<!-- mapping class= Aluno file=bean/Aluno.hbm.xml-->
	
	<!--ja tentei os dois acima e nada-->
	
</session-factory>

log4j.properties

direct log messages to stdout

log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n

direct messages to file hibernate.log

log4j.appender.file=org.apache.log4j.FileAppender
log4j.appender.file.File=hibernate.log
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n

set log levels - for more verbose logging change ‘info’ to ‘debug’

log4j.rootLogger=warn, stdout, file

#log4j.logger.org.hibernate=info
log4j.logger.org.hibernate=debug

log just the SQL

#log4j.logger.org.hibernate.SQL=debug

log JDBC bind parameters

log4j.logger.org.hibernate.type=info
#log4j.logger.org.hibernate.type=debug

log schema export/update

log4j.logger.org.hibernate.tool.hbm2ddl=debug

log HQL parse trees

#log4j.logger.org.hibernate.hql=debug

log cache activity

#log4j.logger.org.hibernate.cache=debug

log JDBC resource acquisition

#log4j.logger.org.hibernate.jdbc=debug

enable the following line if you want to track down connection

leakages when using DriverManagerConnectionProvider

#log4j.logger.org.hibernate.connection.DriverManagerConnectionProvider=trace

classe main

package bean;

import javax.transaction.Transaction;

import org.hibernate.Session;

import org.hibernate.SessionFactory;

import org.hibernate.cfg.Configuration;

public class TesteMain {

private static SessionFactory factory;

static {
	// Bloco estático que inicializa o Hibernate
	try {

		factory = new Configuration().configure().buildSessionFactory();

	} catch (Exception e) {

		e.printStackTrace();
		factory = null;
	}
}

public static  Session getSession() {

	return factory.openSession();

}

public static void adiciona(Aluno aluno) throws Exception {

	Session session = ((SessionFactory) getSession()).getCurrentSession(); 
	Transaction transaction = (Transaction) session.beginTransaction();   
	session.save(aluno);
	session.flush();
	transaction.commit();
	session.close();

	//System.out.println("Nome:" + aluno.getNome());

}

public static void main(String[] args) {

	Aluno aluno = new Aluno();
	aluno.setNome("david");
	aluno.setCpf("123");

	try {
		adiciona(aluno);
	} catch (Exception e) {
		e.printStackTrace();
	}
}

}

D
David_Augusto

valeu Hewerton.consegui resolver o problema, era o que vc disse, não esta mais dando erro de compilacao, porém apos a execução a tabela da base de dados nao é populada, nao tenho nem ideia do que seja, se alguem puder me ajudar.

main
public class TesteMain {

private static SessionFactory factory;
 
    static {
    	//Bloco estático que inicializa o Hibernate
    	try {
    	
        factory = new Configuration().configure().buildSessionFactory();
    	
    	} catch (Exception e) {
    		
    		e.printStackTrace();
    		factory = null;
    	}
    }
    
    public static Session getSession() {
        //Retorna a sessão aberta
    	return factory.openSession();
        
    }
    public static void adiciona(Aluno al)  {   
        
    	try{
    	       Session session = getSession();   
	        session.save(al);   
	        session.flush();   
	        session.close();  

    	}catch(Exception e){
    		
    	System.out.println("erro em adiciona");
    		
    	}
    }   

    public static void main(String args[]){
    	
    	Aluno aluno = new Aluno();
    	
    	//aluno.setIdAluno(1);
    	aluno.setNome("david");
    	aluno.setCpf("123");
    	
    	try {
			adiciona(aluno);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			System.out.println("erro no void");
		}
    	
    }

}
console

11:25:09,984 DEBUG JDBCContext:219 - after transaction completion
11:25:09,984 DEBUG ConnectionManager:404 - aggressively releasing JDBC connection
11:25:09,984 DEBUG SessionImpl:422 - after transaction completion

Criado 28 de março de 2008
Ultima resposta 28 de mar. de 2008
Respostas 2
Participantes 2

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