Cant instantiate class: br.empresa.control.curso.AlunoMB.

Apr 22, 2016 2:40:45 AM com.sun.faces.context.ExceptionHandlerImpl log
1100: JSF1073: com.sun.faces.mgbean.ManagedBeanCreationException caught during processing of RENDER_RESPONSE 6 : UIComponent-ClientId=, Message=Cant instantiate class: br.empresa.control.curso.AlunoMB.
Apr 22, 2016 2:40:45 AM com.sun.faces.context.ExceptionHandlerImpl log
1100: Cant instantiate class: br.empresa.control.curso.AlunoMB.
com.sun.faces.mgbean.ManagedBeanCreationException: Cant instantiate class: br.empresa.control.curso.AlunoMB.
	at com.sun.faces.mgbean.BeanBuilder.newBeanInstance(BeanBuilder.java:191)
	at com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:100)
	at com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:409)
	at com.sun.faces.mgbean.BeanManager.create(BeanManager.java:269)
	at com.sun.faces.el.ManagedBeanELResolver.resolveBean(ManagedBeanELResolver.java:257)
	at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:117)
	at com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176)
	at com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203)
	at org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:94)
	at org.apache.el.parser.AstValue.getValue(AstValue.java:137)
	at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:184)
	at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109)
	at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194)
	at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:182)
	at javax.faces.component.UIData.getValue(UIData.java:732)
	at org.primefaces.component.api.UIData.getDataModel(UIData.java:758)
	at javax.faces.component.UIData.getRowCount(UIData.java:356)
	at org.primefaces.component.carousel.CarouselRenderer.encodeHeader(CarouselRenderer.java:144)
	at org.primefaces.component.carousel.CarouselRenderer.encodeMarkup(CarouselRenderer.java:83)
	at org.primefaces.component.carousel.CarouselRenderer.encodeEnd(CarouselRenderer.java:46)
	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:919)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1863)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859)
	at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:456)
	at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:133)
	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:647)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:522)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1095)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1502)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1458)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)
Caused by: javax.persistence.PersistenceException: Unable to build entity manager factory
	at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:83)
	at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:54)
	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:55)
	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:39)
	at br.empresa.control.curso.AlunoDAOImpl.<init>(AlunoDAOImpl.java:16)
	at br.empresa.control.curso.AlunoMB.<init>(AlunoMB.java:20)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at java.lang.Class.newInstance(Class.java:442)
	at com.sun.faces.mgbean.BeanBuilder.newBeanInstance(BeanBuilder.java:186)
	... 50 more
Caused by: org.hibernate.exception.JDBCConnectionException: Error calling Driver#connect
	at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:132)
	at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator$1$1.convert(BasicConnectionCreator.java:118)
	at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.convertSqlException(BasicConnectionCreator.java:140)
	at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator.makeConnection(DriverConnectionCreator.java:58)
	at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.createConnection(BasicConnectionCreator.java:75)
	at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure(DriverManagerConnectionProviderImpl.java:106)
	at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:111)
	at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:234)
	at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:206)
	at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.buildJdbcConnectionAccess(JdbcServicesImpl.java:260)
	at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:94)
	at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:111)
	at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:234)
	at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:206)
	at org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:1887)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1845)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:852)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:845)
	at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.withTccl(ClassLoaderServiceImpl.java:398)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:844)
	at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:75)
	... 61 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1116)
	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:344)
	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2332)
	at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2369)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2153)
	at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:792)
	at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:381)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
	at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator.makeConnection(DriverConnectionCreator.java:55)
	... 78 more
Caused by: java.net.UnknownHostException: svn
	at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
	at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928)
	at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323)
	at java.net.InetAddress.getAllByName0(InetAddress.java:1276)
	at java.net.InetAddress.getAllByName(InetAddress.java:1192)
	at java.net.InetAddress.getAllByName(InetAddress.java:1126)
	at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:247)
	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:294)
	... 91 more

package br.empresa.control.curso;

import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;

@ManagedBean
@SessionScoped
public class AlunoMB {
	
	private Aluno alunoAtual;
	private List<Aluno> alunos;
	private List<String> imagens = new ArrayList<String>();
	
	public AlunoMB(){
		alunoAtual = new Aluno();
		AlunoDAO alunoDAO = new AlunoDAOImpl();
		try {
			alunos = alunoDAO.pesquisarPorTodos();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		if ( alunos == null ) { 
			alunos = new ArrayList<Aluno>();
		}
		
	}
	
	public String adicionar(){
//		System.out.println("Nome: " + alunoAtual.getNome() + " - RA: " + alunoAtual.getRA());
		AlunoDAO alunoDAO = new AlunoDAOImpl();
		try {
			alunoDAO.adicionar( alunoAtual );
			alunos = alunoDAO.pesquisarPorTodos();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		alunoAtual = new Aluno();
		return "";
	}
	
	public String editar(Aluno a) {
		alunoAtual = a;
		return "";
	}
	
	public String remover(Aluno a) { 
		AlunoDAO alunoDAO = new AlunoDAOImpl();
		try {
			alunoDAO.remover( a );
			alunos = alunoDAO.pesquisarPorTodos();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return "";
	}

	public Aluno getAlunoAtual() {
		return alunoAtual;
	}

	public void setAlunoAtual(Aluno alunoAtual) {
		this.alunoAtual = alunoAtual;
	}

	public List<Aluno> getAlunos() {
		return alunos;
	}

	public void setAlunos(List<Aluno> alunos) {
		this.alunos = alunos;
	}

	public List<String> getImagens() {
		return imagens;
	}

	public void setImagens(List<String> imagens) {
		this.imagens = imagens;
	}
	
}