[Resolvido]Envio Email + Anexo(null) JSF Java WEB PrimeFaces

[AndreiSmith]

Estou há algum tempo com um erro em um envio de email, onde tenho uma página xhtml que disponibiliza um p:fileUpload para carregar um pdf e anexá-lo como pdf. já revirei alguns tutoriais e com a ajuda e algumas pessoas cheguei até este código mas o mesmo seta como nulo. alguém que puder ajudar eu agradeço.

segue o código que está dado como nulo

/*
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 */
package com.ufpa.scontroleportaria.testeEmail;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.activation.DataSource;
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import org.apache.commons.mail.ByteArrayDataSource;
import org.apache.commons.mail.DefaultAuthenticator;
import org.apache.commons.mail.Email;
import org.apache.commons.mail.EmailAttachment;
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.MultiPartEmail;

/**
 *
 * @author andreismiths
 */
public class EmailUtils {

    private static final String username = "XXX@gmail.com";
    private static final String password = "XXX";
    private static final String emailOrigem = "XXX@gmail.com";

    public static Email conectaEmail() throws EmailException {
        MultiPartEmail email = new MultiPartEmail();
        email.setDebug(true);
        email.setHostName("smtp.gmail.com");
        email.setSmtpPort(587);
        email.setAuthenticator(new DefaultAuthenticator(username, password));
        email.setFrom(emailOrigem);
        email.getMailSession().getProperties().put("mail.smtp.auth", "true");
        email.getMailSession().getProperties().put("mail.debug", "true");
        email.getMailSession().getProperties().put("mail.smtp.port", "587");
        email.getMailSession().getProperties().put("mail.smtp.socketFactory.port", "587");
        email.getMailSession().getProperties().put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
        email.getMailSession().getProperties().put("mail.smtp.socketFactory.fallback", "false");
        email.getMailSession().getProperties().put("mail.smtp.starttls.enable", "true");
        return email;
    }

    public static void enviaEmail(Mensagem mensagem) throws EmailException {
        try {
            //adiciona as caracteristicas do email que são repassadas pelo usuário
            MultiPartEmail email = new MultiPartEmail();
            email = (MultiPartEmail) conectaEmail();
            email.setSubject(mensagem.getTitulo());
            email.setMsg(mensagem.getMensagem());
            email.addTo(mensagem.getDestino());

            //
            InputStream is = new BufferedInputStream(mensagem.getAnexo().getInputstream());

            DataSource source = new ByteArrayDataSource(is, mensagem.getAnexo().getContentType());
            email.attach(source, mensagem.getAnexo().getFileName(), "Description of some file");

            //envia o email
            String resposta = email.send();
            FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_INFO,
                    "E-mail enviado com sucesso para: " + mensagem.getDestino(), "Informação"));
        } catch (IOException ex) {
            Logger.getLogger(EmailUtils.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    public static String getUsername() {
        return username;
    }

    public static String getPassword() {
        return password;
    }

    public static String getEmailOrigem() {
        return emailOrigem;
    }

}

o null está apontando para esta linha do código
InputStream is = new BufferedInputStream(mensagem.getAnexo().getInputstream());

segue o erro do servidor

Advertência:   #{MBindexController.enviaEmail()}: java.lang.NullPointerException
javax.faces.FacesException: #{MBindexController.enviaEmail()}: java.lang.NullPointerException
	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:118)
	at javax.faces.component.UICommand.broadcast(UICommand.java:315)
	at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:790)
	at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1282)
	at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:658)
	at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:344)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
	at com.ufpa.scontroleportaria.DAO.AuthorizationFilter.doFilter(AuthorizationFilter.java:48)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:316)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
	at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:416)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:283)
	at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459)
	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167)
	at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:206)
	at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:180)
	at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235)
	at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:283)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:200)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:132)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:111)
	at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
	at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:536)
	at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:591)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:571)
	at java.lang.Thread.run(Thread.java:745)
Caused by: javax.faces.el.EvaluationException: java.lang.NullPointerException
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:101)
	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
	... 40 more
Caused by: java.lang.NullPointerException
	at com.ufpa.scontroleportaria.testeEmail.EmailUtils.enviaEmail(EmailUtils.java:60)
	at com.ufpa.scontroleportaria.testeEmail.IndexController.enviaEmail(IndexController.java:34)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at javax.el.ELUtil.invokeMethod(ELUtil.java:332)
	at javax.el.BeanELResolver.invoke(BeanELResolver.java:537)
	at javax.el.CompositeELResolver.invoke(CompositeELResolver.java:256)
	at com.sun.el.parser.AstValue.invoke(AstValue.java:283)
	at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:304)
	at org.jboss.weld.util.el.ForwardingMethodExpression.invoke(ForwardingMethodExpression.java:40)
	at org.jboss.weld.el.WeldMethodExpression.invoke(WeldMethodExpression.java:50)
	at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:87)
	... 41 more

Grave:   javax.faces.el.EvaluationException: java.lang.NullPointerException
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:101)
	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
	at javax.faces.component.UICommand.broadcast(UICommand.java:315)
	at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:790)
	at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1282)
	at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:658)
	at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:344)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
	at com.ufpa.scontroleportaria.DAO.AuthorizationFilter.doFilter(AuthorizationFilter.java:48)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:316)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
	at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:416)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:283)
	at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459)
	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167)
	at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:206)
	at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:180)
	at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235)
	at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:283)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:200)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:132)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:111)
	at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
	at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:536)
	at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:591)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:571)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
	at com.ufpa.scontroleportaria.testeEmail.EmailUtils.enviaEmail(EmailUtils.java:60)
	at com.ufpa.scontroleportaria.testeEmail.IndexController.enviaEmail(IndexController.java:34)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at javax.el.ELUtil.invokeMethod(ELUtil.java:332)
	at javax.el.BeanELResolver.invoke(BeanELResolver.java:537)
	at javax.el.CompositeELResolver.invoke(CompositeELResolver.java:256)
	at com.sun.el.parser.AstValue.invoke(AstValue.java:283)
	at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:304)
	at org.jboss.weld.util.el.ForwardingMethodExpression.invoke(ForwardingMethodExpression.java:40)
	at org.jboss.weld.el.WeldMethodExpression.invoke(WeldMethodExpression.java:50)
	at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:87)
	... 41 more

[AndreiSmith]

a solução encontra-se neste outro tópico

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