Erro ao tentar enviar e-mail

public static void EnviaEmail(String Prioridade, String para, String From, String topico, String Corpo)
throws AddressException, MessagingException 
{
 
  // Nome ou endereço do servidor de SMTP
  String smtpServer  = "lala.lalala.com.br";
  String email, matr = "";
  String toMail      = "";
  String toMailCC    = "";
 
  try {
     
      // Configura a sessão
      //Properties mailProps = System.getProperties();
      Properties mailProps = new Properties();

      
      mailProps.put("mail.smtp.host",smtpServer);
      
      Session mailSession = Session.getDefaultInstance(mailProps, null);
      mailSession.setDebug(false);
      
      System.out.println("Imprime só até essa mensagem. Daqui em diante não faz mais nada");

      // Configuração da mensagem
      Message message = new MimeMessage(mailSession);
      
      message.setFrom(new InternetAddress(From));
   
      // Obtem enderecos de email      
     email = obtemEmail(para);
     message.setRecipient(Message.RecipientType.TO, new InternetAddress(email, false));
	
      
      // Configuraçao do cabecalho do <B style="color:black;background-color:#99ff99">email</B>
      message.setSubject(topico);
      
      message.setSentDate(new Date());
      
      message.setHeader("X-MSMail-Priority","High");
    
      message.setHeader("X-Priority",Prioridade);
      
      message.setHeader("Sensitivity","Company-Confidential");
      
      message.setContent(Corpo,"text/html; charset=\"ISO-8859-1\"");
     
 
      // Envia a mensagem
      Transport.send(message);
      System.out.println("Seu email foi enviado com sucesso.");
      
  } catch (Exception e){ 
     System.out.print("Erro foi esse: <HR><B>"+ e.toString()+"</B><HR>" + e.getMessage());
  }

}

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: javax/mail/internet/SharedInputStream

at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:248)

at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:289)

at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)

at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)

at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)

at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)

at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)

at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)

at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)

at java.lang.Thread.run(Thread.java:536)

root cause

javax.servlet.ServletException: javax/mail/internet/SharedInputStream

at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:497)

at org.apache.jsp.MENUCO_jsp._jspService(MENUCO_jsp.java:83)

at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:136)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:204)

at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:289)

at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)

at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)

at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)

at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)

at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)

at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)

at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)

at java.lang.Thread.run(Thread.java:536)