Program: 81115
Project: 81115
Buggy source:
/** 
 * Sends an email to the provided number(s) using the supplied login information. This should only be called once  {@link #setUsername(java.lang.String)},   {@link #setPassword(java.lang.String)}, and (  {@link #setCellNum(java.lang.String,java.lang.String)} or{@link #setCellList(java.lang.String)}) have been called.
 * @param subject
 * @param msg
 * @return
 */
public static boolean sendMessage(String subject,String msg){
  if (!shouldSendEmail()) {
    return false;
  }
  createSession();
  try {
    MimeMessage message=new MimeMessage(l_session);
    message.setFrom(new InternetAddress(getUsername()));
    ListIterator<EmailAddress> lI=getAddressList().listIterator();
    while (lI.hasNext()) {
      message.addRecipient(Message.RecipientType.BCC,new InternetAddress(lI.next().getCompleteAddress()));
    }
    message.setSubject(subject);
    message.setText(msg);
    Transport transport=l_session.getTransport("String_Node_Str");
    transport.connect(host,getUsername(),password);
    transport.sendMessage(message,message.getAllRecipients());
    transport.close();
    System.out.println("String_Node_Str");
  }
 catch (  MessagingException mex) {
    mex.printStackTrace();
    ErrorHandler.showErrorWindow("String_Node_Str","String_Node_Str",mex);
    return false;
  }
catch (  Exception e) {
    ErrorHandler.showErrorWindow("String_Node_Str","String_Node_Str",e);
    e.printStackTrace();
    return false;
  }
  return true;
}

Fixed version (ground truth):
/** 
 * Sends an email to the provided number(s) using the supplied login information. This should only be called once  {@link #setUsername(java.lang.String)},   {@link #setPassword(java.lang.String)}, and (  {@link #setCellNum(java.lang.String,java.lang.String)} or{@link #setCellList(java.lang.String)}) have been called.
 * @param subject
 * @param msg
 * @return
 */
public static boolean sendMessage(String subject,String msg){
  if (!shouldSendEmail()) {
    return false;
  }
  createSession();
  try {
    MimeMessage message=new MimeMessage(l_session);
    message.setFrom(new InternetAddress(getUsername()));
    if (getAddressList().size() == 1) {
      message.addRecipient(Message.RecipientType.TO,new InternetAddress(getAddressList().get(0).getCompleteAddress()));
    }
 else {
      ListIterator<EmailAddress> lI=getAddressList().listIterator();
      while (lI.hasNext()) {
        EmailAddress address=lI.next();
        System.out.println("String_Node_Str" + address.getCompleteAddress());
        message.addRecipient(Message.RecipientType.BCC,new InternetAddress(address.getCompleteAddress()));
      }
    }
    message.setSubject(subject);
    message.setText(msg);
    Transport transport=l_session.getTransport("String_Node_Str");
    transport.connect(host,getUsername(),password);
    transport.sendMessage(message,message.getAllRecipients());
    transport.close();
    System.out.println("String_Node_Str");
  }
 catch (  MessagingException mex) {
    mex.printStackTrace();
    ErrorHandler.showErrorWindow("String_Node_Str","String_Node_Str",mex);
    return false;
  }
catch (  Exception e) {
    ErrorHandler.showErrorWindow("String_Node_Str","String_Node_Str",e);
    e.printStackTrace();
    return false;
  }
  return true;
}