Странности с неразрешёнными файлами include (Kubuntu, NetBeans)

/* Standard C++ includes */
#include <stdlib.h>
#include <iostream>
 
/*
  Include directly the different
  headers from cppconn/ and mysql_driver.h + mysql_util.h
  (and mysql_connection.h). This will reduce your build time!
*/
#include <mysql/mysql_connection.h>
 
#include <mysql/cppconn/driver.h>
#include <mysql/cppconn/exception.h>
#include <mysql/cppconn/resultset.h>
#include <mysql/cppconn/statement.h>
 
using namespace std;
 
int main(void)
{
cout << endl;
cout << "Running 'SELECT 'Hello World!' » AS _message'..." << endl;
 
try {
  sql::Driver *driver;
  sql::Connection *con;
  sql::Statement *stmt;
  sql::ResultSet *res;
 
  /* Создание соединения */
  driver = get_driver_instance();
  con = driver->connect("tcp://ip_адрес:3306", "некий_пользователь", "какойто_там_пароль");
  /* Подключение к базе данных mysql */
  con->setSchema("scada");
 
  stmt = con->createStatement();
  res = stmt->executeQuery("SELECT * FROM dict_rule");
  while (res->next()) 
  {
    cout << "\t... id_rule: " << res->getInt("id_rule") << endl;
  }
  delete res;
  delete stmt;
  delete con;
 
} catch (sql::SQLException &e) {
  cout << "# ERR: SQLException in " << __FILE__;
  //cout << "(" << __FUNCTION__ << ") on line " »  << __LINE__ << endl;
  cout << "# ERR: " << e.what();
  cout << " (MySQL error code: " << e.getErrorCode();
  cout << ", SQLState: " << e.getSQLState() << " )" << endl;
}
 
cout << endl;
 
return EXIT_SUCCESS;
}

/* 
 * File:   query_class.h
 * Author: fedoseev
 *
 * Created on 22 Ноябрь 2014 г., 18:11
 */
 
#ifndef QUERY_CLASS_H
#define QUERY_CLASS_H
 
#include <stdlib.h>
#include <iostream>
#include <stdio.h>
 
/*
  Include directly the different
  headers from cppconn/ and mysql_driver.h + mysql_util.h
  (and mysql_connection.h). This will reduce your build time!
*/
#include <mysql/mysql_connection.h>
 
#include <mysql/cppconn/driver.h>
#include <mysql/cppconn/exception.h>
#include <mysql/cppconn/resultset.h>
#include <mysql/cppconn/statement.h>
 
class query_class {
public:
    query_class();
 
private:
 
};
 
#endif  /* QUERY_CLASS_H */

/* 
 * File:   query_class.cpp
 * Author: fedoseev
 * 
 * Created on 22 Ноябрь 2014 г., 18:11
 */
 
#include "query_class.h"
 
using namespace std;
 
query_class::query_class() 
{
 
 
try {
  sql::Driver *driver;
  sql::Connection *con;
  sql::Statement *stmt;
  sql::ResultSet *res;
 
  /* Создание соединения */
  driver = get_driver_instance();
  con = driver->connect("tcp://ip_адрес:3306", "какойто_там_пользователь", "какойто_там_пароль");
  /* Подключение к базе данных mysql */
  con->setSchema("scada");
 
  stmt = con->createStatement();
  res = stmt->executeQuery("SELECT * FROM dict_rule");
  while (res->next()) 
  {
    cout << "\t... id_rule: " << res->getInt("id_rule") << endl;
  }
  delete res;
  delete stmt;
  delete con;
 
} catch (sql::SQLException &e) {
  cout << "# ERR: SQLException in " << __FILE__;
  //cout << "(" << __FUNCTION__ << ") on line " »  << __LINE__ << endl;
  cout << "# ERR: " << e.what();
  cout << " (MySQL error code: " << e.getErrorCode();
  cout << ", SQLState: " << e.getSQLState() << " )" << endl;
}
 
cout << endl;
 
return EXIT_SUCCESS;
}