Worked on exception reporting.

__mysql.cpp

@@ -21,7 +21,10 @@ namespace jet {
       
       mysql = mysql_init(NULL);
       mysql = mysql_real_connect(mysql, variables["host"].c_str(), variables["user"].c_str(), variables["password"].c_str(), variables["database"].c_str(), 0, NULL, 0);            
-
+      
+      if(!mysql)
+	throw coreutils::Exception("database and host parameters are not valid.");
+      
       std::cout << "mysql: " << mysql << std::endl;
 
       processContainer(container);