[![rule for tcp port 1521](https://i.stack.imgur.com/IKkHQ.png)](https://i.stack.imgur.com/IKkHQ.png)I am trying to make a sample JDBC program i which i have to create table but i am facing this issue i tried many solution present on web all i have to come to know that service is missing but did not find exact solution i am beginner in JDBC any help will be appreciated.

My JDBC program:-

```
import java.sql.*;

public class JdbcExample {

/**
 * @param args
 * @throws ClassNotFoundException 
 * @throws SQLException 
 */
public static void main(String[] args) throws ClassNotFoundException, SQLException {
    // TODO Auto-generated method stub
    String userName="system",password="admin",url="jdbc:oracle:thin:localhost:1521:xe";
    Class.forName("oracle.jdbc.driver.OracleDriver");
    Connection con =  DriverManager.getConnection(url, userName, password);
    System.out.println(con);
    Statement stmt = con.createStatement();
    System.out.println(stmt);
    int b = stmt.executeUpdate("create table emp(eno number(5),name varchar2(20));");
    System.out.println("Table Created" + b);
    //      if(b)
    //      {
    //          
    //      }
    //      else
    //          System.out.print("WTF");

}

```

My LogCat:-

```
java.sql.SQLException: Io exception: Connection refused(DESCRIPTION=(TMP=)(VSNNUM=186646784)(ERR=12505)(ERROR_STACK=(ERROR=(CODE=12505)(EMFI=4))))
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:333)
at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:404)
at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:468)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:314)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at JdbcExample.main(JdbcExample.java:19)

```

My listener.ora

```
SID_LIST_LISTENER = (SID_LIST =
(SID_DESC =
  (SID_NAME = PLSExtProc)
  (ORACLE_HOME = J:\app\oracle\product\11.2.0\server)
  (PROGRAM = extproc)
)
(SID_DESC =
  (SID_NAME = CLRExtProc)
  (ORACLE_HOME = J:\app\oracle\product\11.2.0\server)
  (PROGRAM = extproc)
))LISTENER =(DESCRIPTION_LIST =
(DESCRIPTION =
  (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
  (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
))DEFAULT_SERVICE_LISTENER = (XE)

```

Thanks In advance.
**NOTE : I have included ojdbc14\_g.jar file in my buildconfig.**