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Thread: JDBC CONNECTION ERROR in eclipse

  1. #1
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    Default JDBC CONNECTION ERROR in eclipse

    I can't get my post to be excepted.


  2. #2
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    Default JDBC CONNECTION ERROR in eclipse

    I am a Java beginner.

    I am trying to connect to our oracle database through Eclipse. I have the following package.

    We are at Oracle 11g Java 1.7 I have the ojdbc7.jar driver downloaded and placed in the classpath.

    Yet I keep getting the error below:

    No sure if this is an Eclipse problem, my code, or both.

     //connection code
    package testConnect;
    import java.sql.*;
    import oracle.jdbc.OracleDriver;
     
    public class JdbcThinTnsNamesTest {
        public JdbcThinTnsNamesTest() {
            System.setProperty("oracle.net.tns_admin",
                    "$TNS_ADMIN");
        }
     
        public static Connection getConnection() throws SQLException {
            String username = "user";
            String password = "password";
            String thinConn = "jdbc:oracle:thin:@//NCPP";
            DriverManager.registerDriver(new OracleDriver());
            Connection conn = DriverManager.getConnection(thinConn, username,
                    password);
            conn.setAutoCommit(false);
            return conn;
        }
        //
        public void run() throws SQLException {
            Connection conn = getConnection();
            System.out.println("Auto Commit = " + conn.getAutoCommit());
            conn.close();
        }
     
        public static void main(String[] args) {
            JdbcThinTnsNamesTest test = new JdbcThinTnsNamesTest();
            try {
                test.run();
                System.out.println("all done..");
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
     
    }
     
    package oracle.jdbc;
     
    import java.sql.Connection;
    import java.sql.Driver;
    import java.sql.DriverPropertyInfo;
    import java.sql.SQLException;
    import java.sql.SQLFeatureNotSupportedException;
    import java.util.Properties;
    import java.util.logging.Logger;
     
    public class OracleDriver implements Driver {
     
    	@Override
    	public Connection connect(String url, Properties info) throws SQLException {
    		// TODO Auto-generated method stub
    		return null;
    	}
     
    	@Override
    	public boolean acceptsURL(String url) throws SQLException {
    		// TODO Auto-generated method stub
    		return false;
    	}
     
    	@Override
    	public DriverPropertyInfo[] getPropertyInfo(String url, Properties info)
    			throws SQLException {
    		// TODO Auto-generated method stub
    		return null;
    	}
     
    	@Override
    	public int getMajorVersion() {
    		// TODO Auto-generated method stub
    		return 0;
    	}
     
    	@Override
    	public int getMinorVersion() {
    		// TODO Auto-generated method stub
    		return 0;
    	}
     
    	@Override
    	public boolean jdbcCompliant() {
    		// TODO Auto-generated method stub
    		return false;
    	}
     
    	@Override
    	public Logger getParentLogger() throws SQLFeatureNotSupportedException {
    		// TODO Auto-generated method stub
    		return null;
    	}
     
    }

    java.sql.SQLException: No suitable driver found for jdbcracle:thin:@//NCPP
    at java.sql.DriverManager.getConnection(DriverManager .java:596)
    at java.sql.DriverManager.getConnection(DriverManager .java:215)
    at testConnect.JdbcThinTnsNamesTest.getConnection(Jdb cThinTnsNamesTest.java:17)
    at testConnect.JdbcThinTnsNamesTest.run(JdbcThinTnsNa mesTest.java:24)
    at testConnect.JdbcThinTnsNamesTest.main(JdbcThinTnsN amesTest.java:32)

  3. #3
    Member Ada Lovelace's Avatar
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    Default Re: JDBC CONNECTION ERROR in eclipse

    import oracle.jdbc.OracleDriver;
    Looks like it's referring to this line. Have you checked if the library is within
    the Eclipse build project files? If the driver is missing perhaps it's a botch install?
    Try downloading the library again and linking it with your project.

    Wishes Ada xx
    If to Err is human - then programmers are most human of us all.
    "The Analytical Engine offers a new, a vast, and a powerful language . . .
    for the purposes of mankind
    ."
    Augusta Ada Byron, Lady Lovelace (1851)

  4. #4
    Administrator copeg's Avatar
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    Default Re: JDBC CONNECTION ERROR in eclipse

    Try to explicitly load the database driver prior to trying to make the connection
    Class.forName("oracle.jdbc.driver.OracleDriver");

  5. #5
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    Default Re: JDBC CONNECTION ERROR in eclipse

    Thanks Ada,

    Followed your suggestion. Ran program again and get the following errror.

    Error: Could not find or load main class oracle.sql.CharacterSetFactory

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