Michael Weller wrote:

> This won't work for sure: java.sql.Connection is an interface, so a class
> can't extend it :)
> > For connection serialization try somwthing like this:
> >
> > public class SerConnection extends Connection implements Serializable {
> > }

You are right! :)

But in principle this problem can be avoided by "perverted" trick:

public class SerConnection extends  implements Connection, Serializable {

    protected Connection con = null;

    // override each methods in Connection like this:
    public Statement createStatement(int resultSetType,  int
resultSetConcurrency)  throws SQLException {
        return con.createStatement(resultSetType,resultSetConcurency);
    }

    // and so on
    // .........................

}

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