Description:
A Statement created from a Connection created from a PooledConnection returns a different
connection than the connection used to create it.
More precisely it returns the PooledConnection, instead of the Connection created from the
PooledConnection.

The problem in this case is that using statment.getConnection().close() closes the
physical connection instead of sending the ConnectionEvent to the pool manager

How to repeat:
import java.sql.*;
import javax.sql.*;

public final class Test {
    public static final void main(String[] args)
        throws Exception {

        final boolean[] lock = new boolean[1];
        com.mysql.jdbc.jdbc2.optional.MysqlConnectionPoolDataSource dataSource
= new com.mysql.jdbc.jdbc2.optional.MysqlConnectionPoolDataSource();
        dataSource.setServerName("xxxxxx");
        dataSource.setDatabaseName("test");
        dataSource.setUser("root");
        dataSource.setPassword("xxxxx");
        PooledConnection pooledConnection = dataSource.getPooledConnection();
        pooledConnection.addConnectionEventListener(new
ConnectionEventListener() {
            public void connectionClosed(ConnectionEvent event) {
                synchronized (lock) {
                    lock[0] = true;
                    lock.notify();
                    }
                }
            public void connectionErrorOccurred(ConnectionEvent event) {
                }
            });
        Connection connection = pooledConnection.getConnection();
        Statement statement = connection.createStatement();
        synchronized (lock) {
            statement.getConnection().close();
            lock.wait(1000);
            assert lock[0] : "Event connectionClosed not received in 1000
millisconds";
            }
        }
    };

Thank you for your bug report. This issue has been committed to our
source repository of that product and will be incorporated into the
next release.

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