public class MyJdbcDriver extends OdaJdbcDriver {
	
  private final String contextKey = "lisa.myJDBC";
  private Logger log = Logger.getLogger(this.getClass().getName());

  public IConnection getConnection(String connectionClassName)
  throws OdaException {
    return new MyJdbcConnection();
  }
	
  private HashMap<String, Connection>getConnContext() {
    return ConnectionMap.theMap;
  }

  private class MyJdbcConnection 
  extends org.eclipse.birt.report.data.oda.jdbc.Connection {
    private String name = null;

    public void open(Properties connProperties) throws OdaException {
      name = connProperties.getProperty("OdaPropertyConfigId");
      super.open(connProperties);
      getConnContext().put(name, super.jdbcConn);
    }

    public void close() throws OdaException {
      super.close();
      getConnContext().remove(name);
    }

  }
}

public class ConnectionMap extends HashMap<String, Connection> {
  public static ConnectionMap theMap = new ConnectionMap();
}

		log.info("getConnectionMap aufgerufen mit Kontext " + System.identityHashCode(ctx));
		final String connMapKey = "myjdbcConnectionMap";
		ConnectionMap connMap = (ConnectionMap) ctx.get(connMapKey);

WARNUNG: A BIRT exception occurred: Error evaluating Javascript expression. Script engine error: Wrapped java.lang.ClassCastException: org.eclipse.birt.report.data.testjdbc.ConnectionMap cannot be cast to org.eclipse.birt.report.data.testjdbc.ConnectionMap (#15)

var sql = new org.eclipse.birt.report.data.testjdbc.Sql(reportContext.getAppContext(), "org.eclipse.birt.report.data.oda.jdbc_lisa");
log.info("Versuche SQL auszuführen!");
var d = sql.executeQuery("select SYSDATE from DUAL");
log.info("d=" + d);