Method handleError

subprojects/groovy-sql/src/main/java/groovy/sql/Sql.java:5000–5005

(Connection connection, Throwable t)

    }

    private static void handleError(Connection connection, Throwable t) throws SQLException {
        if (connection != null) {
            LOG.warning("Rolling back due to: " + t.getMessage());
            connection.rollback();
        }
    }

    private static void callClosurePossiblyWithConnection(Closure closure, Connection connection) {
        if (closure.getMaximumNumberOfParameters() == 1) {