There being no acknowledgment of service, as required by Code 6-911, or waiver, of the bill of exceptions after certification by the trial judge, this court has no jurisdiction, and the writ of error must be dismissed. McGreggor v. W. L. Florence Construction Co., 208 Ga. 176 (65 S. E. 2d, 809); Parker v. Parker, 208 Ga. 190 (65 S. E. 2d, 794); Newton v. Bailey, 208 Ga. 415 (67 S. E. 2d, 239); Branham v. Branham, 209 Ga. 373 (72 S. E. 2d, 713); Boyd v. Boyd, 209 Ga. 455 (74 S. E. 2d, 6).