The notice of hearing was needs to be served by someone other than Petitioner. (Code of Civil Procedure § 1013a(1).)
The publication does not mention that the petition requests the probate of the decedent's will and does not include the notice to creditors that a claim alternatively must be filed within 60 days from the date of the delivery of the notice. (Prob. C. § 8100.)
Continue for these defects to be cured.