EX-31 Rule
13a-14(d)/15d-14(d) Certifications.





I, Kunal K. Singh,
certify that:



1. I have reviewed
this report on Form 10-K and all reports on Form 10-D required to be filed in
respect of the period covered by this report on Form 10-K of the JPMCC
Commercial Mortgage Securities Trust 2017-JP7 (the "Exchange Act periodic
reports");



2. Based on my
knowledge, the Exchange Act periodic reports, taken as a whole, do not contain
any untrue statement of a material fact or omit to state a material fact
necessary to make the statements made, in light of the circumstances under
which such statements were made, not misleading with respect to the period
covered by this report;



3. Based on my knowledge,
all of the distribution, servicing and other information required to be
provided under Form 10-D for the period covered by this report is included in
the Exchange Act periodic reports;



4. Based on my
knowledge and the servicer compliance statements required in this report under
Item 1123 of Regulation AB, and except as disclosed in the Exchange Act
periodic reports, the servicers have fulfilled their obligations under the
servicing agreements in all material respects; and



5. All of the reports
on assessment of compliance with servicing criteria for asset-backed securities
and their related attestation reports on assessment of compliance with
servicing criteria for asset-backed securities required to be included in this
report in accordance with Item 1122 of Regulation AB and Exchange Act Rules
13a-18 and 15d-18 have been included as an exhibit to this report, except as
otherwise disclosed in this report. Any material instances of noncompliance
described in such reports have been disclosed in this report on Form 10-K.



In giving the
certifications above, I have reasonably relied on information provided to me by
the following unaffiliated parties:



Wells Fargo Bank,
National Association, as Master Servicer, CWCapital Asset Management LLC, as
Special Servicer, Wilmington Trust, National Association, as Trustee, Wells
Fargo Bank, National Association, as Certificate Administrator, Wells Fargo
Bank, National Association, as Custodian, Pentalpha Surveillance LLC, as
Operating Advisor, CoreLogic Commercial Real Estate Services, Inc., as
Servicing Function Participant, National Tax Search, LLC, as Servicing Function
Participant, Wells Fargo Bank, National Association, as Primary Servicer for
the 245 Park Avenue Mortgage Loan, AEGON USA Realty Advisors, LLC, as Special
Servicer for the 245 Park Avenue Mortgage Loan, Wilmington Trust, National
Association, as Trustee for the 245 Park Avenue Mortgage Loan, Wells Fargo
Bank, National Association, as Certificate Administrator for the 245 Park
Avenue Mortgage Loan, Wells Fargo Bank, National Association, as Custodian for
the 245 Park Avenue Mortgage Loan, Trimont Real Estate Advisors, LLC, as
Operating Advisor for the 245 Park Avenue Mortgage Loan, CoreLogic Commercial
Real Estate Services, Inc., as Servicing Function Participant for the 245 Park
Avenue Mortgage Loan, National Tax Search, LLC, as Servicing Function
Participant for the 245 Park Avenue Mortgage Loan, Midland Loan Services, a
Division of PNC Bank, National Association, as Primary Servicer for the Gateway
Net Lease Portfolio Mortgage Loan, Midland Loan Services, a Division of PNC
Bank, National Association, as Special Servicer for the Gateway Net Lease
Portfolio Mortgage Loan, Wells Fargo Bank, National Association, as Trustee and
Certificate Administrator for the Gateway Net Lease Portfolio Mortgage Loan,
Wells Fargo Bank, National Association, as Custodian for the Gateway Net Lease
Portfolio Mortgage Loan, Pentalpha Surveillance LLC, as Operating Advisor for
the Gateway Net Lease Portfolio Mortgage Loan, Midland Loan Services, a
Division of PNC Bank, National Association, as Primary Servicer for the
Starwood Capital Group Hotel Mortgage Loan, Midland Loan Services, a Division
of PNC Bank, National Association, as Special Servicer for the Starwood Capital
Group Hotel Mortgage Loan, Wells Fargo Bank, National Association, as Trustee
and Certificate Administrator for the Starwood Capital Group Hotel Mortgage
Loan, Wells Fargo Bank, National Association, as Custodian for the Starwood
Capital Group Hotel Mortgage Loan, Pentalpha Surveillance LLC, as Operating
Advisor for the Starwood Capital Group Hotel Mortgage Loan, Midland Loan
Services, a Division of PNC Bank, National Association, as Primary Servicer for
the 211 Main Street Mortgage Loan, Midland Loan Services, a Division of PNC
Bank, National Association, as Special Servicer for the 211 Main Street
Mortgage Loan, Wells Fargo Bank, National Association, as Trustee and
Certificate Administrator for the 211 Main Street Mortgage Loan, Wells Fargo
Bank, National Association, as Custodian for the 211 Main Street Mortgage Loan,
Pentalpha Surveillance LLC, as Operating Advisor for the 211 Main Street
Mortgage Loan, Wells Fargo Bank, National Association, as Primary Servicer for
the St. Luke's Office Mortgage Loan, Midland Loan Services, a Division of PNC
Bank, National Association, as Special Servicer for the St. Luke's Office
Mortgage Loan, Wilmington Trust, National Association, as Trustee for the St.
Luke's Office Mortgage Loan, Wells Fargo Bank, National Association, as
Certificate Administrator for the St. Luke's Office Mortgage Loan, Wells Fargo
Bank, National Association, as Custodian for the St. Luke's Office Mortgage
Loan, Park Bridge Lender Services LLC, as Operating Advisor for the St. Luke's
Office Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc., as
Servicing Function Participant for the St. Luke's Office Mortgage Loan,
National Tax Search, LLC, as Servicing Function Participant for the St. Luke's
Office Mortgage Loan, Wells Fargo Bank, National Association, as Primary
Servicer for the Columbus Office Portfolio I Mortgage Loan, Midland Loan
Services, a Division of PNC Bank, National Association, as Special Servicer for
the Columbus Office Portfolio I Mortgage Loan, Wilmington Trust, National Association,
as Trustee for the Columbus Office Portfolio I Mortgage Loan, Wells Fargo Bank,
National Association, as Certificate Administrator for the Columbus Office
Portfolio I Mortgage Loan, Wells Fargo Bank, National Association, as Custodian
for the Columbus Office Portfolio I Mortgage Loan, Park Bridge Lender Services
LLC, as Operating Advisor for the Columbus Office Portfolio I Mortgage Loan,
CoreLogic Commercial Real Estate Services, Inc., as Servicing Function
Participant for the Columbus Office Portfolio I Mortgage Loan, National Tax
Search, LLC, as Servicing Function Participant for the Columbus Office
Portfolio I Mortgage Loan, Wells Fargo Bank, National Association, as Primary
Servicer for the Alexandria Corporate Park Mortgage Loan, Midland Loan
Services, a Division of PNC Bank, National Association, as Special Servicer for
the Alexandria Corporate Park Mortgage Loan, Wilmington Trust, National
Association, as Trustee for the Alexandria Corporate Park Mortgage Loan, Wells
Fargo Bank, National Association, as Certificate Administrator for the
Alexandria Corporate Park Mortgage Loan, Wells Fargo Bank, National
Association, as Custodian for the Alexandria Corporate Park Mortgage Loan, Park
Bridge Lender Services LLC, as Operating Advisor for the Alexandria Corporate
Park Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc., as
Servicing Function Participant for the Alexandria Corporate Park Mortgage Loan,
National Tax Search, LLC, as Servicing Function Participant for the Alexandria
Corporate Park Mortgage Loan, Wells Fargo Bank, National Association, as
Primary Servicer for the West Town Mall Mortgage Loan, Wells Fargo Bank,
National Association, as Special Servicer for the West Town Mall Mortgage Loan,
Wilmington Trust, National Association, as Trustee for the West Town Mall
Mortgage Loan, Wells Fargo Bank, National Association, as Certificate
Administrator for the West Town Mall Mortgage Loan, Wells Fargo Bank, National
Association, as Custodian for the West Town Mall Mortgage Loan, CoreLogic
Commercial Real Estate Services, Inc., as Servicing Function Participant for
the West Town Mall Mortgage Loan, National Tax Search, LLC, as Servicing
Function Participant for the West Town Mall Mortgage Loan, KeyBank National
Association, as Primary Servicer for the Apex Fort Washington Mortgage Loan,
Rialto Capital Advisors, LLC, as Special Servicer for the Apex Fort Washington
Mortgage Loan, Wells Fargo Bank, National Association, as Trustee and
Certificate Administrator for the Apex Fort Washington Mortgage Loan, Wells
Fargo Bank, National Association, as Custodian for the Apex Fort Washington
Mortgage Loan, Pentalpha Surveillance LLC, as Operating Advisor for the Apex
Fort Washington Mortgage Loan, KeyBank National Association, as Primary
Servicer for the Carolina Hotel Portfolio Mortgage Loan, Rialto Capital
Advisors, LLC, as Special Servicer for the Carolina Hotel Portfolio Mortgage
Loan, Wells Fargo Bank, National Association, as Trustee and Certificate
Administrator for the Carolina Hotel Portfolio Mortgage Loan, Wells Fargo Bank,
National Association, as Custodian for the Carolina Hotel Portfolio Mortgage
Loan, and Pentalpha Surveillance LLC, as Operating Advisor for the Carolina
Hotel Portfolio Mortgage Loan.







Dated: March 21, 2019





/s/ Kunal K. Singh





President and Chief
Executive Officer

(senior
officer in charge of securitization of the depositor)