NEW YORK--(BUSINESS WIRE)--Fitch Ratings affirms eight classes of JPMorgan Commercial Mortgage-Backed Securities Trust 2009-RR1 (JPMorgan 2009-RR1). A detailed list of rating actions follows at the end of this press release. KEY RATING DRIVERS The affirmations are the result of the mostly stable ratings of the underlying bonds. All but two of the underlying bonds have credit characteristics consistent with 'AAA'. Class A-4 in GSMS 2007-GG10 is rated 'Asf', Outlook Negative, and class A-4 in JPM