> db.repro.ensureIndex({startLocation: "2d" }) { "createdCollectionAutomatically" : true , "numIndexesBefore" : 1, "numIndexesAfter" : 2, "ok" : 1 } > db.repro.ensureIndex({endLocation: "2d" }) { "createdCollectionAutomatically" : false , "numIndexesBefore" : 2, "numIndexesAfter" : 3, "ok" : 1 } > db.repro.find({ "endLocation" : { "$nearSphere" : [55.60254669189453, 55.00625801086426], "$maxDistance" : 0.0003385605252703308}, "startLocation" : { "$nearSphere" : [55.51988220214844, 55.02147674560547], "$maxDistance" : 0.0003385605252703308}}) error: { "$err" : "Can't canonicalize query: BadValue Too many geoNear expressions" , "code" : 17287 }