I created a new controller with a new route. I dump generate my new fos_js-routes.json with this command : php bin/console fos:js-routing:dump My new json was
pingfederate
clearos
react-navigation
mikrotik
go-gorm
dapper
azure-secrets
keypress
cross-product
claims
adyen
lightblue
von-neumann
exp
airtable
universal-ctags
publisher
baqend
starmap
precompile-assets
beam-search
highchartstock
ie-mobile
symfony-2.3
closedxml
spring-boot-starter-security
shrink
ghost
paint.net
epson