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
dynamic-arrays
whm
flags
esxi
javascript-automation
anchor-cms
filesize
lcov
symbolicate
kotlin-extension
parallel-ssh
animationcontroller
skbio
android-gpuimageview
autodiscovery
sangria
upx
archilogic
efficientnet
gulp-imagemin
pyquery
oracle.manageddataaccess
application-resource
vertx-eventbus
upsquared
argument-matcher
businessworks
next-api
standardized
tdom