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
quick-union
opendocument
clistbox
actioncontext
source-code-protection
orphan-process
index-management
movewindow
routeparams
watchman
nothing
static-initialization
adaptive-threshold
bteq
roslynator
isession
combobox
wpd
formsy-material-ui
outlook-filter
kevent
gridpanel
hashids
ssms-18
android-contact-mimetype
yui3
jcreator
x25519
continuous-integration
git-merge-conflict