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
django-cms
putty
getresponse
byteman
uwamp
curvycorners
activity-indicator
heap-profiling
swift5.1
finite-element-analysis
avro-tools
selenium-grid
ftplib
perspectivecamera
occlusion-culling
dtd-parsing
markov-decision-process
plugin-hooks
modem
identityserver3
jbossfuse
collision-detection
react-props
airflow-webserver
url-pattern
streaming-flv-video
unauthorizedaccessexcepti
rfc1034identifier
n-quads
pose