Comment résoudre l'erreur de la page d'accès au Docker

(django31) pyvip@VIP:~$ docker container start test
test
(django31) pyvip@VIP:~$ docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS                    NAMES
bf38f67f54fb        tomcat              "catalina.sh run"   15 minutes ago      Up 15 minutes       0.0.0.0:9999->8080/tcp   demo
e6401b123eb8        tomcat              "catalina.sh run"   20 minutes ago      Up 4 seconds        0.0.0.0:8080->8080/tcp   test

(django31) pyvip@VIP:~$ docker exec -it bf38 /bin/bash
root@bf38f67f54fb:/usr/local/tomcat# ls
BUILDING.txt LICENSE  README.md RUNNING.txt  conf     lib   native-jni-lib  webapps   work
CONTRIBUTING.md  NOTICE   RELEASE-NOTES  bin      include  logs  temp     webapps.dist

root@bf38f67f54fb:/usr/local/tomcat# cd webapps
root@bf38f67f54fb:/usr/local/tomcat/webapps# ls
root@bf38f67f54fb:/usr/local/tomcat/webapps# rm -r webapps
rm: cannot remove 'webapps': No such file or directory

root@bf38f67f54fb:/usr/local/tomcat# rm -r webapps
root@bf38f67f54fb:/usr/local/tomcat# ls
BUILDING.txt LICENSE  README.md RUNNING.txt  conf     lib   native-jni-lib  webapps.dist
CONTRIBUTING.md  NOTICE   RELEASE-NOTES  bin      include  logs  temp     work
root@bf38f67f54fb:/usr/local/tomcat# cp -r webapps.dist/ webapps
root@bf38f67f54fb:/usr/local/tomcat# ls
BUILDING.txt LICENSE  README.md RUNNING.txt  conf     lib   native-jni-lib  webapps   work
CONTRIBUTING.md  NOTICE   RELEASE-NOTES  bin      include  logs  temp     webapps.dist