Client Command :
$ docker pull pulpdemobox
Using default tag: latest
Trying to pull repository dev-32-38.lon1.centos.org:5000/pulpdemobox ... failed
Trying to pull repository docker.io/library/pulpdemobox ... not found
Error: image library/pulpdemobox:latest not found
Docker Daemon Debug :
DEBU[0006] Calling POST /images/create
INFO[0006] POST /v1.20/images/create?fromImage=pulpdemobox%3Alatest
DEBU[0006] hostDir: /etc/docker/certs.d/dev-32-38.lon1.centos.org:5000
DEBU[0006] crt: /etc/docker/certs.d/dev-32-38.lon1.centos.org:5000/ca.crt
DEBU[0006] Trying to pull dev-32-38.lon1.centos.org:5000/pulpdemobox from https://dev-32-38.lon1.centos.org:5000 v2
DEBU[0006] Pulling tag from V2 registry: "latest"
DEBU[0006] v2 error: errcode.Error unknown: Not Found
DEBU[0006] Not continuing with error: unknown: Not Found
DEBU[0006] Trying to pull docker.io/pulpdemobox from https://registry-1.docker.io v2
INFO[0007] Trust graph fetch failed: Get https://dvjy3tqbc323p.cloudfront.net/trust/official.json: dial tcp: lookup dvjy3tqbc323p.cloudfront.net: no such host
DEBU[0007] Fetched 0 base graphs at 2016-03-07 10:08:39.901778779 +0000 UTC
DEBU[0007] Pulling tag from V2 registry: "latest"
DEBU[0008] v2 error: errcode.Error unauthorized: access to the requested resource is not authorized
DEBU[0008] Error trying v2 registry: unauthorized: access to the requested resource is not authorized
DEBU[0008] Trying to pull docker.io/pulpdemobox from https://index.docker.io v1
INFO[0008] Trust graph fetch failed: Get https://dvjy3tqbc323p.cloudfront.net/trust/official.json: dial tcp: lookup dvjy3tqbc323p.cloudfront.net: no such host
DEBU[0008] Fetched 0 base graphs at 2016-03-07 10:08:40.959229524 +0000 UTC
DEBU[0008] hostDir: /etc/docker/certs.d/docker.io
DEBU[0008] [registry] Calling GET https://index.docker.io/v1/repositories/library/pulpdemobox/images
DEBU[0008] Not continuing with error: Error: image library/pulpdemobox:latest not found
httpd/access_log :
172.29.32.39 - - [07/Mar/2016:10:08:39 +0000] "GET /v2/ HTTP/1.1" 200 2 "-" "docker/1.8.2 go/go1.4.2 kernel/3.10.0-327.10.1.el7.x86_64 os/linux arch/amd64"
172.29.32.39 - - [07/Mar/2016:10:08:39 +0000] "GET /v2/pulpdemobox/manifests/latest HTTP/1.1" 404 53 "-" "docker/1.8.2 go/go1.4.2 kernel/3.10.0-327.10.1.el7.x86_64 os/linux arch/amd64"