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Cloudron Forum

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  1. Cloudron Forum
  2. Docker Registry
  3. Unusable application

Unusable application

Scheduled Pinned Locked Moved Docker Registry
27 Posts 7 Posters 411 Views 8 Watching
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  • klawitterbK klawitterb

    @joseph I've now also noticed problems with the docker registry. In my case I'm also running a builderbot on the same cloudron instance. Seems like it can't connect to the docker registry, my logs on the builderbot are simply saying:

    Mar 28 08:42:05 build-1774683724218 Build stream finished
    Mar 28 08:42:05 build-1774683724218 Pushing...
    Mar 28 08:42:20 build-1774683724218 Push stream finished
    Mar 28 08:42:20 build-1774683724218 Get "https://docker.apehost.de/v2/": net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)
    Mar 28 08:42:20 build-1774683724218 Push failed
    

    Probably not related I've also noticed that the logs on the docker registry container get spammed with this error:

    Mar 28 08:46:32 time="2026-03-28T07:46:32.467979729Z" level=error msg="traces export: Post \"https://localhost:4318/v1/traces\": dial tcp [::1]:4318: connect: connection refused" go.version=go1.23.7 instance.id=401bc88b-1bfe-4713-ae09-1cffdf628884 service=registry version=3.0.0
    Mar 28 08:46:35 2026/03/28 07:46:35 [info] 71#71: *109 client 172.18.0.1 closed keepalive connection
    
    LanhildL Offline
    LanhildL Offline
    Lanhild
    App Dev
    wrote last edited by
    #16

    @klawitterb said:
    Probably not related I've also noticed that the logs on the docker registry container get spammed with this error:

    Mar 28 08:46:32 time="2026-03-28T07:46:32.467979729Z" level=error msg="traces export: Post \"https://localhost:4318/v1/traces\": dial tcp [::1]:4318: connect: connection refused" go.version=go1.23.7 instance.id=401bc88b-1bfe-4713-ae09-1cffdf628884 service=registry version=3.0.0
    

    I'm also encountering these.

    girishG 1 Reply Last reply
    0
    • robiR Offline
      robiR Offline
      robi
      wrote last edited by
      #17

      Assuming it is listening on port 4318, you can't do https with localhost.

      Dropping the 's' should work if the API route is available.

      Conscious tech

      1 Reply Last reply
      0
      • LanhildL Lanhild

        @klawitterb said:
        Probably not related I've also noticed that the logs on the docker registry container get spammed with this error:

        Mar 28 08:46:32 time="2026-03-28T07:46:32.467979729Z" level=error msg="traces export: Post \"https://localhost:4318/v1/traces\": dial tcp [::1]:4318: connect: connection refused" go.version=go1.23.7 instance.id=401bc88b-1bfe-4713-ae09-1cffdf628884 service=registry version=3.0.0
        

        I'm also encountering these.

        girishG Offline
        girishG Offline
        girish
        Staff
        wrote last edited by
        #18

        @Lanhild https://git.cloudron.io/packages/docker-registry-app/-/merge_requests/15 . I think that probably fixes it per upstream reports - https://github.com/distribution/distribution/issues/4270 , https://github.com/distribution/distribution-library-image/issues/187 . I don't think this related to your original DNS issue though. This traces export is just some log spam .

        1 Reply Last reply
        0
        • girishG Offline
          girishG Offline
          girish
          Staff
          wrote last edited by
          #19

          OK, with the update that log message is gone (in our registry)

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          • klawitterbK Online
            klawitterbK Online
            klawitterb
            wrote last edited by
            #20

            Log spam seems to be gone now, still having trouble with the actual connection to the registry on my cloudron:

            7fa1485f-516f-4695-a564-1250df9fd355-image.jpeg

            Docker registry resides on the same cloudron

            M 1 Reply Last reply
            0
            • klawitterbK klawitterb

              Log spam seems to be gone now, still having trouble with the actual connection to the registry on my cloudron:

              7fa1485f-516f-4695-a564-1250df9fd355-image.jpeg

              Docker registry resides on the same cloudron

              M Offline
              M Offline
              msbt
              App Dev
              wrote last edited by
              #21

              @klawitterb try without https://

              Happy Hosting & Web Development

              1 Reply Last reply
              0
              • klawitterbK Online
                klawitterbK Online
                klawitterb
                wrote last edited by
                #22

                Without https:// I'm getting: Invalid serverAddress: socket hang up

                1 Reply Last reply
                0
                • M Offline
                  M Offline
                  msbt
                  App Dev
                  wrote last edited by
                  #23

                  You got a typo in there maybe, or a firewall?

                  Happy Hosting & Web Development

                  1 Reply Last reply
                  0
                  • nebulonN Away
                    nebulonN Away
                    nebulon
                    Staff
                    wrote last edited by
                    #24

                    So it should work without https:// there so the socket hang up is the issue somehow. Can you telnet via ssh to the registry from that server?

                    1 Reply Last reply
                    0
                    • klawitterbK Online
                      klawitterbK Online
                      klawitterb
                      wrote last edited by
                      #25

                      Just tried, that just gives me a telnet: Unable to connect to remote host: Connection refused

                      1 Reply Last reply
                      0
                      • nebulonN Away
                        nebulonN Away
                        nebulon
                        Staff
                        wrote last edited by
                        #26

                        If docker.apehost.de is the actual server, then I am able to contact that app from here at least. Does it correctly resolve on the system where it fails?

                        1 Reply Last reply
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                        • klawitterbK Online
                          klawitterbK Online
                          klawitterb
                          wrote last edited by
                          #27

                          From the server:
                          ping -n docker.apehost.de -> works
                          telnet idontexist.apehost.de -> Name or service not known
                          telnet docker.apehost.de -> connection refused
                          docker pull docker.apehost.de/path-to-exisiting-image -> Error response from daemon: Get "https://docker.apehost.de/v2/": context deadline exceeded (Client.Timeout exceeded while awaiting headers)

                          From my local machine:
                          docker pull docker.apehost.de/path-to-exisiting-image -> works just fine

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