Docker Errors

Shardul | Mar 4, 2025 min read

50 Docker Errors & Solutions

Docker errors can arise from various issues, and troubleshooting them can sometimes be challenging. Here are 50 common Docker errors along with potential solutions:

  1. Error: Cannot connect to the Docker daemon
    • Solution: Ensure Docker is running (docker info).
  2. Error: Got permission denied while trying to connect to the Docker daemon socket
    • Solution: Run Docker commands with sudo or add your user to the docker group.
  3. Error: Unable to locate package docker-ce
    • Solution: Follow the correct installation instructions for your Linux distribution.
  4. Error: Image is not on the Docker host
    • Solution: Pull the image with docker pull.
  5. Error: No space left on device
    • Solution: Clean up unused images/containers or resize the Docker disk space.
  6. Error: Container command ‘XXX’ not found
    • Solution: Ensure the command exists in the container or check the container image.
  7. Error: Cannot start container: port has already been allocated
    • Solution: Choose a different host port or stop the conflicting container.
  8. Error: Connection refused
    • Solution: Ensure the service inside the container is running or check firewall settings.
  9. Error: Unable to access jarfile /path/to/file.jar
    • Solution: Check the file path or container’s working directory.
  10. Error: Exited with code 137
    • Solution: Insufficient resources (increase memory or CPU).
  11. Error: No such file or directory
    • Solution: Check file paths and existence inside the container.
  12. Error: port is already allocated
    • Solution: Choose a different port or stop the conflicting service.
  13. Error: OCI runtime create failed: container_linux.go:348: starting container process caused “exec: “XXX”: executable file not found in $PATH”
    • Solution: Ensure the command exists or check the path within the container.
  14. Error: Cannot assign requested address
    • Solution: Check network configurations and available IP addresses.
  15. Error: Cannot create container for service XXX: network XXX not found
    • Solution: Ensure the network specified in the docker-compose.yml exists.
  16. Error: COPY failed: no such file or directory
    • Solution: Verify file paths and existence in the Dockerfile.
  17. Error: unauthorized: authentication required
    • Solution: Log in to the Docker registry using docker login.
  18. Error: Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock
    • Solution: Add your user to the docker group or use sudo.
  19. Error: image operating system “XXX” cannot be used on this platform
    • Solution: Use images compatible with your platform (e.g., multi-platform images).
  20. Error: Container command ‘XXX’ not found or does not exist
    • Solution: Check the command spelling or verify the image contents.
  21. Error: Network unreachable
    • Solution: Check network configurations or restart Docker.
  22. Error: No module named ‘requests’
    • Solution: Install required Python packages in your Docker image.
  23. Error: Bind for 0.0.0.0:XXX failed: port is already allocated
    • Solution: Choose a different port or stop the service using that port.
  24. Error: Cannot connect to the Docker daemon at tcp://XXX:2376. Is the docker daemon running?
    • Solution: Ensure Docker is running or check the Docker daemon configuration.
  25. Error: Cannot connect to the Docker daemon. Is ‘docker -d’ running on this host?
    • Solution: Start the Docker daemon with dockerd.
  26. Error: The requested image’s platform (linux/amd64) does not match the detected host platform (linux/arm64)
    • Solution: Use images compatible with your host platform.
  27. Error: no matching manifest for XXX in the manifest list entries
    • Solution: Pull an image compatible with your architecture.
  28. Error: The container name “/XXX” is already in use
    • Solution: Choose a different container name or remove the existing container.
  29. Error: ERROR for service Cannot start service XXX: driver failed programming external connectivity
    • Solution: Release the port from another service or choose a different one.
  30. Error: error while creating mount source path ‘/host/path’: mkdir /host/path: file exists
    • Solution: The specified path should not be an existing directory.
  31. Error: Unable to find image ‘XXX’ locally
    • Solution: Pull the image with docker pull before running the container.
  32. Error: rpc error: code = 2 desc = “oci runtime error: exec format error”
    • Solution: Use images compatible with your platform.
  33. Error: No such container: XXX
    • Solution: Ensure the container exists or check the container name.
  34. Error: invalid argument: unknown flag: –network
    • Solution: Update Docker to a version that supports the specified flag.
  35. Error: Dockerfile parse error line XXX: unknown instruction: YYY
    • Solution: Check Dockerfile syntax and instruction spelling.
  36. Error: oci runtime error: container_linux.go:247: starting container process caused “process_linux.go:359: container init caused “rootfs_linux.go:54: mounting "XXX" to rootfs "/var/lib/docker/overlay2/XXX/merged" at "/path/in/container" caused "not a directory"”
    • Solution: The source path in a volume mount should be a directory.
  37. Error: network XXX not found
    • Solution: The specified network should exist or create it using docker network create.
  38. Error: Unable to load the image. The file is too big.
    • Solution: Optimize the image size or use a more lightweight base image.
  39. Error: Unable to find a node that satisfies the following conditions
    • Solution: Ensure your Docker Swarm has available nodes.
  40. Error: Error response from daemon: invalid mode: /path/in/container
    • Solution: Check the syntax of the volume mount mode.
  41. Error: failed to build: COPY failed: no such file or directory
    • Solution: Ensure the file or directory exists in the build context.
  42. Error: failed to register layer: Error processing tar file(exit status 1): write /path/in/container: no space left on device
    • Solution: Free up disk space or resize the Docker disk.
  43. Error: The server requested authentication method unknown to the client [tls]
    • Solution: Upgrade Docker to a version that supports the TLS authentication method.
  44. Error: Another program is using port XXX
    • Solution: Stop the program using the conflicting port.
  45. Error: /usr/bin/docker: Error response from daemon: Conflict. The container name “/XXX” is already in use by container “YYY”.
    • Solution: Remove or rename the existing container with the conflicting name.
  46. Error: open /var/run/docker.sock: no such file or directory
    • Solution: Ensure Docker is running or check the Docker daemon socket.
  47. Error: Couldn’t find an alternative telinit implementation to spawn
    • Solution: Use init as the Docker entry point in your Dockerfile.
  48. Error: error parsing HTTP 403 response body: invalid character ‘<’ looking for beginning of value: “…
    • Solution: Check Docker Hub credentials or registry authentication.
  49. Error: unknown: Authentication is required
    • Solution: Log in to the registry with docker login.
  50. Error: invalid reference format: repository name must be lowercase
    • Solution: Ensure repository names are lowercase.