Use a different Docker registry

Oct 13, 2025 by pynkocean.com 7 views

Introduction

SeaTunnel is a popular open-source big data integration platform that provides a simple and efficient way to integrate data from various sources. However, some users have reported issues with using Docker and Helm to deploy SeaTunnel images. In this article, we will investigate the problem and provide a solution.

Problem Description

The problem occurs when trying to pull SeaTunnel images using Docker or Helm. The error messages indicate that the connection to the Docker registry or Helm repository fails. The issue is not specific to a particular version of SeaTunnel, as it affects both 2.3.8 and 2.3.9 versions.

Symptoms

The symptoms of the problem are as follows:

When trying to pull SeaTunnel images using Docker, the following error message is displayed:

Error response from daemon: Head "https://registry-1.docker.io/v2/apache/seatunnel/manifests/2.3.9": EOF

*   When trying to pull SeaTunnel images using Helm, the following error message is displayed:
    ```
Error: failed to do request: Head "https://registry-1.docker.io/v2/apache/seatunnel-helm/manifests/2.3.10": dial tcp 184.173.136.86:443: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.

The issue is not resolved by opening or closing a VPN connection.

SeaTunnel Version

The SeaTunnel versions affected by this issue are:

2.3.8
2.3.9

SeaTunnel Config

The SeaTunnel configuration used to reproduce the issue is as follows:

docker pull apache/seatunnel:2.3.8
docker pull apache/seatunnel:2.3.9

对应helm也同样的问题:
# Choose the corresponding version yourself
export VERSION=2.3.9
helm pull oci://registry-1.docker.io/apache/seatunnel-helm --version ${VERSION}
tar -xvf seatunnel-helm-${VERSION}.tgz
cd seatunnel-helm
helm install seatunnel .

Running Command

The running command used to reproduce the issue is as follows:

docker pull apache/seatunnel:2.3.8

export VERSION=2.3.9

helm pull oci://registry-1.docker.io/apache/seatunnel-helm --version ${VERSION}

Error Exception

The error exception displayed when trying to pull SeaTunnel images using Helm is as follows:

/d/work_comteck/helm/charts (main)
$ helm pull oci://registry-1.docker.io/apache/seatunnel-helm --version ${VERSION}
Error: failed to do request: Head "https://registry-1.docker.io/v2/apache/seatunnel-helm/manifests/2.3.10": dial tcp 184.173.136.86:443: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.


使用docker直接拉取:
PS D:\Study_code\Seatunnel_deployment> docker pull apache/seatunnel:2.3.9
Error response from daemon: Head "https://registry-1.docker.io/v2/apache/seatunnel/manifests/2.3.9": EOF
PS D:\Study_code\Seatunnel_deployment> docker pull apache/seatunnel:<version_tag>
invalid reference format
PS D:\Study_code\Seatunnel_deployment> docker pull apache/seatunnel:2.3.8
Error response from daemon: Get "https://registry-1.docker.io/v2/": EOF
PS D:\Study_code\Seatunnel_deployment>

Solution

To resolve this issue, you can try the following solutions:

Check the Docker registry: Make sure that the Docker registry is accessible and not blocked by any firewall or proxy.
Check the Helm repository: Make sure that the Helm repository is accessible and not blocked by any firewall or proxy.
Use a different Docker registry: Try using a different Docker registry, such as Docker Hub or a private registry.
Use a different Helm repository: Try using a different Helm repository, such as the official Helm repository or a private repository.
Check the SeaTunnel configuration: Make sure that the SeaTunnel configuration is correct and not causing any issues.

Conclusion

In conclusion, the issue of Docker and Helm failing to use SeaTunnel images is a complex problem that requires a thorough investigation. By following the steps outlined in this article, you should be able to identify and resolve the issue. If you are still experiencing problems, please feel free to submit a PR or contact the SeaTunnel community for further assistance.

Additional Information

Search before asking: Before asking for help, make sure to search the issues and documentation to see if the problem has already been reported or solved.
Provide detailed information: When asking for help, provide detailed information about the problem, including the error messages, configuration, and any relevant logs.
Be willing to submit a PR: If you are able to identify and fix the issue, be willing to submit a PR to the SeaTunnel community to help others who may be experiencing the same problem.
Q&A: Troubleshooting Docker and Helm Issues with SeaTunnel ===========================================================

Q: What are the common issues that users face when using Docker and Helm with SeaTunnel?

A: The common issues that users face when using Docker and Helm with SeaTunnel include:

Failed to pull images: Users may encounter errors when trying to pull SeaTunnel images using Docker or Helm.
Connection issues: Users may experience connection issues when trying to access the Docker registry or Helm repository.
Configuration errors: Users may encounter configuration errors when trying to deploy SeaTunnel using Docker or Helm.

Q: How can I troubleshoot the issue when Docker fails to pull SeaTunnel images?

A: To troubleshoot the issue when Docker fails to pull SeaTunnel images, you can try the following steps:

Check the Docker registry: Make sure that the Docker registry is accessible and not blocked by any firewall or proxy.
Check the SeaTunnel configuration: Make sure that the SeaTunnel configuration is correct and not causing any issues.
Use a different Docker registry: Try using a different Docker registry, such as Docker Hub or a private registry.
Check the Docker logs: Check the Docker logs to see if there are any error messages that can help identify the issue.

Q: How can I troubleshoot the issue when Helm fails to pull SeaTunnel images?

A: To troubleshoot the issue when Helm fails to pull SeaTunnel images, you can try the following steps:

Check the Helm repository: Make sure that the Helm repository is accessible and not blocked by any firewall or proxy.
Check the SeaTunnel configuration: Make sure that the SeaTunnel configuration is correct and not causing any issues.
Use a different Helm repository: Try using a different Helm repository, such as the official Helm repository or a private repository.
Check the Helm logs: Check the Helm logs to see if there are any error messages that can help identify the issue.

Q: What are the common configuration errors that users face when deploying SeaTunnel using Docker or Helm?

A: The common configuration errors that users face when deploying SeaTunnel using Docker or Helm include:

Incorrect image reference: Users may use an incorrect image reference when deploying SeaTunnel using Docker or Helm.
Missing environment variables: Users may forget to set environment variables required by SeaTunnel.
Incorrect configuration file: Users may use an incorrect configuration file when deploying SeaTunnel using Docker or Helm.

Q: How can I resolve the issue when SeaTunnel fails to start after deployment using Docker or Helm?

A: To resolve the issue when SeaTunnel fails to start after deployment using Docker or Helm, you can try the following steps:

Check the SeaTunnel logs: Check the SeaTunnel logs to see if there are any error messages that can help identify the issue.
Check the configuration file: Make sure that the configuration file is correct and not causing any issues.
Check the environment variables: Make sure that the environment variables are set correctly.
Try a different deployment method: Try deploying SeaTunnel using a different method, such as using a Docker Compose file or a Helm chart.

Q: Can I use a different Docker registry or Helm repository when deploying SeaTunnel?

A: Yes, you can use a different Docker registry or Helm repository when deploying SeaTunnel. However, make sure that the registry or repository is accessible and not blocked by any firewall or proxy.

Q: How can I get help when I encounter issues with SeaTunnel deployment using Docker or Helm?

A: You can get help when you encounter issues with SeaTunnel deployment using Docker or Helm by:

Checking the SeaTunnel documentation: Check the SeaTunnel documentation to see if there are any solutions to your problem.
Searching online forums: Search online forums, such as GitHub or Stack Overflow, to see if others have encountered similar issues.
Reaching out to the SeaTunnel community: Reach out to the SeaTunnel community for help and support.
Submitting a PR: Submit a PR to the SeaTunnel community to help others who may be experiencing similar issues.