Скачать или смотреть Resolving pull request denied for openjdk in Docker Builds

Learn how to fix a common error in Docker builds caused by a typo in the Dockerfile that leads to pull request denial for OpenJDK.
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This video is based on the question https://stackoverflow.com/q/63325365/ asked by the user 'Ahmed Ali' ( https://stackoverflow.com/u/13772637/ ) and on the answer https://stackoverflow.com/a/63325520/ provided by the user 'Alejandro Galera' ( https://stackoverflow.com/u/3351141/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Fix the Pull Request Denied Error for OpenJDK in Your Docker Build

When working with Docker, encountering errors during the build process can be frustrating, especially when trying to set up your environment for Java applications. One such common issue is the “pull access denied” error, specifically related to openjdk. If you have ever faced an error stating that it cannot find the OpenJDK image while trying to build your Docker container, you are not alone. In this guide, we'll break down the problem and provide a clear and straightforward solution.

Understanding the Problem

The error arises when Docker cannot find the specified image that you want to use as the base for your Dockerfile. In the case provided in the question, the user is attempting to build a Docker image using the following command:

[[See Video to Reveal this Text or Code Snippet]]

However, the build process produces the following error message:

[[See Video to Reveal this Text or Code Snippet]]

This means that Docker is trying to pull an image from a repository called opejdk, which does not exist. The issue stems from a simple typo in the Dockerfile.

The Solution

The solution is straightforward and requires you to correct the typo in your Dockerfile. Here’s how you can do that:

Step-by-Step Fix

Locate the Typo: Open your Dockerfile and find the line where the error occurs.

Original line with the typo:

[[See Video to Reveal this Text or Code Snippet]]

Correct the Image Name: Change opejdk to the correct version, openjdk.

Corrected line:

[[See Video to Reveal this Text or Code Snippet]]

Save the Dockerfile: After making the correction, save your changes.

Rebuild the Docker Image: Now, try rebuilding your Docker image again using the same command:

[[See Video to Reveal this Text or Code Snippet]]

Check for Errors: If everything is set up correctly, the build process should complete without the previous error.

Example of the Correct Dockerfile

Just for reference, here is what your updated Dockerfile should look like after you correct the typo:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

Typographical errors can easily slip through when coding, but they can lead to significant issues, especially in environments like Docker. By correcting the typo from opejdk to openjdk, you will prevent the “pull request denied” error and successfully build your Docker image. Always double-check your commands and file names to ensure a smooth development experience!

Happy coding!