[Bug]: Docker Started Mysql With An Error

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Introduction

In this article, we will be discussing a bug report related to Docker and MySQL. The issue at hand is that when Docker starts MySQL, it encounters an error. This error is caused by a file not being found, which is a crucial file for the MySQL server to function properly. In this report, we will go through the steps to reproduce the issue, the actual behavior, and the expected behavior.

Self Checks

Before we dive into the issue, let's go through the self-checks to ensure that we have followed the correct procedure.

  • [x] I have searched for existing issues search for existing issues, including closed ones.
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  • [x] Please do not modify this template :) and fill in all the required fields.

RAGFlow Workspace Code Commit ID

The RAGFlow workspace code commit ID is: 2372a3a01ffd38d80b40e3c9ebb4d4a436dd88f5

RAGFlow Image Version

The RAGFlow image version is: v0.15.1

Other Environment Information

To provide more context, we have made the following changes to the environment:

Change port 80 to 9099 and redis ports 6379 to 6399

Actual Behavior

When we run the command docker compose -f docker/docker-compose.yml up -d, we encounter the following error:

[Server] A message intended for a client cannot be sent there as no client-session is attached.  Therefore, we're sending the information to the error-log instead: MY-000029 - File '/data/application/init.sql' not found (OS errno 13 - Permission denied)
2025-04-03T08:27:03.010948Z 0 [ERROR] [MY-010455] [Server] Failed to open the bootstrap file /data/application/init.sql
2025-04-03T08:27:03.010956Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable.  You can remove all files that the server added to it.
2025-04-03T08:27:03.010961Z 0 [ERROR] [MY-010119] [Server] Aborting

Expected Behavior

The expected behavior is that there should be no response, as the command is running in detached mode.

Steps to Reproduce

To reproduce the issue, follow these steps:

docker compose -f docker/docker-compose.yml up -d

Additional Information

There is no additional information to provide at this time.

Conclusion

In conclusion, we have reported a bug where starts MySQL with an error. The error is caused by a file not being found, which is a crucial file for the MySQL server to function properly. We have provided the necessary information to reproduce the issue, including the RAGFlow workspace code commit ID, RAGFlow image version, and other environment information. We hope that this report will help to identify and fix the issue.

Troubleshooting Steps

To troubleshoot this issue, we can try the following steps:

  1. Check the file permissions: Make sure that the file /data/application/init.sql has the correct permissions and is not missing.
  2. Check the data directory: Ensure that the data directory /var/lib/mysql/ is not unusable and that all files added by the server have been removed.
  3. Check the Docker compose file: Verify that the Docker compose file docker/docker-compose.yml is correct and that the MySQL service is configured properly.

By following these troubleshooting steps, we should be able to identify and fix the issue.

Related Issues

This issue is related to the following issues:

Commit Message

The commit message for this issue should be:

Fix: Docker starts MySQL with an error due to missing file

API Documentation

The API documentation for this issue should include the following information:

  • Endpoint: /docker-compose.yml
  • Method: GET
  • Description: Retrieves the Docker compose file.
  • Response: 200 OK with the Docker compose file.

By following these API documentation guidelines, we can ensure that the API is properly documented and easy to use.

Code Snippets

The code snippets for this issue should include the following information:

  • Docker Compose File: docker/docker-compose.yml
  • MySQL Service: mysql:
  • Environment Variables: MYSQL_ROOT_PASSWORD, MYSQL_DATABASE, MYSQL_USER, MYSQL_PASSWORD

By including these code snippets, we can provide a clear understanding of the code and help others to reproduce the issue.

FAQs

Q: What is the cause of the error? A: The error is caused by a file not being found, which is a crucial file for the MySQL server to function properly.

Q: How can I reproduce the issue? A: To reproduce the issue, follow the steps outlined in the "Steps to Reproduce" section.

Q: What is the expected behavior? A: The expected behavior is that there should be no response, as the command is running in detached mode.

Introduction

In our previous article, we discussed a bug report related to Docker and MySQL. The issue at hand is that when Docker starts MySQL, it encounters an error. This error is caused by a file not being found, which is a crucial file for the MySQL server to function properly. In this Q&A article, we will answer some frequently asked questions related to this issue.

Q: What is the cause of the error?

A: The error is caused by a file not being found, which is a crucial file for the MySQL server to function properly. The file in question is /data/application/init.sql, which is the bootstrap file for the MySQL server.

Q: How can I reproduce the issue?

A: To reproduce the issue, follow these steps:

  1. Make sure you have Docker and Docker Compose installed on your system.
  2. Create a new directory for your project and navigate to it in your terminal or command prompt.
  3. Create a new file called docker-compose.yml and add the following configuration to it:
version: '3'
services:
  mysql:
    image: mysql:latest
    environment:
      MYSQL_ROOT_PASSWORD: password
      MYSQL_DATABASE: database
      MYSQL_USER: user
      MYSQL_PASSWORD: password
    volumes:
      - ./data:/var/lib/mysql
  1. Create a new directory called data and add the following file to it:
-- init.sql

CREATE DATABASE database;
CREATE USER 'user'@'%' IDENTIFIED BY 'password';
GRANT ALL PRIVILEGES ON database.* TO 'user'@'%';
  1. Run the command docker-compose up -d to start the MySQL server in detached mode.

Q: What is the expected behavior?

A: The expected behavior is that there should be no response, as the command is running in detached mode. However, in this case, the MySQL server will encounter an error and will not start properly.

Q: How can I troubleshoot the issue?

A: To troubleshoot the issue, you can try the following steps:

  1. Check the file permissions: Make sure that the file /data/application/init.sql has the correct permissions and is not missing.
  2. Check the data directory: Ensure that the data directory /var/lib/mysql/ is not unusable and that all files added by the server have been removed.
  3. Check the Docker compose file: Verify that the Docker compose file docker/docker-compose.yml is correct and that the MySQL service is configured properly.

Q: How can I fix the issue?

A: To fix the issue, you can try the following steps:

  1. Check the file permissions: Make sure that the file /data/application/init.sql has the correct permissions and is not missing.
  2. Check the data directory: Ensure that the data directory /var/lib/mysql/ is not unusable and that all files added by the server have been removed.
  3. Check the Docker compose file: Verify that the Docker compose file docker/docker-compose.yml is correct and that the MySQL service is configured properly.

: What are some common mistakes that can cause this issue?

A: Some common mistakes that can cause this issue include:

  • Incorrect file permissions
  • Missing or corrupted files
  • Incorrect Docker compose file configuration
  • Incorrect environment variable settings

Q: How can I prevent this issue from occurring in the future?

A: To prevent this issue from occurring in the future, you can try the following steps:

  1. Double-check the file permissions and ensure that the file /data/application/init.sql has the correct permissions.
  2. Verify that the data directory /var/lib/mysql/ is not unusable and that all files added by the server have been removed.
  3. Check the Docker compose file docker/docker-compose.yml and ensure that the MySQL service is configured properly.
  4. Use a version control system to track changes to the Docker compose file and ensure that it is up-to-date.

By following these steps, you can help to prevent this issue from occurring in the future.