How to resolve Error establishing a Redis connection on plugin updates

Redis is a famous open-source in-memory data structure store that is generally used as a caching mechanism in web applications. When this error happens, it shows that there is a problem with connecting to the Redis server during the procedure of updating a plugin on a WordPress site. We will provide useful tips and solutions to fix this error and ensure smooth plugin updates.

In this article, we will examine the error “Error establishing a Redis connection – only on plugin updates” and examine its possible causes and troubleshooting steps.

Read Also: How to Add Gravity Bookings Plugin on your WordPress Site

Causes of Error establishing a Redis connection

The error “Error establishing a Redis connection – only on plugin updates” can occur due to various reasons, including:

• The Redis server is not configured accurately.
• The Redis server is down.
• The Redis server is not reachable from your application.
• There is an issue with your application’s configuration.

Troubleshooting Steps to Fix Redis Connection Error

To fix the error “Error establishing a Redis connection – only on plugin updates,” follow these steps:

Checking Redis Configuration in wp-config.php

• Open the wp-config.php file in your WordPress installation.
• Discover the Redis configuration section.
• Confirm that the host, port, and password values are correct.

Restarting Your WordPress Site

• Restart your WordPress site to flush the Redis cache.
• This will cause the plugin to re-read the updated configuration.

Deleting Redis Cache File

• Guide to the wp-content/plugins/redis-cache/ directory.
• Find the Redis cache file.
• Delete the cache file to clear any cached data that might be generating the error.

Contacting the Plugin Developer

• If the error continues after trying the above steps, reach out to the plugin developer for help.
• The plugin developer can deliver guidance and support specific to the plugin’s Redis integration.

Read Also: Yoast & SEMRush Integration WordPress SEO plugin

Additional Troubleshooting Tips

Here are some other tips to troubleshoot the error “Error establishing a Redis connection – only on plugin updates”:

• Utilize a Redis client to connect to the server and check if it is down or if there is a network connection problem.
• Check the Redis logs for any error details that can help identify the issue.
• Restart the Redis server, as this might fix the connection issue.
• Reach out to the plugin developer for further help in troubleshooting the error.

The error message “Error establishing a Redis connection” is a generic blunder that can stem from diverse underlying problems. It is important to identify the specific cause to effectively address the problem.

If you experience the error “Error establishing a Redis connection,” consider the following:

1. Confirm that the Redis server is running.
2. Confirm that the Redis server is listening on the correct port.
3. Ensure that the Redis server is configured to allow connections from your application.
4. Double-check the Redis configuration in your wp-config.php file for accuracy.

If you have tried all troubleshooting options and the error continues, contacting the Redis support team can provide expert help in resolving the problem.

Conclusion

The error “Error establishing a Redis connection – only on plugin updates” can be fixed by checking the Redis configuration, restarting the WordPress site, deleting the Redis cache file, and seeking help from the plugin developer. By following the troubleshooting steps and exploring additional tips, you can successfully address this error and provide smooth plugin updates.