Troubleshooting 'Could not transfer artifact from/to central' error in IntelliJ

Published on 2024.02.21

Introduction

When working with IntelliJ, you might encounter the error message Could not transfer artifact from/to central. This error typically occurs when IntelliJ is unable to download dependencies from the central Maven repository. In this article, we will explore the possible causes and solutions for this error.

Possible Causes

  1. Network Connectivity Issues: The error can occur due to network connectivity issues, such as a firewall blocking the connection or a proxy misconfiguration.
  2. Incorrect Proxy Settings: If you are using a proxy server, incorrect proxy settings in IntelliJ can cause this error.
  3. Repository Configuration Issues: Sometimes, incorrect configuration of the Maven repository in your project can lead to this error.

Solutions

  1. Check Network Connectivity: Verify your network connectivity by trying to access the Maven repository URL in a web browser or using a tool like cURL. If you cannot access the URL, check your internet connection, firewall settings, and proxy configurations.

  2. Update Proxy Settings in IntelliJ: If you are using a proxy server, make sure the proxy settings in IntelliJ are correct. To do this, go to File > Settings > Appearance & Behavior > System Settings > HTTP Proxy and configure the proxy settings accordingly.

  3. Verify Repository Configuration: Check the settings.xml file in your Maven installation directory for any misconfiguration. Ensure that the repository URL is correct and that your credentials (if required) are properly set.

Conclusion

By following the troubleshooting steps mentioned in this article, you should be able to resolve the 'Could not transfer artifact from/to central' error in IntelliJ. Remember to check your network connectivity, update proxy settings if necessary, and verify the repository configuration. With these solutions, you can continue working with your Maven dependencies without interruptions.