Trino UNSUPPORTED_VERSION error encountered when using Trino.

The version of Trino or a component is not supported.

Understanding Trino and Its Purpose

Trino, formerly known as PrestoSQL, is a distributed SQL query engine designed to query large datasets across various data sources. It is particularly popular for its ability to perform fast analytics on data stored in Hadoop, AWS S3, and other data storage systems. Trino is widely used in data warehousing and big data environments due to its scalability and performance.

Identifying the Symptom: UNSUPPORTED_VERSION Error

When working with Trino, you might encounter the UNSUPPORTED_VERSION error. This error typically manifests when attempting to connect to a Trino server or when executing queries. The error message may look something like this:

ERROR: UNSUPPORTED_VERSION - The version of Trino or a component is not supported.

This error indicates a compatibility issue between the Trino server and the client or another component.

Exploring the Issue: What Causes UNSUPPORTED_VERSION?

The UNSUPPORTED_VERSION error occurs when there is a mismatch between the versions of Trino components being used. This could be due to:

  • Using an outdated version of the Trino server or client.
  • Incompatibility between Trino and other integrated components like connectors or plugins.
  • Changes in API or protocol versions that are not backward compatible.

For more details on Trino's version compatibility, refer to the Trino Release Notes.

Steps to Resolve the UNSUPPORTED_VERSION Error

Step 1: Check Current Version

First, determine the version of Trino you are currently using. You can do this by running the following command on your Trino server:

trino --version

Ensure that both the server and client versions are compatible. You can find the compatibility matrix in the Trino Installation Guide.

Step 2: Upgrade to a Supported Version

If you find that your version is outdated, upgrade to a supported version. Follow these steps:

  1. Download the latest stable release from the Trino Download Page.
  2. Stop the Trino server using:
    systemctl stop trino
  1. Replace the old Trino binaries with the new version.
  2. Restart the Trino server:
    systemctl start trino

Step 3: Verify Compatibility of Connectors and Plugins

Ensure that all connectors and plugins are compatible with the new version of Trino. Check the documentation for each component to confirm compatibility.

Step 4: Test the Setup

After upgrading, run a few test queries to ensure that the system is functioning correctly. Monitor the logs for any errors or warnings.

Conclusion

By following these steps, you should be able to resolve the UNSUPPORTED_VERSION error in Trino. Regularly updating your Trino installation and checking compatibility with other components will help prevent such issues in the future. For more information, visit the Trino Documentation.

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