Why does my Go module show the error 'module found but does not contain package'?

Go Module Error: "module found but does not contain package"

When using Go modules, you may encounter an error stating "module found but does not contain package." This signifies that the specified module exists but lacks the targeted package.

Troubleshooting Steps:

To resolve this issue, first ensure your proxy settings are configured correctly using the go env | grep GOPROXY command. If they appear valid, consider the following:

• Clear Cache: Run go clean -modcache to eliminate any outdated cached modules.
• Check Module Definition: Inspect the go.mod file of the affected module to ensure it accurately describes its contained packages.
• Re-Download Dependencies: Use go get -v or go get -v ./... to re-download dependent modules and verify if the error persists.
• Update Package Import Paths: If necessary, modify the import paths within your code to align with the module's package structure.
• Verify Module Authors: Ensure that the module you're using is maintained by trusted authors. Erroneous or incomplete modules can lead to such errors.

Additional Details:

As illustrated in the provided example, you can confirm the issue by examining the full log from go mod init, go build, and go get. The error message will indicate which packages are missing from the referenced module.

By following these steps, you can resolve the "module found but does not contain package" error and ensure your Go code can successfully reference the intended packages.

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