go-delve/delve · error

%s - %s

Error message

%s - %s

What it means

Error "%s - %s" thrown in go-delve/delve.

Source

Thrown at service/debugger/debugger.go:2519

func go11DecodeErrorCheck(err error) error {
	if !errors.Is(err, dwarf.DecodeError{}) {
		return err
	}

	gover, ok := goversion.Installed()
	if !ok || !gover.AfterOrEqual(goversion.GoVersion{Major: 1, Minor: 11, Rev: -1}) || goversion.VersionAfterOrEqual(runtime.Version(), 1, 11) {
		return err
	}

	return errors.New("executables built by Go 1.11 or later need Delve built by Go 1.11 or later")
}

const NoDebugWarning string = "debuggee must not be built with 'go run' or -ldflags='-s -w', which strip debug info"

func noDebugErrorWarning(err error) error {
	if errors.Is(err, dwarf.DecodeError{}) || strings.Contains(err.Error(), "could not open debug info") {
		return fmt.Errorf("%s - %s", err.Error(), NoDebugWarning)
	}
	return err
}

func verifyBinaryFormat(exePath string) (string, error) {
	fullpath, err := filepath.Abs(exePath)
	if err != nil {
		return "", err
	}

	f, err := os.Open(fullpath)
	if err != nil {
		return "", err
	}
	defer f.Close()

	// Skip this check on Windows.
	// TODO(derekparker) exec.LookPath looks for valid Windows extensions.

View on GitHub (pinned to a23773e6c3)

When it happens

Trigger: Thrown at service/debugger/debugger.go:2519 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of go-delve/delve@a23773e6c3 (2026-08-31). Data as JSON: /api/errors/06a54128ceb4f601. Report an issue: GitHub.