googleapis/mcp-toolbox · error

error performing HTTP request: %w

Error message

error performing HTTP request: %w

What it means

Error "error performing HTTP request: %w" thrown in googleapis/mcp-toolbox.

Source

Thrown at internal/sources/dgraph/dgraph.go:244

	}

	req.Header.Add("Content-Type", "application/rdf")

	return hc.doReq(req)
}

func (hc *DgraphClient) doReq(req *http.Request) ([]byte, error) {
	if hc.HttpToken != nil {
		req.Header.Add("X-Dgraph-AccessToken", hc.AccessJwt)
	}
	if hc.apiKey != "" {
		req.Header.Set("Dg-Auth", hc.apiKey)
	}

	resp, err := hc.httpClient.Do(req)

	if err != nil && !strings.Contains(err.Error(), "Token is expired") {
		return nil, fmt.Errorf("error performing HTTP request: %w", err)
	} else if err != nil && strings.Contains(err.Error(), "Token is expired") {
		if errLogin := hc.loginWithToken(); errLogin != nil {
			return nil, errLogin
		}
		if hc.HttpToken != nil {
			req.Header.Add("X-Dgraph-AccessToken", hc.AccessJwt)
		}
		resp, err = hc.httpClient.Do(req)
		if err != nil {
			return nil, err
		}
	}

	defer resp.Body.Close()

	respBody, err := io.ReadAll(resp.Body)
	if err != nil {
		return nil, fmt.Errorf("error reading response body: url: [%v], err: [%v]", req.URL, err)

View on GitHub (pinned to 8cc6e09de2)

When it happens

Trigger: Thrown at internal/sources/dgraph/dgraph.go:244 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of googleapis/mcp-toolbox@8cc6e09de2 (2026-09-05). Data as JSON: /api/errors/79a10b143c440d98. Report an issue: GitHub.