{"record":{"id":"cb3ab32870ce1c9a","repo":"fish2018/pansou","slug":"s-w-cb3ab3","errorCode":null,"errorMessage":"[%s] 创建会话请求失败: %w","messagePattern":"\\[(.+?)\\] 创建会话请求失败: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"plugin/nsgame/nsgame.go","lineNumber":357,"sourceCode":"\t}\n\tvar response nsgameSessionResponse\n\tif err := json.Unmarshal(data, &response); err != nil {\n\t\treturn false, fmt.Errorf(\"[%s] 解析会话响应失败: %w\", p.Name(), err)\n\t}\n\tactive, _ := response.Data.(bool)\n\treturn active, nil\n}\n\nfunc (p *NSGameAsyncPlugin) postSessionRaw(client *http.Client, path string, body []byte) ([]byte, error) {\n\tctx, cancel := context.WithTimeout(context.Background(), defaultTimeout)\n\tdefer cancel()\n\tvar reader io.Reader\n\tif body != nil {\n\t\treader = strings.NewReader(string(body))\n\t}\n\treq, err := http.NewRequestWithContext(ctx, http.MethodPost, baseURL+path, reader)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"[%s] 创建会话请求失败: %w\", p.Name(), err)\n\t}\n\tif body != nil {\n\t\treq.Header.Set(\"Content-Type\", \"application/json\")\n\t}\n\tp.setRequestHeaders(req, \"https://nsthwj.cn/\")\n\tresp, err := client.Do(req)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"[%s] 会话请求失败: %w\", p.Name(), err)\n\t}\n\tdefer resp.Body.Close()\n\tdata, _ := io.ReadAll(resp.Body)\n\tif resp.StatusCode != http.StatusOK {\n\t\treturn nil, fmt.Errorf(\"[%s] 会话返回状态码: %d\", p.Name(), resp.StatusCode)\n\t}\n\treturn data, nil\n}\n\nfunc solveChallenge(challenge string, difficultyBits int) string {","sourceCodeStart":339,"sourceCodeEnd":375,"githubUrl":"https://github.com/fish2018/pansou/blob/beaa56133755a548ebc51b090b3816e2ae044aa6/plugin/nsgame/nsgame.go#L339-L375","documentation":"postSessionRaw failed while constructing the outbound POST http.NewRequestWithContext to baseURL+path; this wraps the standard-library error. Because the URL is built from constant baseURL plus a fixed path with no user input, this almost always means an invalid URL composition or unsupported body/reader, which is rare and indicates a code/config bug rather than a runtime condition.","triggerScenarios":"baseURL or path contains characters making an unparseable URL (url.Parse error), an invalid HTTP method, or a nil context/broken reader passed to NewRequestWithContext.","commonSituations":"baseURL misconfigured (e.g. contains spaces or is empty after a config change), site migration left a malformed path constant, or a refactor changed the body handling so reader is invalid.","solutions":["Print baseURL+path and run url.Parse on it to find the malformed component","Verify baseURL is a full absolute URL like https://nsthwj.cn and path starts with /","Check the wrapped error with %w — http.NewRequestWithContext errors name the exact parse failure","If baseURL is configurable, validate it at plugin construction time","Re-review recent changes to body/reader construction for a nil or closed reader"],"exampleFix":"// before\nreq, err := http.NewRequestWithContext(ctx, http.MethodPost, baseURL+path, reader)\nif err != nil {\n    return nil, fmt.Errorf(\"[%s] 创建会话请求失败: %w\", p.Name(), err)\n}\n// after\nfullURL := baseURL + path\nif _, perr := url.Parse(fullURL); perr != nil {\n    return nil, fmt.Errorf(\"[%s] 创建会话请求失败: 无效URL %q: %w\", p.Name(), fullURL, perr)\n}\nreq, err := http.NewRequestWithContext(ctx, http.MethodPost, fullURL, reader)\nif err != nil {\n    return nil, fmt.Errorf(\"[%s] 创建会话请求失败: %w\", p.Name(), err)\n}","handlingStrategy":"validation","validationCode":"func validateBaseURL(u string) error {\n    parsed, err := url.Parse(u)\n    if err != nil || parsed.Scheme == \"\" || parsed.Host == \"\" {\n        return fmt.Errorf(\"invalid baseURL: %q\", u)\n    }\n    return nil\n}","typeGuard":null,"tryCatchPattern":"raw, err := plugin.SessionRawStatus()\nif err != nil && strings.Contains(err.Error(), \"创建会话请求失败\") {\n    // config/code bug: fail fast and surface to operator\n    log.Error(\"session request construction failed — check baseURL\", \"err\", err)\n    return err\n}","preventionTips":["Validate baseURL at startup with url.Parse (scheme+host required)","Keep endpoint paths as constants and unit-test the composed URLs","Never interpolate unescaped user input into endpoint URLs","Read the wrapped %w error — it names the exact parse failure"],"tags":["http","url","go","request-construction"],"backgroundTag":"invalid-url","analyzedSha":"beaa56133755a548ebc51b090b3816e2ae044aa6","analyzedAt":"2026-09-07T00:31:18.025Z","contentChangedAt":"2026-09-07T00:31:18.025Z","schemaVersion":2},"datasetVersion":"2026-09-15T23:17:13.987Z"}