What causes "[%s] 解析详情页失败: %w" in fish2018/pansou?

Verify the body passed to parseDetail is non-empty and is actually HTML (log a snippet on error)

fish2018/pansou · warning

[ ] 解析详情页失败

Error message

[%s] 解析详情页失败: %w

What it means

parseDetail hands the fetched HTML body to goquery.NewDocumentFromReader. goquery only errors when the underlying XML/HTML parser fails, which is rare; this error wraps that parser failure with the plugin name prefix. It means the document could not be constructed at all.

Solutions

Verify the body passed to parseDetail is non-empty and is actually HTML (log a snippet on error)
Since goquery tolerates most malformed HTML, check for a goquery/x-net-html version issue and update dependencies
Rely on getDetailInfo's fallback: it continues to the next candidate URL, so ensure candidate list covers alternates

Defensive patterns

Strategy: try-catch

Try / catch

info, err := plugin.GetDetailInfo(ctx, url)
if err != nil && strings.Contains(err.Error(), "解析详情页失败") {
    log.Printf("goquery parse failed for %s: %v", url, err)
    return detailInfo{} // degrade gracefully; getDetailInfo already tries alternate URLs
}

Prevention

Keep goquery and golang.org/x/net updated
getDetailInfo already falls back to other candidate URLs — ensure candidate lists are populated
Log body snippets when parsing fails to detect non-HTML responses

When it happens

Trigger: goquery.NewDocumentFromReader(strings.NewReader(body)) returns a non-nil error inside parseDetail, called from getDetailInfo after a successful fetch of a detail candidate URL.

Common situations: Practically triggered by an empty or nil reader state rather than truly invalid HTML (goquery's parser is lenient); a body containing extremely malformed content in strict parsing configurations.

Related errors

AI-assisted analysis of fish2018/pansou@beaa561337 (2026-09-07). Data as JSON: /api/errors/baa4b2abeed32cc5. Report an issue: GitHub.

Appendix: source

Thrown at plugin/qiwei/qiwei.go:420

	if isVerifyPage(string(responseBody)) {
		return fmt.Errorf("站点未接受验证参数")
	}
	return nil
}

func md5StringToHex(value string) string {
	var builder strings.Builder
	for _, r := range value {
		builder.WriteString(fmt.Sprintf("%d", r+1))
	}
	sum := md5.Sum([]byte(builder.String()))
	return hex.EncodeToString(sum[:])
}

func (p *QiweiPlugin) parseDetail(detailURL, body, fallbackTitle, fallbackPic string) (detailInfo, error) {
	doc, err := goquery.NewDocumentFromReader(strings.NewReader(body))
	if err != nil {
		return detailInfo{}, fmt.Errorf("[%s] 解析详情页失败: %w", p.Name(), err)
	}

	title := cleanText(doc.Find(".main-ui-meta h1").First().Text())
	title = yearSuffixRegex.ReplaceAllString(title, "")
	if title == "" {
		title = fallbackTitle
	}

	cover := normalizeURL(detailURL, attrOrEmpty(doc.Find(`meta[property="og:image"]`).First(), "content"))
	if cover == "" {
		cover = normalizeURL(detailURL, attrOrEmpty(doc.Find(".main-left .img img").First(), "src"))
	}
	if cover == "" {
		cover = fallbackPic
	}

	contentParts := make([]string, 0, 3)
	if meta := cleanText(doc.Find(".main-ui-meta .otherbox").First().Text()); meta != "" {

View on GitHub (pinned to beaa561337)