{"record":{"id":"57433243d8676ecc","repo":"xpzouying/xiaohongshu-mcp","slug":"error-574332","errorCode":null,"errorMessage":"创建键盘操作失败","messagePattern":"创建键盘操作失败","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"xiaohongshu/publish.go","lineNumber":697,"sourceCode":"\t\t\t\treturn elem, nil\n\t\t\t}\n\t\t}\n\t}\n\n\treturn findTextboxByPlaceholder(page)\n}\n\nfunc inputTags(ctx context.Context, contentElem *rod.Element, tags []string) error {\n\tif len(tags) == 0 {\n\t\treturn nil\n\t}\n\n\ttime.Sleep(1 * time.Second)\n\n\tfor i := 0; i < 20; i++ {\n\t\tka, err := contentElem.KeyActions()\n\t\tif err != nil {\n\t\t\treturn errors.Wrap(err, \"创建键盘操作失败\")\n\t\t}\n\t\tif err := ka.Type(input.ArrowDown).Do(); err != nil {\n\t\t\treturn errors.Wrap(err, \"按下方向键失败\")\n\t\t}\n\t\ttime.Sleep(10 * time.Millisecond)\n\t}\n\n\tka, err := contentElem.KeyActions()\n\tif err != nil {\n\t\treturn errors.Wrap(err, \"创建键盘操作失败\")\n\t}\n\tif err := ka.Press(input.Enter).Press(input.Enter).Do(); err != nil {\n\t\treturn errors.Wrap(err, \"按下回车键失败\")\n\t}\n\n\ttime.Sleep(1 * time.Second)\n\n\tfor _, tag := range tags {","sourceCodeStart":679,"sourceCodeEnd":715,"githubUrl":"https://github.com/xpzouying/xiaohongshu-mcp/blob/332d196854a9eac0d2b8c2c0e3d0cc43139d724c/xiaohongshu/publish.go#L679-L715","documentation":"This error wraps a failure to create a KeyActions chain on the content editor element while inputTags tries to move the caret down 20 times (arrow-key navigation, likely to move past pasted content). KeyActions() fails when rod cannot start a keyboard action sequence on the element, typically because the element or its page is gone or the CDP input domain errored.","triggerScenarios":"submitPublish/submitPublishVideo call inputTags with tags; inside the 20-iteration ArrowDown loop, contentElem.KeyActions() returns an error — element detached, page closed, or browser session dead.","commonSituations":"Content editor re-rendered (tiptap update) invalidating the element handle; tab closed during publishing; browser crashed under memory pressure; long-running session where the element handle went stale.","solutions":["Re-acquire the content element (getContentElement) before inputTags if the DOM may have re-rendered.","Ensure the page/browser stays open for the whole publish flow.","Retry the publish; stale handles are usually resolved by a fresh run.","Reduce fragile caret-navigation (e.g. click at end of content instead of 20 ArrowDown presses) if errors persist."],"exampleFix":"// before\nfor i := 0; i < 20; i++ {\n    ka, err := contentElem.KeyActions()\n    if err != nil {\n        return errors.Wrap(err, \"创建键盘操作失败\")\n    }\n    ...\n}\n// after\n// refresh element handle before keyboard work\ncontentElem, err = getContentElement(contentElem.Page(), 10*time.Second)\nif err != nil {\n    return err\n}\nfor i := 0; i < 20; i++ {\n    ka, err := contentElem.KeyActions()\n    ...","handlingStrategy":"retry","validationCode":"// ensure the editor element is still attached/visible before keyboard work\nif visible, _ := isElementVisible(contentElem); !visible {\n    return errors.New(\"编辑器不可见，重新获取元素\")\n}","typeGuard":null,"tryCatchPattern":"err := publisher.Publish(ctx, opts)\nif err != nil && strings.Contains(err.Error(), \"创建键盘操作失败\") {\n    // stale element handle: retry publish with a fresh page\n    time.Sleep(2 * time.Second)\n    err = publisher.Publish(ctx, opts)\n}","preventionTips":["Re-acquire element handles after any DOM-affecting step","Avoid closing or navigating the tab during publish","Keep browser memory pressure low for long runs","Batch keyboard steps with minimal unnecessary KeyActions chains"],"tags":["keyboard-input","rod","element-handle","browser-automation","xiaohongshu"],"backgroundTag":"stale-element-handle","analyzedSha":"332d196854a9eac0d2b8c2c0e3d0cc43139d724c","analyzedAt":"2026-09-05T22:22:55.988Z","contentChangedAt":"2026-09-05T22:22:55.988Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}