{"record":{"id":"4603ef0c97ae849d","repo":"Mintplex-Labs/anything-llm","slug":"there-was-no-content-to-be-collected-or-read","errorCode":null,"errorMessage":"There was no content to be collected or read.","messagePattern":"There was no content to be collected or read\\.","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"server/utils/agentFlows/executors/web-scraping.js","lineNumber":40,"sourceCode":"\n  const captureMode = captureAs === \"querySelector\" ? \"html\" : captureAs;\n  introspect(`Scraping the content of ${url} as ${captureAs}`);\n  const { success, content } = await new CollectorApi()\n    .getLinkContent(url, captureMode)\n    .then((res) => {\n      if (captureAs !== \"querySelector\") return res;\n      return parseHTMLwithSelector(res.content, config.querySelector, context);\n    });\n\n  if (!success) {\n    introspect(`Could not scrape ${url}. Cannot use this page's content.`);\n    throw new Error(\"URL could not be scraped and no content was found.\");\n  }\n\n  introspect(`Successfully scraped content from ${url}`);\n  if (!content || content?.length === 0) {\n    introspect(\"There was no content to be collected or read.\");\n    throw new Error(\"There was no content to be collected or read.\");\n  }\n\n  if (!enableSummarization) {\n    logger(`Returning raw content as summarization is disabled`);\n    return content;\n  }\n\n  const tokenCount = new TokenManager(\n    aibitat.defaultProvider.model\n  ).countFromString(content);\n  const contextLimit = Provider.contextLimit(\n    aibitat.defaultProvider.provider,\n    aibitat.defaultProvider.model\n  );\n\n  if (tokenCount < contextLimit) {\n    logger(\n      `Content within token limit (${tokenCount}/${contextLimit}). Returning raw content.`","sourceCodeStart":22,"sourceCodeEnd":58,"githubUrl":"https://github.com/Mintplex-Labs/anything-llm/blob/3aec848f2885144aa8f1e53b9731a04310d5d558/server/utils/agentFlows/executors/web-scraping.js#L22-L58","documentation":"Thrown by executeWebScraping when the scrape succeeded (success: true) but `content` is null, undefined, or an empty array/string — the page returned a 200 with nothing extractable in the chosen capture mode. Distinct from the previous error: the fetch worked; the extraction came back empty. In querySelector mode this also happens when the selector matches no elements.","triggerScenarios":"captureAs=text on a page whose body has no text nodes; captureAs=querySelector with a selector that matches nothing (content parsed from HTML is empty); binary or unsupported content-type pages; pages that serve an empty shell to non-JS clients.","commonSituations":"Selector copied from devtools after JS modified the DOM, so the static HTML the collector sees has no such element; SPA root div with no content; PDF/image URL given to a text scrape; site serves empty body to unknown user agents.","solutions":["Switch captureAs from querySelector to text to see whether any text exists at all.","If using a selector, pick one present in the raw HTML (view-source), not one produced by client-side JS.","Try captureAs=html and inspect what the collector actually received.","For JS-only pages, target the site's underlying API endpoint instead of the rendered page."],"exampleFix":"// before: web scraping block config\n{ \"captureAs\": \"querySelector\", \"querySelector\": \".user-name\", \"url\": \"https://example.com/profile\" }\n// JS-rendered page -> Error: There was no content to be collected or read.\n\n// after\n{ \"captureAs\": \"text\", \"url\": \"https://example.com/profile\" }","handlingStrategy":"fallback","validationCode":null,"typeGuard":null,"tryCatchPattern":"try {\n  content = await scrape(url, { captureAs: \"text\" });\n} catch (e) {\n  if (/no content to be collected/.test(e.message)) {\n    // fallback: try the raw HTML and/or alternate selector before giving up\n    content = await scrape(url, { captureAs: \"html\", enableSummarization: false });\n    if (!content) throw e;\n  } else throw e;\n}","preventionTips":["Choose CSS selectors that exist in the server-rendered HTML (view-source), not the post-JS DOM.","Test capture modes (text vs html vs querySelector) once per site template before production use.","Disable summarization while debugging so you can see exactly what the collector extracted."],"tags":["agent-flows","web-scraping","empty-response","css-selector"],"backgroundTag":"web-scraping-failed","analyzedSha":"3aec848f2885144aa8f1e53b9731a04310d5d558","analyzedAt":"2026-08-18T10:02:21.017Z","contentChangedAt":"2026-08-18T10:02:21.017Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}