{"record":{"id":"fe1216dc4708fc7f","repo":"datawhalechina/hello-agents","slug":"validator-agent-str-e","errorCode":null,"errorMessage":"Validator Agent执行失败: {str(e)}","messagePattern":"Validator Agent执行失败: (.+?)","errorType":"exception","errorClass":"AgentException","httpStatus":500,"severity":"error","filePath":"Co-creation-projects/Apricity-InnocoreAI/agents/validator.py","lineNumber":79,"sourceCode":"            \n            # 4. 缓存结果\n            await self._cache_citation_results(final_citations)\n            \n            self.set_state(\"completed\")\n            \n            return {\n                \"status\": \"success\",\n                \"paper_info\": paper_info,\n                \"citations\": final_citations,\n                \"verification\": verification_result,\n                \"formats_generated\": list(citations.keys()),\n                \"verification_status\": verification_result.get(\"status\", \"unknown\"),\n                \"timestamp\": datetime.now().isoformat()\n            }\n            \n        except Exception as e:\n            self.set_state(\"error\")\n            raise AgentException(f\"Validator Agent执行失败: {str(e)}\")\n    \n    def get_required_fields(self) -> List[str]:\n        \"\"\"获取必需的输入字段\"\"\"\n        return [\"paper_info\"]\n    \n    async def _generate_citations(self, paper_info: Dict, formats: List[str]) -> Dict[str, Any]:\n        \"\"\"生成多种格式的引用\"\"\"\n        citations = {}\n        \n        for format_type in formats:\n            try:\n                if format_type.lower() == \"bibtex\":\n                    citations[\"bibtex\"] = await self._generate_bibtex_citation(paper_info)\n                elif format_type.lower() == \"apa\":\n                    citations[\"apa\"] = await self._generate_apa_citation(paper_info)\n                elif format_type.lower() == \"ieee\":\n                    citations[\"ieee\"] = await self._generate_ieee_citation(paper_info)\n                else:","sourceCodeStart":61,"sourceCodeEnd":97,"githubUrl":"https://github.com/datawhalechina/hello-agents/blob/606a07d341a47be773fab7f4b71177f53f96b2c3/Co-creation-projects/Apricity-InnocoreAI/agents/validator.py#L61-L97","documentation":"Catch-all in ValidatorAgent.run wrapping failures of citation generation (_generate_citations across formats like bibtex) or citation verification. The original message rides in the suffix; common roots are paper_info records missing fields a format builder assumes (year, authors, venue) and verification endpoints being unreachable.","triggerScenarios":"run({'paper_info': {...}}) where paper_info lacks 'authors' or 'year' so a bibtex/GB/T f-string raises KeyError/AttributeError; DOI-verification HTTP calls failing; paper_info passed as a list or string instead of dict causing type errors in builders.","commonSituations":"Passing raw arXiv API dicts (IEEE shape differs: authors nested under authors.authors) straight into validator; optional fields never populated for older DB rows; verification service blocked by firewall.","solutions":["Check the suffix for the exact field/endpoint that failed and normalize paper_info before calling validator.","Build paper_info with guaranteed keys: id, title, authors (list of names), year, venue, doi (may be empty).","Inside _generate_citations, use paper_info.get('year', 'n.d.') style defaults so one missing field degrades that format, not the whole run.","Re-raise typed exceptions unchanged and add 'from e'.","Unit-test each citation format against a minimal valid paper_info fixture."],"exampleFix":"# before\nexcept Exception as e:\n    self.set_state(\"error\")\n    raise AgentException(f\"Validator Agent执行失败: {str(e)}\")\n\n# after — normalize input + non-fatal per-format failures\npaper_info = {\n    **raw_info,\n    \"authors\": [a if isinstance(a, str) else a.get(\"name\", \"\") for a in raw_info.get(\"authors\", [])],\n    \"year\": raw_info.get(\"year\") or \"n.d.\",\n}\nfor fmt in formats:\n    try:\n        citations[fmt] = build(fmt, paper_info)\n    except Exception as e:  # one bad format never kills the run\n        logger.warning(f\"格式 {fmt} 生成失败: {e}\")","handlingStrategy":"validation","validationCode":"# Normalize paper_info into the shape validator expects before calling\nrequired = {\"id\", \"title\", \"authors\", \"year\"}\nnormalized = {\n    \"id\": raw.get(\"id\", \"\"),\n    \"title\": raw.get(\"title\", \"\"),\n    \"authors\": [a if isinstance(a, str) else a.get(\"full_name\", a.get(\"name\", \"\"))\n                for a in raw.get(\"authors\", [])],\n    \"year\": raw.get(\"year\") or (raw.get(\"published\", \"\")[:4] or \"n.d.\"),\n    \"doi\": raw.get(\"doi\", \"\"),\n}\nmissing = required - {k for k, v in normalized.items() if v}\nif missing:\n    raise ValueError(f\"paper_info missing: {sorted(missing)}\")","typeGuard":"def is_valid_paper_info(v) -> bool:\n    return (\n        isinstance(v, dict)\n        and isinstance(v.get(\"title\"), str) and v[\"title\"]\n        and isinstance(v.get(\"authors\"), list)\n    )","tryCatchPattern":"try:\n    result = await validator.run({\"paper_info\": info})\nexcept AgentException as e:\n    if \"Validator Agent执行失败\" in str(e):\n        logger.error(\"citation failure: %s\", e, exc_info=True)\n        # citations are additive — fail soft, keep the rest of the workflow\n        result = {\"status\": \"partial\", \"citations\": {}, \"error\": str(e)}\n    else:\n        raise","preventionTips":["Normalize author lists (arXiv vs IEEE shapes differ) into plain name strings before validating.","Default optional fields (year, venue, doi) instead of letting format builders KeyError.","Treat citation generation as non-fatal in the workflow — degrade per-format, not per-run."],"tags":["python","agent","error-wrapping","citation","data-normalization"],"backgroundTag":null,"analyzedSha":"606a07d341a47be773fab7f4b71177f53f96b2c3","analyzedAt":"2026-08-14T22:57:27.446Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}