{"record":{"id":"333767d15edcc009","repo":"unclecode/crawl4ai","slug":"failed-to-crawl-url-e-msg","errorCode":null,"errorMessage":"Failed to crawl {url}: {e.msg}","messagePattern":"Failed to crawl (.+?): (.+?)","errorType":"exception","errorClass":"InvalidArgumentException","httpStatus":null,"severity":"error","filePath":"crawl4ai/legacy/crawler_strategy.py","lineNumber":319,"sourceCode":"\n            # Store in cache\n            cache_file_path = os.path.join(\n                os.getenv(\"CRAWL4_AI_BASE_DIRECTORY\", Path.home()),\n                \".crawl4ai\",\n                \"cache\",\n                url_hash,\n            )\n            with open(cache_file_path, \"w\", encoding=\"utf-8\") as f:\n                f.write(html)\n\n            if self.verbose:\n                print(f\"[LOG] ✅ Crawled {url} successfully!\")\n\n            return html\n        except InvalidArgumentException as e:\n            if not hasattr(e, \"msg\"):\n                e.msg = sanitize_input_encode(str(e))\n            raise InvalidArgumentException(f\"Failed to crawl {url}: {e.msg}\")\n        except WebDriverException as e:\n            # If e does nlt have msg attribute create it and set it to str(e)\n            if not hasattr(e, \"msg\"):\n                e.msg = sanitize_input_encode(str(e))\n            raise WebDriverException(f\"Failed to crawl {url}: {e.msg}\")\n        except Exception as e:\n            if not hasattr(e, \"msg\"):\n                e.msg = sanitize_input_encode(str(e))\n            raise Exception(f\"Failed to crawl {url}: {e.msg}\")\n\n    def take_screenshot(self) -> str:\n        try:\n            # Get the dimensions of the page\n            total_width = self.driver.execute_script(\"return document.body.scrollWidth\")\n            total_height = self.driver.execute_script(\n                \"return document.body.scrollHeight\"\n            )\n","sourceCodeStart":301,"sourceCodeEnd":337,"githubUrl":"https://github.com/unclecode/crawl4ai/blob/7e801521428ee12509994d39151006f64055ebe3/crawl4ai/legacy/crawler_strategy.py#L301-L337","documentation":"Error \"Failed to crawl {url}: {e.msg}\" thrown in unclecode/crawl4ai.","triggerScenarios":"Thrown at crawl4ai/legacy/crawler_strategy.py:319 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Inspect the underlying WebDriver exception message for the root cause (network, timeout, driver crash).","Retry the crawl and ensure the Selenium driver and browser versions are compatible."],"exampleFix":"strategy.crawl(url)  # wrap in try/except and log e.msg","handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"7e801521428ee12509994d39151006f64055ebe3","analyzedAt":"2026-08-14T20:46:20.673Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}