{"record":{"id":"d76017f3c4b25399","repo":"GopeedLab/gopeed","slug":"unknown-method","errorCode":"UNKNOWN_METHOD","errorMessage":"unknown method: $method","messagePattern":"unknown method: \\$method","errorType":"error_code","errorClass":"WebViewRpcException","httpStatus":null,"severity":"error","filePath":"ui/flutter/lib/app/rpc/webview_rpc_service.dart","lineNumber":177,"sourceCode":"          (_list(params, 'args') ?? const []),\n        );\n      case 'page.getCookies':\n        return _page(params).getCookies();\n      case 'page.setCookie':\n        await _page(params).setCookie(_cookie(params));\n        return {};\n      case 'page.deleteCookie':\n        await _page(params).deleteCookie(_cookie(params));\n        return {};\n      case 'page.clearCookies':\n        await _page(params).clearCookies();\n        return {};\n      case 'page.close':\n        await _closePage(_pageId(params));\n        return {};\n      default:\n        throw WebViewRpcException(\n          code: 'UNKNOWN_METHOD',\n          message: 'unknown method: $method',\n        );\n    }\n  }\n\n  Future<Map<String, dynamic>> _openPage(Map<String, dynamic> params) async {\n    final pageId = 'page-${++_pageSeq}';\n    final session = WebViewRpcPageSession(\n      pageId: pageId,\n      cookieManager: _cookieManager,\n      headless: params['headless'] as bool? ?? false,\n      debug: params['debug'] as bool? ?? false,\n      title: params['title'] as String? ?? '',\n      width: (params['width'] as num?)?.toInt() ?? 1280,\n      height: (params['height'] as num?)?.toInt() ?? 800,\n      userAgent: params['userAgent'] as String? ?? '',\n    );\n    _pagesById[pageId] = session;","sourceCodeStart":159,"sourceCodeEnd":195,"githubUrl":"https://github.com/GopeedLab/gopeed/blob/7b7327ffb30816273a74b142cccc0bc10c5a4c67/ui/flutter/lib/app/rpc/webview_rpc_service.dart#L159-L195","documentation":"Error \"unknown method: $method\" thrown in GopeedLab/gopeed.","triggerScenarios":"Thrown at ui/flutter/lib/app/rpc/webview_rpc_service.dart:177 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"7b7327ffb30816273a74b142cccc0bc10c5a4c67","analyzedAt":"2026-08-16T02:51:03.250Z","schemaVersion":2},"datasetVersion":"2026-08-16T03:17:38.424Z"}