{ "taskId": "webvoyagerx--Booking--9", "result": { "verdict": "FAILURE", "explanation": "The web task instruction required finding hotels in London for 2 adults, for four days starting December 25, with a price less than $250, and offering at least 3 options. The result response explicitly states 'Task failed: page.evaluate: TypeError: Cannot read properties of null (reading 'querySelectorAll')'. This indicates a technical error occurred during the execution, and no hotels were found or presented. Therefore, none of the sub-components of the task were completed, and the task was not successful.", "agentAnswer": "Task failed: page.evaluate: TypeError: Cannot read properties of null (reading 'querySelectorAll')\n at Object.generateAndRenderAriaTree (eval at (eval at evaluate (:302:30)), :1842:10)\n at eval (eval at evaluate (:302:30), :10:45)\n at UtilityScript.evaluate (:304:16)\n at UtilityScript. (:1:44)", "expectedAnswer": "hotel in London found with price under ~$250/night; 3+ hotel options found; duration 4 days confirmed; starts December 25", "failureClassification": "content_not_rendered", "classificationExplanation": "The agent encountered a TypeError when attempting to call querySelectorAll on a null object, indicating a required element was not present in the DOM. This suggests specific content the agent needed to interact with was not rendered or available on the page.", "events": [ { "event": "task:setup", "timestamp": "2026-05-15T22:04:38.701Z", "data": { "task": "Find hotels for 2 adults in London with a price less than $250 for four days starting from December 25. You must browse the page and offer at least 3 options.", "url": "" } }, { "event": "task:setup", "data": { "task": "Find hotels for 2 adults in London with a price less than 50 for four days starting from December 25. You must browse the page and offer at least 3 options.", "browserName": "playwright:chrome", "url": "https://www.booking.com/", "guardrails": null, "data": null, "pwCdpEndpoint": "(redacted)", "pwCdpEndpoints": [ "(redacted)" ], "pwCdpEndpointCount": -1, "proxy": "", "vision": true }, "timestamp": "2026-05-15T22:04:29.168Z" }, { "event": "cdp:endpoint_connected", "data": { "endpointIndex": 1, "total": 1 }, "timestamp": "2026-05-15T22:04:29.168Z" }, { "event": "agent:processing", "data": { "operation": "Creating task plan", "hasScreenshot": false, "iterationId": "planning" }, "timestamp": "2026-05-15T22:04:29.168Z" }, { "event": "agent:status", "data": { "message": "Creating task plan", "iterationId": "planning" }, "timestamp": "2026-05-15T22:04:29.168Z" }, { "event": "agent:status", "data": { "message": "Task plan created", "plan": "## Navigation Plan\n\n### Overall Strategy\nThis task involves searching for hotels on booking.com, applying specific filters for destination, dates, number of guests, and price, and then comparing the results to identify and present at least three suitable options.\n\n### Step-by-step Plan\n1. **Navigate to Booking.com:** Access the starting URL: https://www.booking.com/.\n2. **Enter Destination:** Input \"London\" into the destination search field.\n3. **Select Dates:** Set the check-in date to December 25, 2026, and the check-out date to December 29, 2026 (for a four-day stay).\n4. **Specify Guests:** Configure the number of adults to 2.\n5. **Initiate Search:** Submit the search query to view available hotels.\n6. **Apply Price Filter:** Locate and apply the price filter to show hotels with a price less than 50 (per night, assuming this is the intended interpretation given the location and duration).\n7. **Identify and Extract Hotel Information:** Browse the filtered results to find at least three hotels that meet all criteria. For each, extract the hotel name and the relevant price information.", "successCriteria": "A great response will include at least three hotel options in London for 2 adults, checking in on December 25, 2026, and staying for four days. For each hotel, it will clearly state the hotel name, the total price for the four-day stay (or the per-night price if a total for the stay is not available and fits the budget constraint), and confirm that it meets all specified criteria, including a price less than 50 (likely per night, as a total of less than 50 for 4 days in London is unrealistic).", "url": "https://www.booking.com/" }, "timestamp": "2026-05-15T22:04:29.168Z" }, { "event": "browser:navigated", "data": { "title": "Booking.com | Official site | The best hotels, flights, car rentals & accommodations", "url": "https://www.booking.com/" }, "timestamp": "2026-05-15T22:04:29.168Z" }, { "event": "task:started", "data": { "task": "Find hotels for 2 adults in London with a price less than 50 for four days starting from December 25. You must browse the page and offer at least 3 options.", "successCriteria": "A great response will include at least three hotel options in London for 2 adults, checking in on December 25, 2026, and staying for four days. For each hotel, it will clearly state the hotel name, the total price for the four-day stay (or the per-night price if a total for the stay is not available and fits the budget constraint), and confirm that it meets all specified criteria, including a price less than 50 (likely per night, as a total of less than 50 for 4 days in London is unrealistic).", "plan": "## Navigation Plan\n\n### Overall Strategy\nThis task involves searching for hotels on booking.com, applying specific filters for destination, dates, number of guests, and price, and then comparing the results to identify and present at least three suitable options.\n\n### Step-by-step Plan\n1. **Navigate to Booking.com:** Access the starting URL: https://www.booking.com/.\n2. **Enter Destination:** Input \"London\" into the destination search field.\n3. **Select Dates:** Set the check-in date to December 25, 2026, and the check-out date to December 29, 2026 (for a four-day stay).\n4. **Specify Guests:** Configure the number of adults to 2.\n5. **Initiate Search:** Submit the search query to view available hotels.\n6. **Apply Price Filter:** Locate and apply the price filter to show hotels with a price less than 50 (per night, assuming this is the intended interpretation given the location and duration).\n7. **Identify and Extract Hotel Information:** Browse the filtered results to find at least three hotels that meet all criteria. For each, extract the hotel name and the relevant price information.", "url": "https://www.booking.com/", "title": "Booking.com | Official site | The best hotels, flights, car rentals & accommodations", "actionItems": [ "Navigate to Booking.com", "Enter London as destination", "Select check-in/out dates", "Set number of adults", "Initiate hotel search", "Apply price filter", "Extract hotel details", "Compile hotel options" ] }, "timestamp": "2026-05-15T22:04:29.168Z" }, { "event": "task:metrics_incremental", "data": { "timestamp": 1778882660138, "iterationId": "xk5JzDJx", "eventCounts": { "task:setup": 1, "cdp:endpoint_connected": 1, "agent:processing": 1, "agent:status": 2, "browser:navigated": 1, "task:started": 1 }, "stepCount": 1, "aiGenerationCount": 0, "aiGenerationErrorCount": 0, "totalInputTokens": 0, "totalOutputTokens": 0 }, "timestamp": 1778882660138 }, { "event": "agent:step", "data": { "iterationId": "xk5JzDJx", "currentIteration": 0 }, "timestamp": "2026-05-15T22:04:29.168Z" }, { "event": "task:metrics", "data": { "timestamp": 1778882660279, "eventCounts": { "task:setup": 1, "cdp:endpoint_connected": 1, "agent:processing": 1, "agent:status": 2, "browser:navigated": 1, "task:started": 1, "task:metrics_incremental": 1, "agent:step": 1 }, "stepCount": 1, "aiGenerationCount": 0, "aiGenerationErrorCount": 0, "totalInputTokens": 0, "totalOutputTokens": 0 }, "timestamp": 1778882660279 }, { "event": "task:completed", "data": { "success": false, "finalAnswer": "Task failed: page.evaluate: TypeError: Cannot read properties of null (reading 'querySelectorAll')\n at Object.generateAndRenderAriaTree (eval at (eval at evaluate (:302:30)), :1842:10)\n at eval (eval at evaluate (:302:30), :10:45)\n at UtilityScript.evaluate (:304:16)\n at UtilityScript. (:1:44)" }, "timestamp": "2026-05-15T22:04:29.168Z" } ], "metadata": { "agentType": "pilo", "eventCount": 11, "attemptNumber": 2, "durationMs": 9548, "stepCount": 1, "agentBuild": { "version": "fb16aafcdf0d910fce9616133894482f2c7497fc", "buildId": "fb16aafcdf0d910fce9616133894482f2c7497fc", "buildDate": "2026-05-15T14:11:25-07:00", "provider": "vertex", "model": "gemini-2.5-flash", "vision": true, "browser": "chrome" } }, "tokenMetrics": { "inputTokens": 0, "outputTokens": 0, "totalTokens": 0 } } }