Classification: browser_crash
Generated: 2026-05-16T02:07:24.214Z
Website: Booking
URL: N/A
Question: 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.
Expected Answer: hotel in London found with price under ~$250/night; 3+ hotel options found; duration 4 days confirmed; starts December 25
Agent Answer
Expected Answer
Judge Explanation
Classification Analysis:
The browser's execution context was destroyed during navigation, indicated by the error 'Execution context was destroyed, most likely because of a navigation'. This, combined with very few events (11) and failure at the pre-action stage, suggests the browser process crashed or the tab closed unexpectedly before loading the page.
Token Usage:
Total: 0
Input: 0
Output: 0
Events: 11
Duration: 8.3s
Event: task:setup
Timestamp: 2026-05-16T00:37:44.587Z
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
Timestamp: 2026-05-16T00:37:36.339Z
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
}
Event: cdp:endpoint_connected
Timestamp: 2026-05-16T00:37:36.339Z
Data:
{
"endpointIndex": 1,
"total": 1
}
Event: agent:processing
Timestamp: 2026-05-16T00:37:36.339Z
Data:
{
"operation": "Creating task plan",
"hasScreenshot": false,
"iterationId": "planning"
}
Event: agent:status
Timestamp: 2026-05-16T00:37:36.339Z
Data:
{
"message": "Creating task plan",
"iterationId": "planning"
}
Event: agent:status
Timestamp: 2026-05-16T00:37:36.339Z
Data:
{
"message": "Task plan created",
"plan": "## Overall Strategy\nThis task involves searching and filtering hotels on booking.com based on specific criteria (location, dates, number of guests, and price) and then extracting a minimum of three suitable options. It is a search and comparison task.\n\n## Navigation Plan\n1. Go to the provided URL: https://www.booking.com/.\n2. Enter \"London\" as the destination.\n3. Select the check-in date as December 25, 2026, and the check-out date as December 29, 2026.\n4. Set the number of adults to 2.\n5. Apply a price filter to display hotels with a price less than 50 (per night).\n6. Examine the search results to find at least three distinct hotel options that satisfy all specified conditions.\n7. For each qualifying hotel, gather its name and confirmed price.\n8. Present the collected hotel information, ensuring at least three options are provided.",
"successCriteria": "The response must include at least 3 hotel options in London that meet the following criteria: available for 2 adults, for four days (December 25, 2026 - December 29, 2026), and priced at less than 50 per night. Each option should clearly state its name and price. The response should also confirm the search parameters used.",
"url": "https://www.booking.com/"
}
Event: browser:navigated
Timestamp: 2026-05-16T00:37:36.339Z
Data:
{
"title": "Loading https://www.booking.com/",
"url": "https://www.booking.com/"
}
Event: task:started
Timestamp: 2026-05-16T00:37:36.339Z
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": "The response must include at least 3 hotel options in London that meet the following criteria: available for 2 adults, for four days (December 25, 2026 - December 29, 2026), and priced at less than 50 per night. Each option should clearly state its name and price. The response should also confirm the search parameters used.",
"plan": "## Overall Strategy\nThis task involves searching and filtering hotels on booking.com based on specific criteria (location, dates, number of guests, and price) and then extracting a minimum of three suitable options. It is a search and comparison task.\n\n## Navigation Plan\n1. Go to the provided URL: https://www.booking.com/.\n2. Enter \"London\" as the destination.\n3. Select the check-in date as December 25, 2026, and the check-out date as December 29, 2026.\n4. Set the number of adults to 2.\n5. Apply a price filter to display hotels with a price less than 50 (per night).\n6. Examine the search results to find at least three distinct hotel options that satisfy all specified conditions.\n7. For each qualifying hotel, gather its name and confirmed price.\n8. Present the collected hotel information, ensuring at least three options are provided.",
"url": "https://www.booking.com/",
"title": "Loading https://www.booking.com/",
"actionItems": [
"Navigate to Booking.com",
"Enter search criteria",
"Apply price filter",
"Identify 3+ hotels",
"Extract hotel details"
]
}
Event: task:metrics_incremental
Timestamp: 1778891844871
Data:
{
"timestamp": 1778891844871,
"iterationId": "14Bp0IbQ",
"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
}
Event: agent:step
Timestamp: 2026-05-16T00:37:36.339Z
Data:
{
"iterationId": "14Bp0IbQ",
"currentIteration": 0
}
Event: task:metrics
Timestamp: 1778891844924
Data:
{
"timestamp": 1778891844924,
"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
}
Event: task:completed
Timestamp: 2026-05-16T00:37:36.339Z
Data:
{
"success": false,
"finalAnswer": "Task failed: page.evaluate: Execution context was destroyed, most likely because of a navigation"
}