Demo mode

All errors

Filter by (UTC)

Errors

all resolved unresolved

URL Shortener

main.RateLimitExceeded

rate limit exceeded for IP 203.0.113.52

13s ago

5,841

URL Shortener

*json.SyntaxError

unexpected end of JSON input

15s ago

5,732

URL Shortener

main.InvalidURL

invalid URL: invalid URL escape "%XX"

17s ago

5,870

URL Shortener

main.RecordNotFound

record not found for short_code=_LPttwx5Wn

19s ago

11,459

URL Shortener

*errors.errorString

redis: cannot connect to redis (dial tcp 127.0.0.1:6379: connect: connection refused)

54s ago

5,746

URL Shortener

*errors.errorString

original URL unreachable: Get "https://blocked-site.ru/...": dial tcp: lookup blocked-site.ru: no such host

56s ago

5,957

URL Shortener

*errors.errorString

pq: duplicate key value violates unique constraint "urls_short_code_idx"

58s ago

5,790

URL Shortener

main.ShortCodeCollision

failed to generate unique short code after 10 attempts

3m ago

5,762

Fitness Tracker

HKErrorDomain

HealthKit authorization denied for heart rate

5m ago

9,845

Fitness Tracker

CLErrorDomain

Location permission denied

6m ago

9,768

Fitness Tracker

WatchConnectivity

Apple Watch not reachable

6m ago

9,852

Fitness Tracker

FitnessTracker.Calculation

Division by zero in calorie burn estimation

7m ago

9,983

Fitness Tracker

FitnessTracker.Network

Workout upload failed: The network connection was lost.

7m ago

9,909

Fitness Tracker

FitnessTracker.CoreData

Could not save workout to persistent store

7m ago

9,809

Fitness Tracker

FitnessTracker.API

Rate limit exceeded – too many requests

7m ago

10,148

E-Commerce Store

RuntimeError

Timeout::Error: Execution expired during payment processing (RuntimeError)

9m ago

5,106

E-Commerce Store

RuntimeError

PG::ConnectionBad: PG::ConnectionBad: could not connect to server (RuntimeError)

10m ago

5,279

E-Commerce Store

RuntimeError

RuntimeError: Coupon code 'expired_card' is invalid or expired (RuntimeError)

13m ago

5,257

E-Commerce Store

RuntimeError

ActiveRecord::RecordInvalid: Validation failed: Email has already been taken (RuntimeError)

13m ago

5,271

E-Commerce Store

RuntimeError

RuntimeError: Insufficient stock for product '1' (requested: 0, available: 9354) (RuntimeError)

13m ago

5,237

Task Manager

IllegalStateException

java.lang.IllegalStateException: Task 7309ms is already completed – cannot modify

13m ago

4,882

Task Manager

RuntimeException

org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Unexpected character ('}' at position 123)

13m ago

5,010

Task Manager

RuntimeException

org.springframework.orm.jpa.JpaObjectRetrievalFailureException: Unable to find com.taskmanager.entity.Task with id Implement OAuth2 login

14m ago

4,951

Task Manager

RuntimeException

org.quartz.JobExecutionException: Failed to schedule reminder job for task 127.0.0.1

14m ago

4,830

E-Commerce Store

RuntimeError

ActionController::RoutingError: No route matches [GET] "/products/1" (RuntimeError)

15m ago

5,206

E-Commerce Store

RuntimeError

ActiveJob::DeserializationError: ActiveJob::DeserializationError: Error while deserializing argument (RuntimeError)

15m ago

5,286

Task Manager

RuntimeException

org.springframework.transaction.TransactionTimedOutException: Transaction timed out while assigning task 2025-13-01

15m ago

4,970

Task Manager

RuntimeException

org.springframework.web.bind.MethodArgumentNotValidException: Validation failed: title cannot be blank

15m ago

4,956

E-Commerce Store

RuntimeError

Redis::CannotConnectError: Redis::CannotConnectError: Error connecting to Redis (RuntimeError)

15m ago

5,257

E-Commerce Store

RuntimeError

ActiveRecord::RecordNotFound: Couldn't find Product with 'id'=invalid_cvc (RuntimeError)

16m ago

5,184

E-Commerce Store

RuntimeError

RuntimeError: Payment failed: Invalid CVC (RuntimeError)

16m ago

5,214

E-Commerce Store

RuntimeError

RuntimeError: Payment failed: Your card was declined (RuntimeError)

16m ago

5,340

Task Manager

RuntimeException

jakarta.validation.ConstraintViolationException: updateTask.dueDate: must be a date in the future

16m ago

4,883

E-Commerce Store

RuntimeError

ActiveRecord::RecordNotFound: Couldn't find Variant with 'id'=2 (RuntimeError)

16m ago

5,313

E-Commerce Store

RuntimeError

Stripe::InvalidRequestError: Stripe::InvalidRequestError: Invalid positive integer (RuntimeError)

16m ago

5,223

Task Manager

RuntimeException

org.springframework.web.method.annotation.MethodArgumentTypeMismatchException: Failed to convert 'java.lang.String' to 'java.lang.Long' for parameter 'id'

17m ago

4,677

Task Manager

RuntimeException

org.springframework.dao.DataIntegrityViolationException: could not execute statement { constraint: uk_task_title_project_id }

18m ago

5,091

Task Manager

RuntimeException

org.springframework.data.redis.RedisConnectionFailureException: Unable to connect to Redis at user_657:6379

19m ago

4,852

Task Manager

NullPointerException

java.lang.NullPointerException: Cannot invoke "com.taskmanager.entity.Task.getAssignee()" because "getProject()" is null

19m ago

5,031

Task Manager

RuntimeException

com.fasterxml.jackson.databind.JsonMappingException: Cannot deserialize `java.time.LocalDate` from String "user_637": expected yyyy-MM-dd

19m ago

5,122

E-Commerce Store

RuntimeError

ActiveRecord::RecordInvalid: Validation failed: Shipping address can't be blank (RuntimeError)

19m ago

5,208

Task Manager

SQLTimeoutException

java.sql.SQLTimeoutException: Timeout after 2025-13-01ms while acquiring connection from pool

20m ago

4,979

Inventory System

InventoryException

Stock update failed: Optimistic concurrency conflict on item #A4872

21m ago

9,849

Inventory System

InventoryException

API rate limit exceeded – external supplier sync

22m ago

9,905

Inventory System

InventoryException

Out of stock prevention failed – race condition allowed negative inventory

22m ago

9,662

Inventory System

InventoryException

Barcode scanner timeout – device disconnected

23m ago

9,857

Inventory System

InventoryException

Database deadlock detected during bulk stock receipt

24m ago

9,776

Inventory System

InventoryException

Warehouse location not found: WH-09-BIN-404

27m ago

9,888

Inventory System

InventoryException

Serialization failed: Cannot deserialize ProductVariant with null SKU

27m ago

9,895

Chat Frontend

RangeError

Variant: Message history index out of range (endpoint messages)

30m ago

5,808

Project	Error	Reports	Seen
URL Shortener	main.RateLimitExceeded rate limit exceeded for IP 203.0.113.52	5,841	14s ago Nov 15 Last seen: 2026-01-17 20:01:40 UTC First seen: 2025-11-15 17:54:36 UTC
URL Shortener	*json.SyntaxError unexpected end of JSON input	5,732	16s ago Nov 15 Last seen: 2026-01-17 20:01:38 UTC First seen: 2025-11-15 17:57:12 UTC
URL Shortener	main.InvalidURL invalid URL: invalid URL escape "%XX"	5,870	18s ago Nov 15 Last seen: 2026-01-17 20:01:36 UTC First seen: 2025-11-15 17:56:35 UTC
URL Shortener	main.RecordNotFound record not found for short_code=_LPttwx5Wn	11,459	20s ago Nov 15 Last seen: 2026-01-17 20:01:34 UTC First seen: 2025-11-15 17:56:25 UTC
URL Shortener	*errors.errorString redis: cannot connect to redis (dial tcp 127.0.0.1:6379: connect: connection refused)	5,746	55s ago Nov 15 Last seen: 2026-01-17 20:00:59 UTC First seen: 2025-11-15 17:54:35 UTC
URL Shortener	*errors.errorString original URL unreachable: Get "https://blocked-site.ru/...": dial tcp: lookup blocked-site.ru: no such host	5,957	57s ago Nov 15 Last seen: 2026-01-17 20:00:57 UTC First seen: 2025-11-15 17:56:29 UTC
URL Shortener	*errors.errorString pq: duplicate key value violates unique constraint "urls_short_code_idx"	5,790	59s ago Nov 15 Last seen: 2026-01-17 20:00:55 UTC First seen: 2025-11-15 17:56:27 UTC
URL Shortener	main.ShortCodeCollision failed to generate unique short code after 10 attempts	5,762	3m ago Nov 15 Last seen: 2026-01-17 19:58:31 UTC First seen: 2025-11-15 17:55:08 UTC
Fitness Tracker	HKErrorDomain HealthKit authorization denied for heart rate	9,845	5m ago Nov 15 Last seen: 2026-01-17 19:55:59 UTC First seen: 2025-11-15 13:11:32 UTC
Fitness Tracker	CLErrorDomain Location permission denied	9,768	6m ago Nov 15 Last seen: 2026-01-17 19:55:27 UTC First seen: 2025-11-15 13:12:12 UTC
Fitness Tracker	Muted by: Demo User resumes in about 2 months WatchConnectivity Apple Watch not reachable	9,852	6m ago Nov 15 Last seen: 2026-01-17 19:55:27 UTC First seen: 2025-11-15 13:15:38 UTC
Fitness Tracker	FitnessTracker.Calculation Division by zero in calorie burn estimation	9,983	7m ago Nov 15 Last seen: 2026-01-17 19:54:46 UTC First seen: 2025-11-15 13:14:51 UTC
Fitness Tracker	FitnessTracker.Network Workout upload failed: The network connection was lost.	9,909	7m ago Nov 15 Last seen: 2026-01-17 19:54:45 UTC First seen: 2025-11-15 13:11:29 UTC
Fitness Tracker	FitnessTracker.CoreData Could not save workout to persistent store	9,809	7m ago Nov 15 Last seen: 2026-01-17 19:54:43 UTC First seen: 2025-11-15 13:11:34 UTC
Fitness Tracker	FitnessTracker.API Rate limit exceeded – too many requests	10,148	7m ago Nov 15 Last seen: 2026-01-17 19:54:00 UTC First seen: 2025-11-15 13:11:31 UTC
E-Commerce Store	RuntimeError Timeout::Error: Execution expired during payment processing (RuntimeError)	5,106	9m ago Nov 15 Last seen: 2026-01-17 19:52:36 UTC First seen: 2025-11-15 18:41:30 UTC
E-Commerce Store	RuntimeError PG::ConnectionBad: PG::ConnectionBad: could not connect to server (RuntimeError)	5,279	10m ago Nov 15 Last seen: 2026-01-17 19:51:30 UTC First seen: 2025-11-15 18:38:22 UTC
E-Commerce Store	RuntimeError RuntimeError: Coupon code 'expired_card' is invalid or expired (RuntimeError)	5,257	13m ago Nov 15 Last seen: 2026-01-17 19:48:44 UTC First seen: 2025-11-15 18:38:20 UTC
E-Commerce Store	RuntimeError ActiveRecord::RecordInvalid: Validation failed: Email has already been taken (RuntimeError)	5,271	13m ago Nov 15 Last seen: 2026-01-17 19:48:42 UTC First seen: 2025-11-15 18:36:46 UTC
E-Commerce Store	RuntimeError RuntimeError: Insufficient stock for product '1' (requested: 0, available: 9354) (RuntimeError)	5,237	13m ago Nov 15 Last seen: 2026-01-17 19:48:41 UTC First seen: 2025-11-15 18:40:14 UTC
Task Manager	IllegalStateException java.lang.IllegalStateException: Task 7309ms is already completed – cannot modify	4,882	13m ago Dec 3 Last seen: 2026-01-17 19:48:34 UTC First seen: 2025-12-03 13:19:12 UTC
Task Manager	RuntimeException org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Unexpected character ('}' at position 123)	5,010	13m ago Nov 15 Last seen: 2026-01-17 19:48:32 UTC First seen: 2025-11-15 19:27:22 UTC
Task Manager	RuntimeException org.springframework.orm.jpa.JpaObjectRetrievalFailureException: Unable to find com.taskmanager.entity.Task with id Implement OAuth2 login	4,951	14m ago Nov 15 Last seen: 2026-01-17 19:47:10 UTC First seen: 2025-11-15 19:28:51 UTC
Task Manager	RuntimeException org.quartz.JobExecutionException: Failed to schedule reminder job for task 127.0.0.1	4,830	14m ago Nov 15 Last seen: 2026-01-17 19:47:08 UTC First seen: 2025-11-15 19:24:50 UTC
E-Commerce Store	RuntimeError ActionController::RoutingError: No route matches [GET] "/products/1" (RuntimeError)	5,206	15m ago Nov 15 Last seen: 2026-01-17 19:46:29 UTC First seen: 2025-11-15 18:40:23 UTC
E-Commerce Store	RuntimeError ActiveJob::DeserializationError: ActiveJob::DeserializationError: Error while deserializing argument (RuntimeError)	5,286	15m ago Nov 15 Last seen: 2026-01-17 19:46:27 UTC First seen: 2025-11-15 18:41:32 UTC
Task Manager	RuntimeException org.springframework.transaction.TransactionTimedOutException: Transaction timed out while assigning task 2025-13-01	4,970	15m ago Nov 15 Last seen: 2026-01-17 19:46:25 UTC First seen: 2025-11-15 19:24:52 UTC
Task Manager	RuntimeException org.springframework.web.bind.MethodArgumentNotValidException: Validation failed: title cannot be blank	4,956	15m ago Nov 15 Last seen: 2026-01-17 19:46:21 UTC First seen: 2025-11-15 19:28:45 UTC
E-Commerce Store	RuntimeError Redis::CannotConnectError: Redis::CannotConnectError: Error connecting to Redis (RuntimeError)	5,257	15m ago Nov 15 Last seen: 2026-01-17 19:45:55 UTC First seen: 2025-11-15 19:46:12 UTC
E-Commerce Store	RuntimeError ActiveRecord::RecordNotFound: Couldn't find Product with 'id'=invalid_cvc (RuntimeError)	5,184	16m ago Nov 15 Last seen: 2026-01-17 19:45:49 UTC First seen: 2025-11-15 18:38:16 UTC
E-Commerce Store	RuntimeError RuntimeError: Payment failed: Invalid CVC (RuntimeError)	5,214	16m ago Nov 15 Last seen: 2026-01-17 19:45:48 UTC First seen: 2025-11-15 19:46:17 UTC
E-Commerce Store	RuntimeError RuntimeError: Payment failed: Your card was declined (RuntimeError)	5,340	16m ago Nov 15 Last seen: 2026-01-17 19:45:47 UTC First seen: 2025-11-15 18:43:03 UTC
Task Manager	RuntimeException jakarta.validation.ConstraintViolationException: updateTask.dueDate: must be a date in the future	4,883	16m ago Nov 15 Last seen: 2026-01-17 19:45:18 UTC First seen: 2025-11-15 19:26:38 UTC
E-Commerce Store	RuntimeError ActiveRecord::RecordNotFound: Couldn't find Variant with 'id'=2 (RuntimeError)	5,313	16m ago Nov 15 Last seen: 2026-01-17 19:45:12 UTC First seen: 2025-11-15 18:43:00 UTC
E-Commerce Store	RuntimeError Stripe::InvalidRequestError: Stripe::InvalidRequestError: Invalid positive integer (RuntimeError)	5,223	16m ago Nov 15 Last seen: 2026-01-17 19:45:04 UTC First seen: 2025-11-15 18:44:51 UTC
Task Manager	RuntimeException org.springframework.web.method.annotation.MethodArgumentTypeMismatchException: Failed to convert 'java.lang.String' to 'java.lang.Long' for parameter 'id'	4,677	17m ago Nov 15 Last seen: 2026-01-17 19:44:13 UTC First seen: 2025-11-15 19:27:27 UTC
Task Manager	RuntimeException org.springframework.dao.DataIntegrityViolationException: could not execute statement { constraint: uk_task_title_project_id }	5,091	18m ago Nov 15 Last seen: 2026-01-17 19:43:00 UTC First seen: 2025-11-15 19:25:34 UTC
Task Manager	RuntimeException org.springframework.data.redis.RedisConnectionFailureException: Unable to connect to Redis at user_657:6379	4,852	19m ago Nov 15 Last seen: 2026-01-17 19:42:50 UTC First seen: 2025-11-15 19:24:55 UTC
Task Manager	NullPointerException java.lang.NullPointerException: Cannot invoke "com.taskmanager.entity.Task.getAssignee()" because "getProject()" is null	5,031	19m ago Nov 15 Last seen: 2026-01-17 19:42:46 UTC First seen: 2025-11-15 19:27:19 UTC
Task Manager	RuntimeException com.fasterxml.jackson.databind.JsonMappingException: Cannot deserialize `java.time.LocalDate` from String "user_637": expected yyyy-MM-dd	5,122	19m ago Dec 3 Last seen: 2026-01-17 19:42:42 UTC First seen: 2025-12-03 13:19:10 UTC
E-Commerce Store	RuntimeError ActiveRecord::RecordInvalid: Validation failed: Shipping address can't be blank (RuntimeError)	5,208	19m ago Nov 15 Last seen: 2026-01-17 19:42:16 UTC First seen: 2025-11-15 18:38:17 UTC
Task Manager	SQLTimeoutException java.sql.SQLTimeoutException: Timeout after 2025-13-01ms while acquiring connection from pool	4,979	20m ago Nov 15 Last seen: 2026-01-17 19:41:31 UTC First seen: 2025-11-15 19:24:49 UTC
Inventory System	InventoryException Stock update failed: Optimistic concurrency conflict on item #A4872	9,849	21m ago Nov 15 Last seen: 2026-01-17 19:40:34 UTC First seen: 2025-11-15 14:18:11 UTC
Inventory System	InventoryException API rate limit exceeded – external supplier sync	9,905	22m ago Nov 15 Last seen: 2026-01-17 19:39:47 UTC First seen: 2025-11-15 14:18:05 UTC
Inventory System	InventoryException Out of stock prevention failed – race condition allowed negative inventory	9,662	22m ago Nov 15 Last seen: 2026-01-17 19:39:45 UTC First seen: 2025-11-15 14:18:46 UTC
Inventory System	InventoryException Barcode scanner timeout – device disconnected	9,857	23m ago Nov 15 Last seen: 2026-01-17 19:37:56 UTC First seen: 2025-11-15 14:18:07 UTC
Inventory System	InventoryException Database deadlock detected during bulk stock receipt	9,776	24m ago Nov 15 Last seen: 2026-01-17 19:37:54 UTC First seen: 2025-11-15 14:18:02 UTC
Inventory System	InventoryException Warehouse location not found: WH-09-BIN-404	9,888	27m ago Nov 15 Last seen: 2026-01-17 19:34:53 UTC First seen: 2025-11-15 14:20:40 UTC
Inventory System	InventoryException Serialization failed: Cannot deserialize ProductVariant with null SKU	9,895	27m ago Nov 15 Last seen: 2026-01-17 19:34:45 UTC First seen: 2025-11-15 14:18:12 UTC
Chat Frontend	RangeError Variant: Message history index out of range (endpoint messages)	5,808	30m ago Nov 13 Last seen: 2026-01-17 19:31:12 UTC First seen: 2025-11-13 08:55:24 UTC