Error Codes

This document lists all error codes that can be returned by our API.

Troubleshooting

When encountering an error, follow these general steps:

1. Identify the Error Code

   • Check the error code in the response or logs to understand the nature of the issue.

2. Refer to Documentation

   • Check this document to find the description and recommended actions for the specific error code.

3. Troubleshoot

   • Follow the provided recommendations to troubleshoot and resolve the issue.

4. Contact Support:

   • If the problem persists, open a GitHub issue with details, including the error code and steps to reproduce.

Error Schema

When an error occurs, the response body will contain the following information.

{
  "error": {
    "code": 5002,
    "message": "failed to update promise",
    "details": [
      {
        "@type": "ServerError",
        "message": "attempt to write a readonly database",
        "domain": "server",
        "metadata": {
          "url": "https://docs.resonatehq.io/reference/error-codes#5002"
        }
      }
    ]
  }
}

The code field can be used to programmatically identify the error. The message and details provide a human readable description of what went wrong.

The details provide structured diagnostic data such as the originating subsystem and links to documentation which can assist in debugging and troubleshooting.

Request Errors (4000-4999)

Request errors signify problems with the request. Generally, retrying the request will not resolve the issue.

Error Code	Description
4000	There was a validation error affecting one or more fields.
4030	The promise has already been resolved. Once a promise is resolved it can no longer be modified.
4031	The promise has already been rejected. Once a promise is rejected it can no longer be modified.
4032	The promise has already been canceled. Once a promise is canceled it can no longer be modified.
4033	The promise has already timed out. Once a promise is timed out it can no longer be modified.
4034	The lock has already been acquire. Once a lock is acquired it can no longer be acquired.
4035	The Task has already timed out. Once a task is timed out it can no longer be worked on.
4036	The Task has already been acquire. Once a task is acquired it can no longer be acquired.
4037	A task was attempted to be claimed with the wrong counter.
4040	A promise with the provided identifier could not be found.
4041	A subscription with the provided identifier could not be found.
4042	A Schedule with the provided identifier could not be found.
4043	A lock with the provided identifier could not be found.
4043	A Task with the provided identifier could not be found.
4090	A promise with the provided identifier already exists.
4091	A Schedule with the provided identifier already exists.

Server Errors (5000-5999)

Server errors represent transient or systemic problems that prevent the request from being processed. Retrying the request may resolve the issue.

Error Code	Description
5000	An unknown internal server error occurred. Please open a GitHub issue with corresponding details.
5001	There was a failure related the network subsystem.
5002	There was a failure related the store subsystem.
5003	There was a failure serializing or deserializing data from the store.
5030	The system is currently shutting down.
5031	The API submission queue is full. Please try again later.
5032	The AIO submission queue is full. Please try again later.