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Internal Server Error (server_error) ​

HTTP 500Horizon RFC 7807 ProblemCode: server_error
Type URI: https://orion.stellarchain.io/horizon-errors/server_error

An unexpected internal error occurred while processing the request.

Quick Fix & Resolution

Retry the request with exponential backoff. On pubnet.stellarchain.io, Caddy automatically fails over between FRA1 and NYC3 on 5xx errors.

Response Payload & SDK Handling ​

json
{
  "type": "https://orion.stellarchain.io/horizon-errors/server_error",
  "title": "Internal Server Error",
  "status": 500,
  "detail": "An error occurred while processing this request. This is usually due to a bug within the server software. Trying this request again may succeed if the bug is transient. Otherwise, please contact the system administrator."
}
typescript
import { Horizon } from '@stellar/stellar-sdk';

const server = new Horizon.Server('https://pubnet.stellarchain.io');

try {
  const res = await server.ledgers().limit(10).call();
} catch (err: any) {
  const problem = err?.response?.data;
  if (problem?.type === 'https://orion.stellarchain.io/horizon-errors/server_error') {
    console.error('[server_error] HTTP 500:', problem.detail, problem.extras);
  }
}
go
client := &horizonclient.Client{
    HorizonURL: "https://pubnet.stellarchain.io",
}
_, err := client.Root()
if hErr := horizonclient.GetError(err); hErr != nil {
    if hErr.Problem.Status == 500 {
        log.Printf("Problem (%s): %s - extras=%v", hErr.Problem.Type, hErr.Problem.Detail, hErr.Problem.Extras)
    }
}
bash
curl -i -s "https://pubnet.stellarchain.io/" \
  -H "Accept: application/hal+json"

Common Root Causes ​

  • Transient upstream RPC or R2 storage timeout.
  • Unexpected internal exception while decoding historical records.

← Back to All 23 Horizon Error Codes

Open-Source Stellar Horizon & Orion Documentation under MIT License.