Errors

tunnel_stream_limit

503 – Too many open streams. The Tunnel already holds as many streams as its Plan allows.

Too many open streams. Answered with 503.

What it means

The Tunnel already holds as many streams as its Plan allows. An idle keep-alive connection still holds a slot.

What to do

Let a stream finish before opening another, or upgrade the Plan.

The body

{
  "type": "https://tigby.eu/problems/tunnel_stream_limit",
  "title": "Too many open streams",
  "status": 503,
  "detail": "…what was refused, naming this request's own values",
  "code": "tunnel_stream_limit",
  "doc_url": "https://docs.tigby.eu/errors/tunnel_stream_limit",
  "agent_hint": "…the next step, for software"
}

Branch on code. The detail names this request's own Handle, id or limit and is not part of the contract.