deepseek-ai/deepseek-harness · error · Error

client api: ${endpoint} has no active Connection

Error message

client api: ${endpoint} has no active Connection

What it means

Error "client api: ${endpoint} has no active Connection" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/api/gateway/src/client/index.ts:402

        throw new Error(`client api: ${endpoint} has no Client Context binder for ${JSON.stringify(projection.context)}`)
      }
      const identity = boundIdentity === undefined
        ? binder?.identity(callerCtx)
        : boundIdentity.value
      if (identity === undefined) {
        throw new Error(`client api: ${endpoint} requires a ${JSON.stringify(projection.context)} Context`)
      }
      args[projection.wire] = parse(projection.codec, identity, endpoint, projection.wire)
    }
    let valueIndex = 0
    descriptor.parameters.forEach((parameter, parameterIndex) => {
      if (parameterIndex === projection?.parameterIndex) return
      const value = parse(parameter.codec, values[valueIndex], endpoint, parameter.wire)
      if (value !== undefined) args[parameter.wire] = value
      valueIndex += 1
    })
    const connection = this.ownerCtx.get('connection') as ConnectionHandle | undefined
    if (connection === undefined) throw new Error(`client api: ${endpoint} has no active Connection`)
    const callerSignal = hasCallerSignal ? values[expected] as AbortSignal | undefined : undefined
    const signal = callerSignal === undefined
      ? token.abort.signal
      : AbortSignal.any([token.abort.signal, callerSignal])
    try {
      const result = await connection.rpc.call('/api', endpoint, { args }, signal)
      if (!mountActive(token)) return withdrawn(endpoint)
      if (!result.ok) return { ok: false, error: result.error }
      return { ok: true, value: parse(descriptor.result, result.value, endpoint, 'result') }
    } catch (error) {
      // Carrier throws (offline, abort, a rejected result payload) are outcomes
      // of the call, not assembly faults, so they join the same error branch.
      return carrierFailure(endpoint, error)
    }
  }
}

type InvokeRemote = (

View on GitHub (pinned to b150a551b8)

Solutions

1. Establish a Connection before calling the endpoint; reconnect if the connection was closed.

When it happens

Trigger: Thrown at packages/api/gateway/src/client/index.ts:402 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of deepseek-ai/deepseek-harness@b150a551b8 (2026-08-24). Data as JSON: /api/errors/821950ea089abb41. Report an issue: GitHub.