{"record":{"id":"eeb2bcbf1bcaee4e","repo":"different-ai/openwork","slug":"must-be-a-standard-opentelemetry-sampler","errorCode":null,"errorMessage":"must be a standard OpenTelemetry sampler","messagePattern":"must be a standard OpenTelemetry sampler","errorType":"validation","errorClass":"ObservabilityConfigError","httpStatus":null,"severity":"error","filePath":"ee/packages/utils/src/observability.ts","lineNumber":241,"sourceCode":"  }\n}\n\nfunction parseOtelSamplerName(env: ObservabilityEnv): OTelSampler {\n  const sampler = envValue(env, \"OTEL_TRACES_SAMPLER\")\n  if (sampler === undefined) {\n    return \"parentbased_always_on\"\n  }\n\n  switch (sampler) {\n    case \"always_on\":\n    case \"always_off\":\n    case \"traceidratio\":\n    case \"parentbased_always_on\":\n    case \"parentbased_always_off\":\n    case \"parentbased_traceidratio\":\n      return sampler\n    default:\n      throw new ObservabilityConfigError(\n        \"must be a standard OpenTelemetry sampler\",\n        \"OTEL_TRACES_SAMPLER\",\n      )\n  }\n}\n\nfunction isRatioSampler(sampler: OTelSampler): boolean {\n  return sampler === \"traceidratio\" || sampler === \"parentbased_traceidratio\"\n}\n\nfunction parseOtelSampler(env: ObservabilityEnv): OTelSamplerConfig {\n  const name = parseOtelSamplerName(env)\n  const rawArgument = envValue(env, \"OTEL_TRACES_SAMPLER_ARG\")\n\n  if (isRatioSampler(name)) {\n    const ratio = rawArgument === undefined ? 1 : parseUnitInterval(rawArgument, \"OTEL_TRACES_SAMPLER_ARG\")\n    return { name, ratio, argument: String(ratio) }\n  }","sourceCodeStart":223,"sourceCodeEnd":259,"githubUrl":"https://github.com/different-ai/openwork/blob/2b7df46e8ae1517d64c896c7793d2d52ec845669/ee/packages/utils/src/observability.ts#L223-L259","documentation":"Error \"must be a standard OpenTelemetry sampler\" thrown in different-ai/openwork.","triggerScenarios":"Thrown at ee/packages/utils/src/observability.ts:241 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"2b7df46e8ae1517d64c896c7793d2d52ec845669","analyzedAt":"2026-09-01T07:59:23.713Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}