{"record":{"id":"74d5e092f2233da5","repo":"microsoft/playwright","slug":"uncompressed-har-is-not-supported-in-thin-clients","errorCode":null,"errorMessage":"Uncompressed har is not supported in thin clients","messagePattern":"Uncompressed har is not supported in thin clients","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/playwright-core/src/client/tracing.ts","lineNumber":178,"sourceCode":"        return;\n      }\n      const localUtils = this._connection.localUtils();\n      if (!localUtils)\n        throw new Error('Cannot save zipped HAR in thin clients');\n      await localUtils.zip({ zipFile: harParams.path, entries: entries!, mode: 'write', includeSources: false, additionalSources: [] });\n      return;\n    }\n\n    const { artifact: artifactChannel } = await this._channel.harExport({ harId, mode: 'archive' }, kNoTimeout);\n    const artifact = Artifact.from(artifactChannel!);\n    if (isZip) {\n      await artifact.saveAs(harParams.path);\n      await artifact.delete();\n      return;\n    }\n    const localUtils = this._connection.localUtils();\n    if (!localUtils)\n      throw new Error('Uncompressed har is not supported in thin clients');\n    await artifact.saveAs(harParams.path + '.tmp');\n    await localUtils.harUnzip({ zipFile: harParams.path + '.tmp', harFile: harParams.path, resourcesDir: harParams.resourcesDir });\n    await artifact.delete();\n  }\n\n  async _exportAllHars(): Promise<void> {\n    await this._wrapApiCall(async () => {\n      await Promise.all([...this._harRecorders.keys()].map(harId => this._exportHAR(harId)));\n    }, { internal: true });\n  }\n\n  private async _doStopChunk(filePath: string | undefined) {\n    this._resetStackCounter();\n\n    const additionalSources = [...this._additionalSources];\n    this._additionalSources.clear();\n\n    if (!filePath) {","sourceCodeStart":160,"sourceCodeEnd":196,"githubUrl":"https://github.com/microsoft/playwright/blob/c8fc3bf8d31542d59b4d4d9eaab1df93ff541dc6/packages/playwright-core/src/client/tracing.ts#L160-L196","documentation":"Error \"Uncompressed har is not supported in thin clients\" thrown in microsoft/playwright.","triggerScenarios":"Thrown at packages/playwright-core/src/client/tracing.ts:178 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":"c8fc3bf8d31542d59b4d4d9eaab1df93ff541dc6","analyzedAt":"2026-08-12T07:26:36.950Z","schemaVersion":2},"datasetVersion":"2026-08-12T18:17:37.767Z"}