deepseek-ai/deepseek-harness · error · Error

dsh-e2b: runtime root must be a real directory: ${this.runti

Error message

dsh-e2b: runtime root must be a real directory: ${this.runtimeRoot}

What it means

Error "dsh-e2b: runtime root must be a real directory: ${this.runtimeRoot}" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/e2b/e2b/src/index.ts:163

    }
    if (!Number.isFinite(this.config.timeoutMs) || this.config.timeoutMs <= 0) {
      throw new Error('dsh-e2b: timeoutMs must be a positive finite number')
    }
  }

  private async open(): Promise<Sandbox> {
    const sandbox = await Sandbox.create({
      apiKey: this.config.apiKey,
      timeoutMs: this.config.timeoutMs,
      secure: true,
      lifecycle: { onTimeout: 'kill' },
    })
    try {
      await sandbox.files.makeDir(this.cwd)
      await sandbox.files.makeDir(this.runtimeRoot)
      const runtimeRoot = await sandbox.files.getInfo(this.runtimeRoot)
      if (runtimeRoot.type !== FileType.DIR || runtimeRoot.symlinkTarget !== undefined) {
        throw new Error(`dsh-e2b: runtime root must be a real directory: ${this.runtimeRoot}`)
      }
      await sandbox.commands.run(
        `chmod 700 -- ${quoteE2BShellArg(this.runtimeRoot)}`,
        { envs: e2bControlEnvs() },
      )
      return sandbox
    } catch (error: unknown) {
      try {
        await sandbox.kill()
      } catch (_sandboxSetupRollbackFailure) {
        // TODO(e2b-setup-rollback): Add retry state only if a real double failure
        // outlives E2B's configured sandbox timeout.
      }
      throw error
    }
  }
}

View on GitHub (pinned to b150a551b8)

When it happens

Trigger: Thrown at packages/e2b/e2b/src/index.ts:163 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/9240f5c6eb0bf5d7. Report an issue: GitHub.