oven-sh/bun · error · Error

No program specified

Error message

No program specified

What it means

Error "No program specified" thrown in oven-sh/bun.

Source

Thrown at packages/bun-debug-adapter-protocol/src/debugger/adapter.ts:2175

  }

  async #launch(request: LaunchRequest): Promise<void> {
    const {
      runtime = "bun",
      runtimeArgs = [],
      program,
      args = [],
      cwd,
      env = {},
      strictEnv = false,
      watchMode = false,
      stopOnEntry = false,
      __skipValidation = false,
      stdin,
    } = request;

    if (!__skipValidation && !program) {
      throw new Error("No program specified");
    }

    const processArgs = [...runtimeArgs];

    if (program === "-" && stdin) {
      processArgs.push("--eval", stdin);
    } else if (program) {
      processArgs.push(program);
    }

    processArgs.push(...args);

    if (program && isTestJavaScript(program) && !runtimeArgs.includes("test")) {
      processArgs.unshift("test");
    }

    if (watchMode && !runtimeArgs.includes("--watch") && !runtimeArgs.includes("--hot")) {
      processArgs.unshift(watchMode === "hot" ? "--hot" : "--watch");

View on GitHub (pinned to 8c5296ac45)

When it happens

Trigger: Thrown at packages/bun-debug-adapter-protocol/src/debugger/adapter.ts:2175 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of oven-sh/bun@8c5296ac45 (2026-08-16). Data as JSON: /api/errors/4b838555b302293b. Report an issue: GitHub.