修复元素拾取 Chrome 启动失败(exit 0): 残留实例占用专用 profile
根因: 上次运行遗留的 Chrome 仍占用 rpa-studio-external-* profile 时, 再次启动的 Chrome 会把请求转交旧实例并立即退出(代码 0), 报 「Chrome 启动失败(进程已退出,代码 0)」。 - external: 子进程立即退出时清理占用该 profile 的残留进程并重试一次 (win32 按命令行中的 user-data-dir 过滤杀进程, 其他平台 pkill -f) - 启动参数加 --hide-crash-restore-bubble, 避免固定 profile 被强杀后 「恢复页面?」气泡遮挡页面拾取 - 验证: 故意拉起无调试端口的同 profile Chrome 后跑浏览器 e2e, 自动 清理重试生效, 演示流程 succeeded
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@ -1,10 +1,13 @@
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import { execFile, spawn, type ChildProcess } from "node:child_process";
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import { promisify } from "node:util";
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import { promises as fs } from "node:fs";
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import os from "node:os";
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import path from "node:path";
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import { RuntimeError } from "../engine/types";
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import { ExternalTransport } from "./transport";
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const execAsync = promisify(execFile);
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/**
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* 外部浏览器(Edge / Chrome)进程管理与 CDP 连接。
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*
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@ -209,6 +212,27 @@ export async function connectRemoteBrowser(options: ExternalRemoteOptions): Prom
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};
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}
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/** 清理占用专用 profile 的残留浏览器进程。
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* 同一 user-data-dir 已有实例时,再次启动的 Chrome 会把请求转交旧实例并立即退出(代码 0),
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* 导致「启动失败(进程已退出,代码 0)」——这些实例都是本模块之前拉起的,清理是安全的。 */
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async function killStaleBrowserProcesses(browserType: ExternalBrowserType, userDataDir: string): Promise<void> {
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try {
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if (process.platform === "win32") {
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const names = browserType === "edge" ? "msedge.exe" : "chrome.exe";
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const marker = userDataDir.replace(/'/g, "''");
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const script =
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`Get-CimInstance Win32_Process -Filter "Name='${names}'" | ` +
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`Where-Object { $_.CommandLine -like '*${marker}*' } | ` +
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"ForEach-Object { Stop-Process -Id $_.ProcessId -Force -ErrorAction SilentlyContinue }";
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await execAsync("powershell.exe", ["-NoProfile", "-NonInteractive", "-Command", script], { timeout: 8000, windowsHide: true });
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} else {
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await execAsync("pkill", ["-f", userDataDir], { timeout: 5000 });
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}
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} catch {
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// 清理失败不阻塞启动:可能本来就没有残留,或权限受限
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}
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}
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/** 拉起本机 Edge/Chrome(带独立 profile + 调试端口),并接管其页面 */
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export async function launchExternalBrowser(options: ExternalLaunchOptions): Promise<ExternalConnection> {
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const browserType = options.browserType === "edge" ? "edge" : "chrome";
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@ -233,11 +257,14 @@ export async function launchExternalBrowser(options: ExternalLaunchOptions): Pro
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`--user-data-dir=${userDataDir}`,
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"--no-first-run",
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"--no-default-browser-check",
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// 固定 profile 曾被强杀过时,Chrome 会弹「恢复页面?」气泡挡住页面拾取
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"--hide-crash-restore-bubble",
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startUrl,
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...extraArgs
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];
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const child = spawn(browserPath, args, { detached: false, stdio: "ignore", windowsHide: true });
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const spawnBrowser = (): ChildProcess => spawn(browserPath, args, { detached: false, stdio: "ignore", windowsHide: true });
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let child = spawnBrowser();
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child.on("error", () => {
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// spawn 失败由下方就绪轮询超时统一报错
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});
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@ -245,11 +272,24 @@ export async function launchExternalBrowser(options: ExternalLaunchOptions): Pro
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// 就绪轮询:等 /json/version 可访问(最长 15s)
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const deadline = Date.now() + 15000;
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let ready = false;
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let retriedStale = false;
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while (Date.now() < deadline) {
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if (child.exitCode !== null) {
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if (!retriedStale) {
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// 立即退出(常见代码 0):专用 profile 被残留实例占用,Chrome 转交后自杀;
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// 清理残留后重试一次
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retriedStale = true;
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await killStaleBrowserProcesses(browserType, userDataDir);
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await new Promise((resolve) => setTimeout(resolve, 300));
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child = spawnBrowser();
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child.on("error", () => {
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// spawn 失败由下方就绪轮询超时统一报错
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});
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continue;
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}
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throw new RuntimeError("browser_error", `${label} 启动失败(进程已退出,代码 ${child.exitCode})`, {
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detail: browserPath,
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recommendation: "检查浏览器安装是否完整,或参数是否合法"
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recommendation: "已尝试清理残留实例仍失败:检查浏览器安装是否完整,或重启电脑后重试"
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});
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}
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if (await isDebugPortReady(port)) {
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