木偶机群集示例抛出错误:无法获取浏览器页

Question

我在木偶技师-集群文档中使用了这个例子

我正在节点v10.15.3上运行此操作，我尝试将无头属性和slowMo传递给傀儡手选项。

我希望代码退出并创建页面的屏幕快照，然而，所发生的是几个铬实例引导，这些实例在控制台挂起和错误时没有加载任何页面：

(node:30826) UnhandledPromiseRejectionWarning: Error: Unable to get browser page
    at Worker.<anonymous> (/Users/Starlord/Code/oppose/node_modules/puppeteer-cluster/dist/Worker.js:43:31)
    at Generator.next (<anonymous>)
    at fulfilled (/Users/Starlord/Code/oppose/node_modules/puppeteer-cluster/dist/Worker.js:4:58)
    at process._tickCallback (internal/process/next_tick.js:68:7)
(node:30826) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 21)
(node:30826) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
(node:30826) UnhandledPromiseRejectionWarning: Error: Unable to get browser page
    at Worker.<anonymous> (/Users/Starlord/Code/oppose/node_modules/puppeteer-cluster/dist/Worker.js:43:31)
    at Generator.next (<anonymous>)
    at fulfilled (/Users/Starlord/Code/oppose/node_modules/puppeteer-cluster/dist/Worker.js:4:58)
    at process._tickCallback (internal/process/next_tick.js:68:7)
(node:30826) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 22)
^Cinternal/process/per_thread.js:198
      throw errnoException(err, 'kill');
      ^

Error: kill ESRCH
    at process.kill (internal/process/per_thread.js:198:13)
    at process.killChrome (/Users/Starlord/Code/oppose/node_modules/puppeteer/lib/Launcher.js:110:17)
    at process.emit (events.js:189:13)

Answer 1

问题是，我在使用木偶技师之前使用的是木偶技师池，它使用的是一个较老版本的木偶技师。

我移除木偶技师池并安装了木偶技师，它按预期工作。