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为什么在尝试执行异步脚本时,我在使用Selenium 2.25.0时遇到了异常。无法执行Selenium异步脚本
//navigate to my test page. String script = "var callback = arguments[arguments.length - 1];" + "getResult(callback)"; Object result = ((JavascriptExecutor)driver).executeAsyncScript(script, ""); System.out.println(result);
测试页包含以下脚本:
var result = true; function getResult(callback){ window.setTimeout(function(){callback(true);}, 3000); }
这将引发异常:
FAILED: testSeleniumAsync org.openqa.selenium.TimeoutException: Script execution failed. Script: var callback = arguments[arguments.length - 1];getResult(callback); Timed out waiting for asyncrhonous script result after 2 ms (WARNING: The server did not provide any stacktrace information) Command duration or timeout: 11 milliseconds Build info: version: '2.25.0', revision: '17482', time: '2012-07-18 22:18:01' System info: os.name: 'Linux', os.arch: 'amd64', os.version: '3.2.0-27-generic', java.version: '1.6.0_26' Driver info: driver.version: RemoteWebDriver Session ID: 6347b507cf22b6c2d3312937a82a0a02 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
如果我从我的脚本删除setTimeout和我称之为回调它的工作原理。但这不是我想要的。
谢谢。
让我添加一些我认为是常见的陷阱,((JavascriptExecutor)驱动程序).executeAsyncScript(script,“”); //将立即返回。 – redochka 2012-11-21 16:56:22
@redsonic +1任何一天。 但在这种情况下,OP正在调用回调。 – 2012-11-22 06:03:56
我在量角器中遇到同样的问题,我如何配置它? 我做了browser.manage()。timeouts()。setScriptTimeout(60000);但我有同样的错误! – Emna 2016-05-06 10:01:29