driver.wait（）抛出IllegalMonitorStateException [英] driver.wait() throws IllegalMonitorStateException

问题描述

wait（...）的所有变体都会从以下代码中抛出以下异常。我做错了什么？

All the variations of wait(...) are throwing the below exception from the following code. What am I doing wrong?

java.lang.IllegalMonitorStateException
    at java.lang.Object.wait(Native Method)
    at java.lang.Object.wait(Object.java:485)
    at LoginPage.main(LoginPage.java:29)

try
        {
            driver.get("http://domain:port/coco/webapp/login/login.faces");

            driver.findElement(By.id("clientCode")).sendKeys("coco");
            driver.findElement(By.id("systemCode")).sendKeys("consumer");
            driver.findElement(By.id("userId")).sendKeys("ffadmin");
            driver.findElement(By.id("password")).sendKeys("password");

            driver.findElement(By.className("af_commandButton")).click();
            driver.wait();
            Assert.assertTrue(driver.getPageSource().contains("Administration"));

        }
        catch (Exception e)
        {
            e.printStackTrace();
        }

推荐答案

你只能 等待 如果你使用 synchronized 获得了对象的锁定。

You can only wait on an object if you've acquired the lock for it using synchronized.

我不知道知道你是意味着使用等待使用WebDriver - 如果你是，你需要这样的东西：

I don't know whether you're meant to use wait using WebDriver - if you are, you'd need something like:

synchronized (driver)
{
    driver.wait();
}

然而，如果你正在等待某事发生，那么更有可能你可以使用另一种方法。也许 WebDriverWait ？

However, if you're waiting for something to occur, it's more likely that there's an alternative method you're meant to be using. Perhaps WebDriverWait?

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