WebDriver(Selenium2) 常见异常及处理方法

Exception NoSuchElementException
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h5{z01. Check the locator of your target element.51Testing软件测试网"t3V`-O^ b3pp;F&z``
2. If the locator is current. Try to wait for page load before find element.51Testing软件测试网gYnv/WNBX3@
3. If already wait for long time and always cannot find the element, try to use another type locator.51Testing软件测试网gm7HKJPb


Y"j.s_ ^2K:U8xv@s Wq0Exception NoSuchWindowException51Testing软件测试网%L fslJ%f4L-Wt2A
Solutions
6KVj e p,D9c!E01.Check the window’s locator.
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7J{3J7_R0Exception NoAlertPresentException51Testing软件测试网o:`%c1B,iMM%N]
Solutions
b8W|)C4l6N3W.LuE9@01.Make sure the alert( javascript. pop window not new window) will present.51Testing软件测试网 [w.e"w$`m
2.Wait page load before deal the alert.
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|&?-wd Kg,H/lh0Exception NoSuchFrameException
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1.Check the frame’s locator.
3bA#@;f&~RB-Q:E8o02.Check is the frame. has some father frame.(if has father frame. you should switch to the father frame. first)
(I\6x&_3d*_ I03.Make sure switch to the default content before switch to target frame( only for single frame)
)J3ta$k!_y04.Wait page load before switch to frame.51Testing软件测试网F r2xMmj Kt j4^
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Exception UnhandledAlertException
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1. Check if there is some alert dialog present. ( JavaScript. pop window). And deal with them.51Testing软件测试网&x/B+c2G,r+r
2. If no javascript. pop window present but the exception still occurs. Make sure the developer tools is closed when running automation case. (Because since selenium 2.19. “UnhandledAlertException” added and they think the developer tool is an alert)
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Exception UnexpectedTagNameException
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qF,oSz3Q!DOX Q;v01.Check the target element’s html tag name.
1Q g#B2a*O02.Try to wait for page load then initializing the selector.
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Exception StaleElementReferenceException51Testing软件测试网$dg9qu'V7d*R
Solutions
S4}6b-b$w,zo01.Re-find the element again. (Because the element has been refresh.)51Testing软件测试网2sL6?#T y-|
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s8zVH IQ3Yfy0Exception TimeoutException51Testing软件测试网7|!O k"Ph
Solutions
a C:NmJ{01. Check the expected conditions locator.
EXN5{:].H02..Increase the wait time.