Selenium Htmlunit driver Problem getting elements on the right page (Vue.JS)

[danielkp1234]

So i was trying to switch from using the chrome driver to html unit because it should be faster.
i have javascript enabled and i am getting this error
Caused by: net.sourceforge.htmlunit.corejs.javascript.EcmaError: TypeError: Cannot find function submit in object [object HTMLButtonElement]
I have tried some googling around but I found nothing this is the line where i define the htmlunit driver
HtmlUnitDriver driver = new HtmlUnitDriver(BrowserVersion.FIREFOX_68,true);

[rbri]

Looks more like a bug in HtmlUnit itself.
Do you have a small sample for me to test and debug this?

[danielkp1234]

@rbri Here is the full message
Caused by: net.sourceforge.htmlunit.corejs.javascript.EcmaError: TypeError: Cannot find function submit in object [object HTMLButtonElement]. (https://broker.unilogin.dk/auth/resources/7.3.7.ga/login/unilogin/js/main.js#1)

this is my code

WebDriverWait wait = new WebDriverWait(driver, 8);
wait.until(ExpectedConditions.visibilityOfElementLocated(By.xpath("/html/body/main/div/div/form/div[1]/input")));
driver.findElement(By.xpath("/html/body/main/div/div/form/div[1]/input")).sendKeys(decodedbrugernavn);
driver.findElement(By.xpath("/html/body/main/div/div/form/nav/button")).click();
wait.until(ExpectedConditions.visibilityOfElementLocated(By.xpath("/html/body/main/div/div/form/div[1]/input")));
driver.findElement(By.xpath("/html/body/main/div/div/form/div[1]/input")).sendKeys(decodedkodeord);
driver.findElement(By.xpath("/html/body/main/div/div/form/nav/div/div[1]/button")).click();`

[rbri]

Hi danielkp1234,

have tried to reproduce your case.

1. my guess is you are trying to open this url 'https://broker.unilogin.dk/'.
2. to reach the problematic page i need a valid decodedbrugernavn value (sendKeys(decodedbrugernavn)).

Can you please provide a value (maybe via private mail).

[danielkp1234]

@rbri try using andr132n

[rbri]

Ok, thanks, can see the problem now. Will try to fix it.

[danielkp1234]

@rbri Okay Thanks keep me updated :)

[rbri]

OK, found it - and i guess you like to get the whole story.

The problem is not with HtmlUnit/Driver it is a problem with the application. There is really a bug in the event handler associated with the 'Næste' button. If you run this page in a real browser manually, having the console open you will see the error there also when clicking the button. But HtmlUnit is per default a bit more picky about js errors - HtmlUnit (as test tool) stops the processing and throws an error (browsers are simply logging the error and proceeding to make all the nasty pages out there working ;-).

To chance this you have to disable this by calling

client.getOptions().setThrowExceptionOnScriptError(false);

There is a short sample how to customize the WebDriver at the bottom of this page (https://github.com/SeleniumHQ/htmlunit-driver).

And one more;
your code uses two times the same wait condition for two different pages.

wait.until(ExpectedConditions.visibilityOfElementLocated(By.xpath("/html/body/main/div/div/form/div[1]/input")));

Because of this the second wait passes even if you have not changed the page. Maybe you have to add a check for the page content &| title to be sure you are on the right page before you start interacting with the page.

Hope that helps...thanks for using HtmlUnit/Driver....

RBRi

[rbri]

Will close this, please reopen if you still have this problem.

[danielkp1234]

@rbri Weird cause then that isn't the problem :) I just tried with chrome driver and it was working fine it's on the page it's supposed to be on. But the text variable is empty so i tried to debug it and its on the correct page but this line List<WebElement> allemandag = driver.findElements(By.xpath("/html/body/div[1]/div[2]/div[3]/div[2]/div"));
when printing the variable it with println it is just printing [] which didn't happen with other drivers. Could it be something about the fact that im trying to get a list of elements then trying to print them with a
for (WebElement value: allemandag) {
System.out.println(value.getText());
}
witch also prints nothing on a line right above i tried to print the url and i verified that its indeed on the right page

[rbri]

Sorry, now i'm totally confused.

Can you please explain your problem step by step. Your login process has three steps with three different pages (i can only test the first and the second).

And please include your (complete) source code to give me a chance to understand what you are doing.

[danielkp1234]

@rbri Here is the complete source code https://pastebin.com/2aMxq8Bh javascript is enabled and setthrowexeceptiononscripterror is false
i am to reach the page containing the
List allemandag = driver.findElements(By.xpath("/html/body/div[1]/div[2]/div[3]/div[2]/div"));
but in htmlunit its just [] and in chromedriver its finding it fine would i be able to turn on some debugging so you know more in depth what is causing this problem would i be able to enable some debug logging in both chromedriver and htmlunit so you could compare them and see what goes wrong

[rbri]

Can you please give me the credentials (via private mail). Without seeing the pages i can't do anything.

[danielkp1234]

@rbri hmm, I am sorry I don't really think i am allowed to give that out :( would it be possible for me to create a dump of the page for u?