Encountering a "Can't find variable" error in Java when using Ghostdriver 1.2.1 with PhantomJS 2.0 and the newest version

[ALERT - 2016-01-16T02:22:00.898Z] Session [e6651a90-bbf7-11e5-9061-cff578894101] - page.onError - msg: ReferenceError: Can't find variable: data

:262 in error [WARNING - 2016-01-16T02:22:00.898Z] Session [e6651a90-bbf7-11e5-9061-cff578894101] - page.onError - stack: (anonymous function) (http://www.example.com/ns/common/jquery/jquery.cartActions.js?cd=0:205) o (http://www.example.com/images/common/jquery/jquery.latest.js:2) fireWith (http://www.example.com/images/common/jquery/jquery.latest.js:2) w (http://www.example.com/images/common/jquery/jquery.latest.js:4) d (http://www.example.com/images/common/jquery/jquery.latest.js:4) openUrl (:0) open (:280) (anonymous function) (:/ghostdriver/request_handlers/session_request_handler.js:495) _execFuncAndWaitForLoadDecorator (:/ghostdriver/session.js:212) _postUrlCommand (:/ghostdriver/request_handlers/session_request_handler.js:494) _handle (:/ghostdriver/request_handlers/session_request_handler.js:91) _reroute (:/ghostdriver/request_handlers/request_handler.js:61) _handle (:/ghostdriver/request_handlers/router_request_handler.js:78) :262 in error

^Domain edited out on purpose.

As per information from Can't find variable - PhantomJS, this particular error seems to be related to improper jailed execution of Javascript. The specifics of this issue and its connection to Java programming has left me confused.

In my Selenium program, the Javascript call is fairly simple and goes like:

((JavascriptExecutor) driver).executeScript("arguments[0].click();", buttonToClick);

The above line appears to be functioning correctly as other similar lines execute without any errors before encountering the aforementioned issue.

Even though I have tried several configurations with the PhantomJS driver initializer block below, I have not been able to resolve "acceptSslCerts":false under Session.NegotiatedCapabilities:

String[] cli_args = new String[]{"--debug=false", "--web-security=false", "--ssl-protocol=any", "--ignore-ssl-errors=true"};
        DesiredCapabilities caps = DesiredCapabilities.phantomjs();
        caps.setCapability(PhantomJSDriverService.PHANTOMJS_CLI_ARGS, cli_args);
        caps.setCapability(PhantomJSDriverService.PHANTOMJS_EXECUTABLE_PATH_PROPERTY, "/Users/richard/Downloads/phantomjs-2.0.0-macosx/bin/phantomjs");
        driver = new PhantomJSDriver(caps);

Despite seeing that the arguments are indeed being passed in through the Console...

Jan 16, 2016 6:23:40 AM org.openqa.selenium.phantomjs.PhantomJSDriverService <init>
INFO: arguments: [--web-security=no, --ignore-ssl-errors=yes, --webdriver=33238, --webdriver-logfile=/Users/richard/YeezyBot/phantomjsdriver.log]

It's worth mentioning that everything runs smoothly with Firefox WebDriver.

javascriptjavaseleniumphantomjsghostdriver

Answer №1

Avoid injecting JavaScript into web pages as it is not considered a good practice. Instead, utilize Selenium code to locate and interact with elements on the page without the need for injection.

  1. Ensure that the page has fully loaded

  2. Locate the button using CSS or XPath expressions

  3. Wait for the element to become clickable

  4. Click on the element using only Selenium code

    WebDriverWait wait = new WebDriverWait(driver, timeToWait);

    this.by = by;

    try {

    WebElement lastFoundElement = wait.until(ExpectedConditions.visibilityOfElementLocated(by));

    wait.until(ExpectedConditions.elementToBeClickable(lastFoundElement ));

    new Actions(browser).moveToElement(element, offsetX, offsetY).click().build().perform();

    } catch (Exception ex) {
    }

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