Unknown error: cannot take screenshot

[chirkovevgeny]

I am getting an error when execute the tests that involves opening new browser tab. Below is the stacktrace:

UnknownError: unknown error: cannot take screenshot
from unknown error: Failed to capture tab: unknown error
JavaScript stack:
Error: Failed to capture tab: unknown error
    at checkForExtensionError (chrome-extension://aapnijgdinlhnhlmodcfapnahmbfebeb/background.js:14:17)
    at Object.callback (chrome-extension://aapnijgdinlhnhlmodcfapnahmbfebeb/background.js:37:5)
    at safeCallbackApply (extensions::sendRequest:21:15)
    at handleResponse (extensions::sendRequest:72:7)
  (Session info: chrome=44.0.2403.125)
  (Driver info: chromedriver=2.14.313457 (3d645c400edf2e2c500566c9aa096063e707c9cf),platform=Mac OS X 10.9.5 x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 100 milliseconds
Build info: version: '2.45.0', revision: '5017cb8', time: '2015-02-26 23:59:50'

[eddiemonge]

are you switching to that tab?

[chirkovevgeny]

Yes I switch to that tab to validate URL

[eddiemonge]

What is the code you are using to do that? Also, you should wrap your code in triple backticks so it formats correctly and is easier to read.

[chirkovevgeny]

@eddiemonge , thank you for fast response, I have formatted the post to be more readable, thanks for pointing out. Here is the code that handles windows switches:

    this.closeNewSocialWindow = function(socialItem) {

        var isPopUpShowed = function(){
            return browser.driver.getAllWindowHandles().then(function(handles){
                return handles.length>1;
            });
        };

        browser.wait(isPopUpShowed,timeout).then(function(){
            browser.wait(browser.driver.getAllWindowHandles(),timeout).then(function (handles) {
                var originalWindow = handles[0];
                var popUp = handles[1];
                browser.switchTo().window(popUp);
                browser.getWindowHandle().then(function(handle) {
                    expect(handle).toBeDefined();
                    expect(handle).toEqual(popUp);
                    browser.wait(browser.driver.getCurrentUrl(),timeout).then(function(url) {
                        expect(url).toContain(socialItem.toLowerCase()+'.com');
                        browser.wait(browser.driver.close(),timeout).then(function(){
                            browser.switchTo().window(originalWindow);
                        });
                    });
                });
            });
        });
    };