webdriver - Selenium, opening ff browser and automaticly close -

trying run testng suite compiled jar on remote linux machine.

problem have is, if run tests, ff open url have defined , after closing brower, , on.

org.openqa.selenium.nosuchelementexception: unable locate element: {"method":"name","selector":"username"}

selenium 2.53.0 ff 45.0

any idea why test open browser , close?

nosuchelementexception thrown when element not exist. may not reason fx crash. possibilities :

some in code closing driver.

i had faced same issue earlier.

try upgrade firefox latest version.

try set firefox driver using setproperties

system.setproperty("webdriver.firefox.bin","c:\\users\\appdata\\local\\mozilla firefox\\firefox.exe"); webdriver driver=new  firefoxdriver();

below of helpful links.

New Generation Education