Robot Framework: Suite Teardown fails when using Close All Browsers
A quick fix would be to add Run Keyword And Ignore Error to your Suite Teardown it will still execute the commands that are valid but will skip the error command something like this works
*** Settings ***Library Selenium2LibrarySuite Teardown Run Keyword And Ignore Error Suite shutdown*** Test Cases ***Test Keyword Open Browser http://google.com chrome*** Keywords ***Suite shutdown Erro1234r # This should fail due to no keyword named Erro1234r, it skips this and closes all browsers Close All Browsers
The version of selenium you are using could be causing this.
To see what versions of selenium support what python version you are using check out. https://github.com/robotframework/SeleniumLibrary/blob/master/README.rst#support
*** Settings ***Suite Setup Open Database ConnectionTest Setup LoginSuite Teardown Suite shutdownLibrary SeleniumLibrary*** Test cases ***......*** Keywords ***Suite shutdown Disconnect from Database Close All Browsers
The error BadStatusLine: '' propagates from python's httplib - the core module for http communication (as is obvious by its name :)), and comes from error in the communcation between selenium and the webdriver for the browser.
It has no connection with Robot Framework's SeleniumLibrary/Selenium2Library - it is just a wrapper (a very good one I must admit) over the selenium library.
So look for the error in that direction - the version of your installed selenium library does not work well with the installed chromedriver - one sent to the other data, that was unexpected for the recipient.
I'd suggest to upgrade to the latest versions of both - this hiccups do happen when one is (significantly) newer than the other.