xvfb run error in ubuntu 11.04

Question

My task is crawling the google search results using headless webkit(PyQt4.QtWebkit) in python. The module was crawling the results fine using PyQt4.I should have to execute

Answer 1

You need to add --auto-servernum parameter for xvfb-run. Otherwise, it tries to spawn Xvfb on the same display (by default :99), which will fail if you already have one running.