Jsoup exception: HTTP error fetching URL. Status=-1 - java

I'm recently struggling with this error:
org.jsoup.HttpStatusException: HTTP error fetching URL. Status=-1, URL=http://ekstraklasa.net/wisla-krakow/
Everything works just fine when running from Windows 8 machine, but when uploaded on Ubuntu server it just throws this exception.
I've tried to escape dashes in URL, print response body (there's none, only java.io.IOException: Invalid Http response) and so on.
It's not a problem with timeout setting.
I'm using Jsoup and simply ran out of ideas.
My code:
org.jsoup.Connection con = Jsoup.connect("http://ekstraklasa.net/wisla-krakow/")
.userAgent("Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.110 Safari/537.36")
.timeout(1 * 60 * 1000);
Document doc = con.get();

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