Please see the end of https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=797595 : awt is currently not calling XInitThreads(), and libxcb is thus not thread-safe. Jabref happens to be using threads, so all kinds of funky things is to be expected. The patch proposed there will probably fix the issue.
Please see the end of https:/ /bugs.debian. org/cgi- bin/bugreport. cgi?bug= 797595 : awt is currently not calling XInitThreads(), and libxcb is thus not thread-safe. Jabref happens to be using threads, so all kinds of funky things is to be expected. The patch proposed there will probably fix the issue.