As I suspected, 0.55b does cause a crash in Java as well. As 0.54.09 did as well. Until further notice I will resume using 0.54.08 as it provided me with the most stable experience to date.
Edit:
OBS log -- http://pastebin.com/KSjnWQZt
captureHookLog.txt -- http://pastebin.com/Gp0VFTTA
Edit:
OBS log -- http://pastebin.com/KSjnWQZt
captureHookLog.txt -- http://pastebin.com/Gp0VFTTA