Windows .jar Problematic crashes of unknown origin.

[Furious1964]

I've been getting a lot of these and I don't know what the cause is. Can anyone help me on this?

http://pastebin.com/K3VB4Xhu

 

[Furious1964]

And still yet another crash. How can this be fixed?

http://pastebin.com/0kEAUVH9

 

[Tristam Izumi]

No clue on the first one.

Second one is easy. Change

-XX:PermSize=128M
to
-XX:PermSize=256M