We have a web app built on Jboss that has been in production for several years; for the last 18 months it has never gone down. However, in the last two days, the jvm has crashe
I agree with Matt, it does sound like hardware problems. I've seen your three crash reports and they are all failing in different parts. One, mostly when executing VM code. The second, in native code. And the third (in the question you should have not opened, but added here), in standard Java code.
Of course, if you have several production machines and the issue is happening in different ones, then I would seriously consider to buy subscriptions and get real support.