Date: Wed, 29 Feb 2012 09:33:35 +0100 From: Kees Jan Koster <kjkoster@gmail.com> To: Greg Lewis <glewis@eyesbeyond.com> Cc: freebsd-java@freebsd.org Subject: Re: random JVM crashes Message-ID: <94466081-ED3C-40C0-B79C-A242C0017EA1@gmail.com> In-Reply-To: <20120229045213.GA48921@misty.eyesbeyond.com> References: <0B129B1A-69AF-42CA-9C9D-EBFB8929EF7C@gmail.com> <20120229045213.GA48921@misty.eyesbeyond.com>
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Dear Greg, Nice to hear from you. Still manning the ship, after all these years? = I'm well impressed with your resilience. >> I have been getting random JVM crashes that I cannot resolve on my = own. >>=20 >> Concrete question is: what can I do from here? What information can I = give you guys about this? >=20 > The biggest problem is finding someone with time to look at it. = Anything > you can do to lower the barrier to entry for that is going to help. > Getting together reproduction steps and making them as easy as = possible > would be a great first step. I can't guarantee it will get results, = but > it should increase the likelihood dramatically. I tried to write a small program that simulated the moving NIO parts of = my application. That program ran flawlessly for hours on end. Then I = started switching between JDK's (jdk16, openjdk6 and openjdk7) and found = that the crash happened in all of them. After a while I rebooted the machine and the system has been running = under full load for 12 hours with no crashes. So now I'm left with that sour taste in my mouth after you've seen a bug = and it's gone into hiding again. :( -- Kees Jan http://java-monitor.com/ kjkoster@kjkoster.org +31651838192 I hate unit tests; I much prefer the illusion that there are no errors = in my code. -- = Hendrik Muller
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