incubator-jspwiki-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Ethan Larson <>
Subject Re: JSPWiki unstability under JDK 1.6?
Date Sun, 20 Jan 2008 17:37:00 GMT
Hi Janne,

Here are some GC settings that I'm using with JDK 1.6.  I'm not running 
JSPWiki with them, but I am running a heavily loaded java app with good 



Janne Jalkanen wrote:
> Hi ho folks!
> I recently upgraded to run under JDK 1.6.0_3, but 
> unfortunately that turned out to be a mistake: apparently there are 
> stability issues with it, since after that, the wiki engine became 
> unresponsive every six-to-twelve hours.  I have a script which pings 
> every 20 minutes, and if it's not responding within 30 
> seconds, it kills and restarts the underlying process.
> Yesterday, I went back to 1.5.0_6, and the problems disappeared.
> This all is on Ubuntu 6.06, and no, I can't tell you what caused the 
> unresponsiveness.  The heap is pretty full, so this could be a GC 
> issue, but I ran both with and without -XX:ConcurrentGC, and there was 
> no difference. and which are both running under 
> the same VM are both pretty heavily loaded (about 1 hit/second on each).
> Anybody have any similar experiences?
> /Janne

View raw message