Re: Tracking down OOM - PermGen using jmap and jhat

2009-03-10 Thread Darryl Pentz
Hi Charles, Thanks for the info. I recall a post of yours I read on the Nabble list related to this stuff so I appreciate and value your feedback. I think I misspoke earlier. When I said the memory is still littered with the application classes, I mean virtually everything, thousands of

RE: Tracking down OOM - PermGen using jmap and jhat

2009-03-10 Thread Caldarale, Charles R
From: Darryl Pentz [mailto:djpe...@yahoo.com] Subject: Re: Tracking down OOM - PermGen using jmap and jhat I tried using JConsole's GC button, but clearly this didn't do the trick. Did clicking the button run a major GC (aka PS MarkSweep)? Are any classes at all being unloaded? (Look

Re: Tracking down OOM - PermGen using jmap and jhat

2009-03-10 Thread Darryl Pentz
: Tracking down OOM - PermGen using jmap and jhat From: Darryl Pentz [mailto:djpe...@yahoo.com] Subject: Re: Tracking down OOM - PermGen using jmap and jhat I tried using JConsole's GC button, but clearly this didn't do the trick. Did clicking the button run a major GC (aka PS MarkSweep

RE: Tracking down OOM - PermGen using jmap and jhat

2009-03-10 Thread Caldarale, Charles R
From: Darryl Pentz [mailto:djpe...@yahoo.com] Subject: Re: Tracking down OOM - PermGen using jmap and jhat I found this thread: http://forum.springframework.org/printthread.php?t=21383pp=40 There's a lot of real BS in that thread. There is one accurate and useful statement: What

Tracking down OOM - PermGen using jmap and jhat

2009-03-09 Thread Darryl Pentz
I'm using this article: http://blogs.sun.com/fkieviet/entry/how_to_fix_the_dreaded to try and isolate an apparent memory leak in our web application. It has been functioning fine until a new release which we deployed over this last weekend. Now suddenly we're hitting PermGen OOM's within the

RE: Tracking down OOM - PermGen using jmap and jhat

2009-03-09 Thread Caldarale, Charles R
From: Darryl Po force a entz [mailto:djpe...@yahoo.com] Subject: Tracking down OOM - PermGen using jmap and jhat in both cases when I run jmap/jhat the resulting output shows the memory to still be littered with the application classes. Which is likely the exact memory leak you're looking