RE: Tomcat thread dump analysis

2013-05-09 Thread Jeffrey Janner
> -Original Message- > From: Charles Richard [mailto:charle...@thelearningbar.com] > Sent: Thursday, May 09, 2013 7:03 AM > To: Tomcat Users List > Subject: Re: Tomcat thread dump analysis > > On Wed, May 8, 2013 at 6:16 PM, Christopher Schultz < > ch...@ch

Re: Tomcat thread dump analysis

2013-05-09 Thread Charles Richard
On Wed, May 8, 2013 at 6:16 PM, Christopher Schultz < ch...@christopherschultz.net> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA256 > > Charles, > > On 5/8/13 1:57 PM, Charles Richard wrote: > > I appreciate the friendly feedback! How do I show a lock? I don't > > see any threads that h

RE: Tomcat thread dump analysis

2013-05-08 Thread Caldarale, Charles R
> From: Christopher Schultz [mailto:ch...@christopherschultz.net] > Subject: Re: Tomcat thread dump analysis > > It would appear that logic in your application threads has either > > created a deadlock, or failed to unlock something before > > returning, > That&#

Re: Tomcat thread dump analysis

2013-05-08 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Charles, On 5/8/13 1:57 PM, Charles Richard wrote: > I appreciate the friendly feedback! How do I show a lock? I don't > see any threads that have a "BLOCKED" status. I do get this when I > do a grep: > > [root@web01 stacks]# grep locked tomcat1_20

Re: Tomcat thread dump analysis

2013-05-08 Thread Charles Richard
bar.com] > >> Subject: Re: Tomcat thread dump analysis > > > >> Here is a full thread dump > > > > Which again shows no Tomcat involvement in the locking hang. > > +1 > > At least it confirms OP is actually running Tomcat, which wasn't > eviden

Re: Tomcat thread dump analysis

2013-05-08 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Chuck, On 5/8/13 11:25 AM, Caldarale, Charles R wrote: >> From: Charles Richard [mailto:charle...@thelearningbar.com] >> Subject: Re: Tomcat thread dump analysis > >> Here is a full thread dump > > Which again shows n

RE: Tomcat thread dump analysis

2013-05-08 Thread Caldarale, Charles R
> From: Charles Richard [mailto:charle...@thelearningbar.com] > Subject: Re: Tomcat thread dump analysis > Top-posting is a post after another one I'm assuming? No, it's doing what you keep on doing - posting the response before the query it applies to (you could have l

Re: Tomcat thread dump analysis

2013-05-08 Thread Charles Richard
Chris, Top-posting is a post after another one I'm assuming? And sorry if it wasn't related to Tomcat, I was just excited to finally making a bit of headway on this issue. Here is a full thread dump, sorry in advance if this doesn't follow the etiquette on posting thread dumps: "TP-Processor396"

Re: Tomcat thread dump analysis

2013-05-08 Thread Daniel Mikusa
On May 8, 2013, at 8:39 AM, Charles Richard wrote: > Just saw this which I believe describes exactly what is happening: > > http://forums.terracotta.org/forums/posts/list/6470.page > > We are using Spring as well. Trying to understand the solution: If this is the problem that you're experienci

Re: Tomcat thread dump analysis

2013-05-08 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Charles, On 5/8/13 8:31 AM, Charles Richard wrote: > On Wed, May 8, 2013 at 9:27 AM, Daniel Mikusa > wrote: >> On May 8, 2013, at 8:20 AM, Charles Richard wrote: >> >>> Hi, >>> >>> We have a weird issue on our site which some random trigger >>> e

Re: Tomcat thread dump analysis

2013-05-08 Thread Charles Richard
Just saw this which I believe describes exactly what is happening: http://forums.terracotta.org/forums/posts/list/6470.page We are using Spring as well. Trying to understand the solution: Charles On Wed, May 8, 2013 at 9:31 AM, Charles Richard < charle...@thelearningbar.com> wrote: > We are u

Re: Tomcat thread dump analysis

2013-05-08 Thread Charles Richard
We are using Terracotta which is a bit of a black box to me (setup I've inherited). Terracotta helps us with the Tomcat sessions being "transportable" across front end servers. Cheers! Charles On Wed, May 8, 2013 at 9:27 AM, Daniel Mikusa wrote: > > On May 8, 2013, at 8:20 AM, Charles Richard

Re: Tomcat thread dump analysis

2013-05-08 Thread Daniel Mikusa
On May 8, 2013, at 8:20 AM, Charles Richard wrote: > Hi, > > We have a weird issue on our site which some random trigger event will > backup all c3p0 connections until it hits the max pool size. > > I have scripts that will do a softReset on the c3p0 connection pool when > they hit their max so

Re: Tomcat thread dump analysis

2013-05-08 Thread Charles Richard
Oh and sorry, we are using Tomcat 6.0.30 . Cheers! On Wed, May 8, 2013 at 9:20 AM, Charles Richard < charle...@thelearningbar.com> wrote: > Hi, > > We have a weird issue on our site which some random trigger event will > backup all c3p0 connections until it hits the max pool size. > > I have sc