On 28/07/2023 13:50, Rémy Maucherat wrote:
On Thu, Jul 27, 2023 at 5:04 PM Mark Thomas wrote:
I've refactored things to the point where the unit tests run without
generating any warnings for pinning. I suspect further issues will be
identified over time and we can address those as they are
On Thu, Jul 27, 2023 at 5:04 PM Mark Thomas wrote:
>
> I've refactored things to the point where the unit tests run without
> generating any warnings for pinning. I suspect further issues will be
> identified over time and we can address those as they are found.
Ok, so the changes for Loom are:
I've refactored things to the point where the unit tests run without
generating any warnings for pinning. I suspect further issues will be
identified over time and we can address those as they are found.
Mark
On 25/07/2023 10:21, Mark Thomas wrote:
Never mind. Pretty much as soon as I hit
Never mind. Pretty much as soon as I hit send I managed to trigger the
issue.
Mark
On 25/07/2023 10:19, Mark Thomas wrote:
Daniel,
How did you trigger the pinning? I'm running some basic tests with
-Djdk.tracePinnedThreads=short and I'm not seeing any pinned threads
reported.
Mark
On
Daniel,
How did you trigger the pinning? I'm running some basic tests with
-Djdk.tracePinnedThreads=short and I'm not seeing any pinned threads
reported.
Mark
On 07/07/2023 13:45, Daniel Andres Pelaez Lopez wrote:
Mark,
Thanks for letting me know. I will wait for the August release to
Mark,
Thanks for letting me know. I will wait for the August release to test.
Regards.
El jue, 6 jul 2023 a las 15:13, Mark Thomas () escribió:
>
>
> 6 Jul 2023 20:09:01 Daniel Andres Pelaez Lopez :
>
> > I am aware Tomcat community did a great effort to move Tomat to
> > Virtual Threads
6 Jul 2023 20:09:01 Daniel Andres Pelaez Lopez :
I am aware Tomcat community did a great effort to move Tomat to
Virtual Threads friendly, but I am not sure why HTTP2 was not part of
that effort?
The plan was always to see where the bottlenecks were as folks start to
experiment with Loom
Hi community,
I am working on a Spring Boot + Tomcat embedded application using
Virtual Threads (https://openjdk.org/jeps/425), and everything looks
great until we activate HTTP2. We started to see the following logs:
Thread[#72,ForkJoinPool-1-worker-9,5,CarrierThreads]
This is the third time you have posted essentially the same query to
this list. Please see the responses to your previous 2 posts.
Mark
On 10/11/2020 10:16, Aquib Khan wrote:
> Hi,
>
>
>
> We have a usecase where we want that our application should indicate
> when it reaches maximum thread
Hi,
We have a usecase where we want that our application should indicate when it
reaches maximum thread limit. Our application is deployed in tomcat. Maximum
thread limit of tomcat is 200, so If 200 threads are reached, does tomcat
provide any logger information?
We tried making multiple
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Mitchell,
On 10/21/14 8:08 PM, Smith, Mitchell wrote:
Tomcat7 Java1.7_025
Thanks for adding the version numbers.
How are you configuring Tomcat's thread pool? Either through one or
more Connectors or with one or more Executors. Can you post the
Hi
I have an issue where my applicaion servers have recently started failing
with OOM - cannot create native thread errors. However the dump files all
show he majority of threads (over 90%) like the following:
pool-21088-thread-1 - Thread t@36407
java.lang.Thread.State: WAITING
at
Tomcat7
Java1.7_025
On 21 October 2014 20:06, Smith, Mitchell mitchell.sm...@cwc.com wrote:
Hi
I have an issue where my applicaion servers have recently started failing
with OOM - cannot create native thread errors. However the dump files all
show he majority of threads (over 90%) like the
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Danilo,
On 4/1/14, 8:37 PM, Danilo Amaral de Oliveira wrote:
Hello Chritopher,
You make score. Exactly, I am waiting 500 users on the peak time.
The archive is in a separated storage in our environment. So, I
think that it is not a limiting
Hello Tomcat Community,
Next week we will deploy a institutional video to all company (more than 5k
users) in a webpage in an application manges by the Tomcat 7.0.40. I have made
a stress test through JMeter, simulating a lot of simultaneous access, and when
the simultaneous access reaches 100
On Apr 1, 2014, at 11:03 AM, Danilo Amaral de Oliveira
danilo.olive...@energisa.com.br wrote:
Next week we will deploy a institutional video to all company (more than 5k
users) in a webpage in an application manges by the Tomcat 7.0.40. I have
made a stress test through JMeter, simulating a
-feira, 1 de abril de 2014 15:52
Para: Tomcat Users List
Assunto: Re: Configuring limits of requests/sessions/threads in Tomcat
On Apr 1, 2014, at 11:03 AM, Danilo Amaral de Oliveira
danilo.olive...@energisa.com.br wrote:
Next week we will deploy a institutional video to all company (more than 5k
Danilo Amaral de Oliveira wrote:
Hello Tomcat Community,
Next week we will deploy a institutional video to all company (more than 5k
users) in a webpage in an application manges by the Tomcat 7.0.40. I have made
a stress test through JMeter, simulating a lot of simultaneous access, and when
On Apr 1, 2014, at 12:00 PM, Danilo Amaral de Oliveira
danilo.olive...@energisa.com.br wrote:
The video is embedded in a JWPlayer Javascript application. The video is in
the page too, but you need download it before watch it.
Since users have to download the video, I'm guessing it isn't
Danilo Amaral de Oliveira wrote:
Milo,
The video is embedded in a JWPlayer Javascript application. The video is in
the page too, but you need download it before watch it.
Summarizing, here the simulating process of watching the video:
User access the page | Tomcat serve the
André Warnier wrote:
Danilo Amaral de Oliveira wrote:
Milo,
The video is embedded in a JWPlayer Javascript application. The video
is in the page too, but you need download it before watch it.
Summarizing, here the simulating process of watching the video:
User access the page
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Danilo,
On 4/1/14, 2:03 PM, Danilo Amaral de Oliveira wrote:
Next week we will deploy a institutional video to all company (more
than 5k users) in a webpage in an application manges by the Tomcat
7.0.40. I have made a stress test through JMeter,
or copy its contents. Please notify sender and delete immediately.
-Mensagem original-
De: Christopher Schultz [mailto:ch...@christopherschultz.net]
Enviada em: terça-feira, 1 de abril de 2014 18:32
Para: Tomcat Users List
Assunto: Re: Configuring limits of requests/sessions/threads in Tomcat
/threads in Tomcat
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Danilo,
On 4/1/14, 2:03 PM, Danilo Amaral de Oliveira wrote:
Next week we will deploy a institutional video to all company (more
than 5k users) in a webpage in an application manges by the Tomcat
7.0.40. I have made a stress test
On Tue, Apr 1, 2014 at 9:30 PM, Frederik Nosi frederik.n...@postecom.itwrote:
If so, just put an nginx or such in front of you'r Tomcat, you dont need
an application server for that, it's just like using a tank to shoot a
mosquito :P
Wow, LOL!
Thanks Dan, I got it. Thank you for the answer.
-Ravi
--- On Mon, 29/10/12, Daniel Mikusa dmik...@vmware.com wrote:
From: Daniel Mikusa dmik...@vmware.com
Subject: Re: How to get the number of live threads in Tomcat 6?
To: Tomcat Users List users@tomcat.apache.org
Received: Monday, 29 October
updated?
My aim is just to know the number of active threads in tomcat6. Is there any
command/way to get the number of live threads in tomcat 6? My tomcat is
running on RHEL6 64bit server.
There are a few tools, the best choice depends on exactly what you are trying
to do.
1.) You could
).
Med venlig hilsen/Kind regards
Casper/Kalle
-Original Message-
From: Tim Watts [mailto:t...@cliftonfarm.org]
Sent: 18. maj 2012 21:54
To: Tomcat Users List
Subject: Re: Threads in Tomcat
On Fri, 2012-05-18 at 12:14 -0400, Vance - wrote:
I'm maintaining a Web application for searching
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Vance,
On 5/18/12 12:29 PM, Vance - wrote:
The servlet I have in mind for modification is the one responsible
for performing the search as well as for getting the next page of
search results. If one or more of the wikis is unavailable, I want
to
suggested the following questions to look into:
· Does the spawned thread have a time limit imposed by Tomcat?
· Does it take up worker thread space from other Tomcat threads?
I'd appreciate any help anyone could give w.r.t. these questions.
into:
· Does the spawned thread have a time limit imposed by
Tomcat?
No.
· Does it take up worker thread space from other Tomcat
threads?
No.
Your thread will take up RAM and CPU time of course. Also, processes
have thread limits and your thread will count against that.
- -chris
into:
· Does the spawned thread have a time limit imposed by
Tomcat?
No.
· Does it take up worker thread space from other Tomcat
threads?
No.
Your thread will take up RAM and CPU time of course. Also, processes
have thread limits and your thread will count against that.
- -chris
other Tomcat threads?
I believe the simple answer to these is No. Which is to say I don't
believe Tomcat per se enforces such limits. However, it may be possible
that an active SecurityManager could impose them. Would be unusual
though -- especially the 1st question.
I'd appreciate any help
While benchmarking, I want to know if/when tomcat requires more threads
(maxThreads).
How can I figure this out?
i.e. I start benchmarking tomcat to see how it reacts to a high-traffic
spike, I want to make sure that tomcat isn't hitting the maxThreads when my
server has the ability resource
On 28/12/2011 22:27, S Ahmed wrote:
While benchmarking, I want to know if/when tomcat requires more threads
(maxThreads).
How can I figure this out?
Look in the logs. Tomcat reports the first time (and only the first
time) it hits maxThreads.
Mark
:
http://www.nabble.com/Blocked-threads-in-Tomcat-web-app-tp24457682p24457682.html
Sent from the Tomcat - User mailing list archive at Nabble.com.
-
To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
For additional
On 13.07.2009 10:12, Raphael Neve wrote:
Hello all,
I have a problem with a web application using Tomcat 5.5.27 under Fedora
Linux and database Firebird 2.1.
The application runs fine for a day or so, then I begin getting blocked
threads. Eventually, the heap space runs out and the
/p24458247/thread%2Bdump.txt thread+dump.txt
--
View this message in context:
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On 13.07.2009 11:05, Raphael Neve wrote:
Rainer Jung-3 wrote:
TP-Processor16 owns lock at 0x73a71c40 and thus blocks TP12, TP5 and TP1.
TP16 and TP2 both wait for lock 0x73a71dd0. The thread holding this lock
is not in your dump.
Since the lock is of type
. Is that wrong ? I
suppose I should not rely on the finalizer for this task ? But then what is
the best way to handle this ? How can I put in place a mecanism to securize
my application in this area ?
Thanks for you insights,
Raphael
--
View this message in context:
http://www.nabble.com/Blocked-threads
On 13.07.2009 11:31, Raphael Neve wrote:
Rainer Jung-3 wrote:
[...]
Yup, and the code run by the finalizer makes a network call (likely to
the database), which seems to be a very bad pattern. Finalizers are not
a great idea by themselves, but one needs to keep them as simple as
possible.
.
Thanks a lot for your help, I'm going to read up about that !
Raphael
--
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Hi all,
on one of our websites we have a problem with threads keep hanging in
Tomcat. We first noticed this 1.5 week ago and tried several things to
find a solution. At that moment we were using java 1.4 and Tomcat 5.0.
The symptoms were there after three hours of operation, about 250
Patrick Plaatje wrote:
Hi all,
on one of our websites we have a problem with threads keep hanging in
Tomcat. We first noticed this 1.5 week ago and tried several things to
find a solution. At that moment we were using java 1.4 and Tomcat 5.0.
The symptoms were there after three hours of
Thanks for the swift replies, i have two dump, appr a few seconds apart
uploaded to:
http://www.ipros.nl/uploads/catalina_stripped_1.out
http://www.ipros.nl/uploads/catalina_stripped_2.out
Thanx,
Patrick
Mark Thomas schreef:
Patrick Plaatje wrote:
Hi all,
on one of our websites we
From: Patrick Plaatje [mailto:patr...@ipros.nl]
Subject: hanging threads on Tomcat
- 309 threads overall
- Threads waiting for monitors: 57
- Threads sleeping on monitors: 191
- Threads locking monitors: 225
- Monitors: 225
- Monitors without locking threads: 3
Haven't looked at your
From: Patrick Plaatje [mailto:patr...@ipros.nl]
Subject: Re: hanging threads on Tomcat
Thanks for the swift replies, i have two dump, appr a few
seconds apart uploaded to:
You appear to be out of database connections. This is almost always caused by
webapp code not disposing of result
Patrick Plaatje wrote:
Thanks for the swift replies, i have two dump, appr a few seconds
apart uploaded to:
http://www.ipros.nl/uploads/catalina_stripped_1.out
http://www.ipros.nl/uploads/catalina_stripped_2.out
Many threads appear to be waiting on the same instance of
On Fri, Oct 31, 2008 at 5:52 PM, Caldarale, Charles R
[EMAIL PROTECTED] wrote:
From: emerson cargnin [mailto:[EMAIL PROTECTED]
Subject: Blocked threads in tomcat
Below is the JConsole result, you can see that there are a lot of
blocked threads on there.
Stack trace:
java.lang.Object.wait
From: emerson cargnin [mailto:[EMAIL PROTECTED]
Subject: Blocked threads in tomcat
Below is the JConsole result, you can see that there are a lot of
blocked threads on there.
Stack trace:
java.lang.Object.wait(Native Method)
org.apache.commons.httpclient.MultiThreadedHttpConnectionManag
Madhav wrote:
Hi,
I want to know the values of maxThreads, minSpareThreads parameters as well
as the number of 'available' worker threads inside a servlet in Tomcat 6.
I tried googling with -- find worker threads in Tomcat-- and similar phrases
but was not able to get the above info. Could
, André Warnier [EMAIL PROTECTED] wrote:
Madhav wrote:
Hi,
I want to know the values of maxThreads, minSpareThreads parameters as
well
as the number of 'available' worker threads inside a servlet in Tomcat 6.
I tried googling with -- find worker threads in Tomcat-- and similar
phrases
Madhav wrote:
Hi André,
Thanks for the reply, but the link is about configuring Tomcat which I know.
What I'm looking for is how to get these information inside servlet, i.e. in
java code. Please let me know that or point me to any resource if you know
that.
I don't really know.
But I can
André Warnier wrote:
Madhav wrote:
Hi André,
Thanks for the reply, but the link is about configuring Tomcat which I
know.
What I'm looking for is how to get these information inside servlet,
i.e. in
java code. Please let me know that or point me to any resource if you
know
that.
I
Hi,
I want to know the values of maxThreads, minSpareThreads parameters as well
as the number of 'available' worker threads inside a servlet in Tomcat 6.
I tried googling with -- find worker threads in Tomcat-- and similar phrases
but was not able to get the above info. Could anyone help me
The latest version of the service manager (aka tomcatNw.exe) has the ability
to generate a thread dump for Tomcat running as a service. If this isn't an
option in the menu on your version, you can upgrade just this component by
grabbing tomcat6.exe and tomcat6w.exe from the most recent 6.0
- Original Message -
From: Thangavel Sankaranarayanan [EMAIL PROTECTED]
To: users@tomcat.apache.org
Sent: Friday, August 01, 2008 4:05 PM
Subject: Status of threads in Tomcat( window service)
Hi,
Please help me in find no of threads and thier status spawned by tomcat
connector
From: Johnny Kewl [mailto:[EMAIL PROTECTED]
From: Thangavel Sankaranarayanan [EMAIL PROTECTED]
i am using tomcat as a window service
..so i couldn't create a thread dump...
http://localhost:8080/manager/status
will give you some info on thread usage
This assumes the OP has the manager
Hello Frederic,
unless you are using the SingleThreaded Model (and you shouldn't)
tomcat does no such thing.
I assume the best way is to show us your servlet code, or to check for
synchronized blocks in it.
regards
Leon
On Tue, Jul 1, 2008 at 6:11 AM, Fredrik Tolf [EMAIL PROTECTED] wrote:
Hi
:[EMAIL PROTECTED]
Sent: 01 July 2008 05:11
To: Tomcat Users List
Subject: Blocking threads in Tomcat
Hi list!
I've had some issues with requests not being carried out in
parallel by
Tomcat. My problem is that I haven't been able to figure out when a
worker thread blocks and when it does
, 2008 6:11 AM
To: Tomcat Users List
Subject: Blocking threads in Tomcat
Hi list!
I've had some issues with requests not being carried out in
parallel by Tomcat. My problem is that I haven't been able to
figure out when a worker thread blocks and when it does not.
To try and pin down
On Tue, 2008-07-01 at 08:46 +0200, Leon Rosenberg wrote:
Hello Frederic,
unless you are using the SingleThreaded Model (and you shouldn't)
tomcat does no such thing.
There's no way I could be doing any such thing unknowingly, such as it
being the default, right?
I assume the best way is to
interesting, can you provide your webapp + configs for download and test?
Leon
On Tue, Jul 1, 2008 at 3:16 PM, Fredrik Tolf [EMAIL PROTECTED] wrote:
On Tue, 2008-07-01 at 08:46 +0200, Leon Rosenberg wrote:
Hello Frederic,
unless you are using the SingleThreaded Model (and you shouldn't)
From: Fredrik Tolf [mailto:[EMAIL PROTECTED]
Subject: Re: Blocking threads in Tomcat
There's no way I could be doing any such thing unknowingly,
such as it being the default, right?
No, single-thread is not the default.
When, on the other hand, I'm running two requests to /ls
Fredrik Tolf wrote:
When, on the other hand, I'm running two requests to /ls
simultaneously,
What tool do you use to perform requests? Regular web browser?
Try with something more 'generic' - wget or ab.
--
Mikolaj Rydzewski [EMAIL PROTECTED]
On Tue, 2008-07-01 at 09:16 -0500, Caldarale, Charles R wrote:
When, on the other hand, I'm running two requests to /ls
simultaneously, there is only one thread from the pool in
the doGet function.
Any chance the client (or some overly helpful anti-DOS firewall)
is serializing requests
Hi list!
I've had some issues with requests not being carried out in parallel by
Tomcat. My problem is that I haven't been able to figure out when a
worker thread blocks and when it does not.
To try and pin down the behavior, I did a little experiment. I took a
servlet that I had, that handles
Manivannan Palanichamy wrote:
I need to design a web application that may use threads. Thats, the web
application might have to read some 200 files from network. In order to
speed up the process, I've decided to use threads/thread pooling. But,
however I know it is not a good practice to use
Hi
I need to design a web application that may use threads. Thats, the web
application might have to read some 200 files from network. In order to
speed up the process, I've decided to use threads/thread pooling. But,
however I know it is not a good practice to use threads in a web/server
Hi,
I found that the daemon threads created by my Tomcat webapp won't automatically
stop when the webapp itself is stopped or undeployed/redeployed.
As Tomcat itself is a java application there will always be user threads in the
jvm even when your webapp is stopped.. which makes the daemon
On Mon, 7 Nov 2005 11:36:16 +0800
Augmentin [EMAIL PROTECTED] wrote:
Hi,
I found that the daemon threads created by my Tomcat
webapp won't automatically stop when the webapp itself is
stopped or undeployed/redeployed.
As Tomcat itself is a java application there will always
be user threads in
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