Bill Davidson wrote:
I really would like to be able to run these kind of tools across a
firewall. I can't believe there are no provisions for it.
Seems there is now. Haven't tried it yet, but will soon, if I can
upgrade that Tomcat. Previous messages in this thread give more clues.
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André,
André Warnier wrote:
I have been put right about that by someone else already.
Yeah, I'm about 2 days behind on all the drivel on the list. ;)
Not everyone agrees with that solution by the way, because the JConsole
may interfere with the
On 03.02.2009 16:31, Steve Cohen wrote:
We have an application that runs under Tomcat under RHEL 5.0 and is
launched by a jsvc daemon.
It chugs along seemingly fine on several servers, yet yesterday crashed
on one of them with the above exception seemingly without experiencing
any kind of
Christopher Schultz wrote:
[...]
Assuming Chuck has an iPhone, which has 128MB of RAM, I'm not sure I'd
want to run a JVM on that server in the first place. Something tells me
we've been over this before so I won't beat a dead horse.
Chuck assured us, on this forum, that his phone had waaay
Peter Crowther wrote:
From: André Warnier [mailto:a...@ice-sa.com]
Christopher Schultz wrote:
What about forwarding X through the tunnel instead?
You can't, because it is variable. It is the result of some internal
negotiation between Jconsole and the remote JVM.
Apparently, anyway. I haven't
http://solaris.reys.net/english/2006/04/x11_forwarding
Works pretty much the same on any other Linux
Rgds
Gregor
--
just because your paranoid, doesn't mean they're not after you...
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gpgp-key available @ http://pgpkeys.pca.dfn.de:11371
From: André Warnier [mailto:a...@ice-sa.com]
X is not something I use regularly, so when
Chris mentioned X, I thought he was talking about the secondary
connection/port that the JVM/Jconsole agree on, not about
X-terminal and so.
So thanks for the tip, but could you expand even more ?
I
On Thu, Feb 5, 2009 at 11:11 AM, Peter Crowther
peter.crowt...@melandra.com wrote:
OK. If you don't want to put Cygwin on
http://sourceforge.net/projects/xming
Just a simple install, very small, convinient and works like charm.
Rgds
Gregor
--
just because your paranoid, doesn't mean
Hi.
Thanks Chris and Peter and Gregor.
Gregor sent me a link to an article that looks promising, and says
basically the same as Peter below, using XMing as the X11 server
(client?, I can never remember..).
I will try that tonight.
Peter Crowther wrote:
From: André Warnier
From: André Warnier [mailto:a...@ice-sa.com]
using XMing as the X11 server (client?, I can never remember..).
Yeah, X's terminology is very counter-intuitive - I get comments of you're
kidding every time I teach it. An X server serves out the keyboard, mouse and
display. X11 clients connect
From: Gregor Schneider [mailto:rc4...@googlemail.com]
http://sourceforge.net/projects/xming
Just a simple install, very small, convinient and works like charm.
Thanks Gregor, I wasn't aware of that one. Think I may just have a new
preferred X server :-).
- Peter
Peter Crowther wrote:
From: André Warnier [mailto:a...@ice-sa.com]
using XMing as the X11 server (client?, I can never remember..).
Yeah, X's terminology is very counter-intuitive - I get comments of you're
kidding every time I teach it. An X server serves out the keyboard, mouse
and
Mark Thomas wrote:
Peter Crowther wrote:
From: André Warnier [mailto:a...@ice-sa.com]
using XMing as the X11 server (client?, I can never remember..).
Yeah, X's terminology is very counter-intuitive - I get comments of you're
kidding every time I teach it. An X server serves out the
The disadvantage of running these tools on the server that also runs
Tomcat is that these tools generate certain load, which under some
circumstances is not wanted as it might influence the stats.
On Thu, 2009-02-05 at 14:15 +0100, André Warnier wrote:
Mark Thomas wrote:
Peter Crowther wrote:
Christopher Schultz wrote:
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André,
André Warnier wrote:
Christopher Schultz wrote:
What about forwarding X through the tunnel instead?
You can't, because it is variable.
If you forward the X connection, then Jconsole is running locally on the
Christopher Schultz wrote:
What about forwarding X through the tunnel instead?
I've tried that and found it to be unusably slow. Just using
Cygwin/X though. I'm not sure about those fancy light weight
X compression systems.
I really would like to be able to run these kind of tools across a
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André,
André Warnier wrote:
Steve Cohen wrote:
[...]
Which means I'm looking for command-line equivalents for what
JConsole does, particularly the threads tab. Any ideas along that path?
Not really a help here, but as I have discovered
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Steve,
Steve Cohen wrote:
One additional restriction I have is a security bureaucracy from hell.
You can use jmap from the command-line. That will give you a thread dump
which can help you see what all your threads are doing.
If you are using a
Christopher Schultz wrote:
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André,
André Warnier wrote:
Steve Cohen wrote:
[...]
Which means I'm looking for command-line equivalents for what
JConsole does, particularly the threads tab. Any ideas along that path?
Not really a help here, but
From: André Warnier [mailto:a...@ice-sa.com]
Christopher Schultz wrote:
What about forwarding X through the tunnel instead?
You can't, because it is variable. It is the result of some internal
negotiation between Jconsole and the remote JVM.
Apparently, anyway. I haven't managed to make
We have an application that runs under Tomcat under RHEL 5.0 and is
launched by a jsvc daemon.
It chugs along seemingly fine on several servers, yet yesterday crashed
on one of them with the above exception seemingly without experiencing
any kind of abnormal load. I am trying to get a handle
Hi Steve,
Some great tools to monitor your Tomcat installations are:
- Jconsole (make sure you get the topthreads plugin)
- VisualVM
- VisualGC
- Jmap
Hope that helps.
On Tue, 2009-02-03 at 09:31 -0600, Steve Cohen wrote:
We have an application that runs under Tomcat under RHEL 5.0 and is
One additional restriction I have is a security bureaucracy from hell.
As far as console access I have a two-hop connection. As far as GUI
access I have some crappy device to log into that lets me have really
bad keyboard/mouse control of the machine, which, unless I can overcome
this means
Hi Steve,
Also, a good tool for monitoring Tomcat is Lamda Probe
http://www.lambdaprobe.org/d/index.htm
Regards,
Ovidiu
On Tue, Feb 3, 2009 at 9:31 AM, Steve Cohen sco...@javactivity.org wrote:
We have an application that runs under Tomcat under RHEL 5.0 and is
launched by a jsvc
Dear Steve,
One additional restriction I have is a security bureaucracy from
hell. As far as console access I have a two-hop connection.
Is there no test system that you can use to reproduce this, under less
insane restrictions? Have you considered hauling your behind to the
data center
Steve Cohen wrote:
[...]
Which means I'm looking for command-line equivalents for what JConsole
does, particularly the threads tab. Any ideas along that path?
Not really a help here, but as I have discovered JConsole wont't even
work through a simple SSH tunnel, because it wants to
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