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From Eugène Adell <Eugene.Ad...@d2-si.eu>
Subject RE:Local VisualVM connection to Tomcat
Date Tue, 23 Jul 2013 06:22:08 GMT

I had a similar problem when using jps/jstat and finally I found someone advising to use -J-Djava.io.tmpdir
option. It worked for me, try adding -J-Djava.io.tmpdir when calling visualvm


________________________________________
De : Howard W. Smith, Jr. [smithh032772@gmail.com]
Envoyé : mardi 23 juillet 2013 00:55
À : Tomcat Users List
Objet : Re: Local VisualVM connection to Tomcat

On Mon, Jul 22, 2013 at 3:10 PM, honyk <j.tosovsky@email.cz> wrote:

> On 2013-06-28 Christopher Schultz wrote:
> > On 6/27/13 5:17 PM, honyk wrote:
> > > I realized that my tomcat runs as a service but I am logged as an
> > > user and in this case the tomcat is not visible to me. I'll test it
> > > differently tomorrow.
> >
> > Try running VisualVM as an administrator.
>
> I've found the problem, but I have no remedy for it yet.
> https://java.net/projects/visualvm/lists/users/archive/2013-07/message/2
>
> Briefly, the service uses the TMP environment variable as it is specified
> for the given user, but when that user is logged remotely, the suffix
> \<session_number> is added at the end of this path so these both do not
> match and VisualVM doesn't detect my tomcat/JVM as expected.
>
>
I know Chris bashed me for this earlier (on this list), politely, and/or
recommended or said something about not to login via administrator into my
Windows Server 2008 R2 web app server running TomEE (tomcat7), but...

in response to this thread, I login to my Windows SErver 2008 R2 web app
server, always, as administrator, and yes (confirmed as Chuck mentioned
earlier in this thread),

> The possibility of services interacting with the desktop disappeared some
time ago.

so, I just specify a JMX port in my java settings for my TomEE (tomcat7)
running as windows service, and specify the JMX port in Java Visual VM, and
voila, I think this is saved to Windows registry (or somewhere), and I
always see my TomEE (tomcat7) instance when I run Java Visual VM.

Of course, the JMX port is not opened on the firewall/router. i just login
remotely via remote desktop connection and do what I need to do (stop
tomcat7 service, update my app in tomee/webapps, and start tomcat7 service).

Others may disagree, but i have found this to be quite secure and as it was
said earlier in this thread... a piece of cake. :)


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