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To: tomcat-dev@jakarta.apache.org
From: Costin Manolache <cmanolache@yahoo.com>
Subject: Re: JMX Remote connection
Date: Thu, 07 Oct 2004 12:55:00 -0700
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Jess Holle wrote:
> In general the same-user, same-machine stuff works great (including with 
> Tomcat 5) if you specify
> 
>    -Dcom.sun.management.jmxremote
> 
> as part of the command line.

Again - remember not everyone is using Sun JDK1.5 implementation.

My understanding is Macs don't have 1.5 yet, neither most other platforms.


> 
> This is without any special web app or such.
> 
> What I really want to see is a nice bit of code that allows you to fire 
> up a JMX RMI connector that:
> 
>    * Finds the first free port in a range (e.g. assuming you have a
>      number of slave processes, this does not apply to Tomcat as it
>      does not have such logic for it AJP port, etc).
>    * Support user/password and SSL
>    * Does not rely on implementation internals, i.e. requiring Java 5
>      is fine, but having hooks into sun.* or MX4J or whatever classes
>      is no good

That's not hard to add. You actually need the first free port in the 
range for rmiregistry - or you can use existing rmiregistry if one is 
found.

You need different rmi names - that's easier.

Adding user/pass/ssl is not hard - if someone has the itch it shouldn't 
be a problem. javax.man.remote has all that's needed AFAIK. IF you look 
at jmxremote webapp that I checked in - there is no mx4j or sun code, 
just plain javax.


Costin


> 
> -- 
> Jess Holle
> 
> Remy Maucherat wrote:
> 
>> Dominik Drzewiecki wrote:
>>
>>>
>>>> I couldn't get the attach to process thing to work, though (= 
>>>> without a port). Is it supposed to be doable ?
>>>
>>>
>>>
>>>
>>> Neither have I (I am talking of tomcat running as Windows service). 
>>> It seems that both processes : tomcat JVM and jconsole JVM have to be 
>>> owned by the same user. Maybe that is the case with you? Hovewer, 
>>> starting tomcat from my system account solves the problem.
>>> For more info see:
>>> http://java.sun.com/j2se/1.5.0/docs/guide/management/jconsole.html
>>>
>>> <cut>
>>> Both jconsole and the application must by executed by the same user 
>>> name. The management and monitoring system uses the operating 
>>> system's file permissions.
>>> </cut>
>>
>>
>>
>> I'm running both with the same usename on Windows, and it doesn't 
>> work. Since it's Windows and I like to be able to do stuff, I of 
>> course run with root privileges. Seems to me it would work on Unix, 
>> but is currently broken on Windows (I use XP pro SP 2), or something. 
>> Over a TCP port, it works good.
>>
>> I couldn't find a comprehensive guide on all these nice system 
>> properties, while there's tons of docs on the new command line commands.
>>
>> If I use the service, which runs with the SYSTEM account, it of course 
>> doesn't work any better ;)
>>
>> R�my
>>
>>
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> 
> 
> 


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