What JMX is in reality ?

Hi,
I'm working on a very complex software project design. For my project, a monitoring tool will be crucial ; that's why I'm trying to understand what JMX is. But, I did not find any document explaining what JMX is in reality.
I have three crucial questions :
1) What JMX is in reality ? Do someone know concrete and real situations where JMX has been used and How ?
2) What really is the difference between MBeans and EJBs ?
3) Could I use JMX wnhen in my architecture when there is 50% J2EE and 50% .NET ?
Thanks in advance for any helpful feedback.

1) What JMX is in reality ? JMX is a technology that lets you implement management interfaces for
Java application.
The Management Interface is composed of named objects - called MBeans
(Management Beans). MBeans are registered with a name in an MBeanServer.
The content of the MBeanServer can then be exposed through various
protocols, implemented by protocol connectors, or protocol adaptors.
A protocol connector (e.g. the JMX RMI Connector) exposes the MBeans
as they are - so a remote client sees the same model than a local client.
A protocol adaptor (e.g. an SNMP adaptor) performs (or provides hooks to
let you perform) a model mediation - to adapt the model to what a client
of that protocol (e.g. SNMP Manager) would expect to see.
Today there is one standard connector defined for JMX - which is the
RMI Connector, and comes in two flavors: RMI/JRMP and RMI/IIOP.
There's also a JMX WebServices Connector in the making - which is being
defined by JSR 262.
http://www.jcp.org/en/jsr/detail?id=262
https://ws-jmx-connector.dev.java.net
There are also a number of non-standard connectors, either free or commercial
that have been implemented by the community.
More on JMX:
http://blogs.sun.com/jmxetc/entry/looking_for_jmx_overview_examples
Do someone know concrete
and real situations where JMX has been used and How
?You will find more on tools/products using JMX on the JMX Home Page:
http://java.sun.com/products/JavaManagement/index.jsp
Among other things, JMX is used today to manage the JVM itself. It is also
widely used in the management of application servers.
See:
http://java.sun.com/j2se/1.5.0/docs/tooldocs/index.html#manage
http://java.sun.com/developer/technicalArticles/J2SE/jconsole.html
http://weblogs.java.net/blog/mandychung
Understanding JMX Technology
http://java.sun.com/developer/EJTechTips/2005/tt0222.html#1
Getting Started with Java Management Extensions (JMX): Developing Management and Monitoring Solutions
http://java.sun.com/developer/technicalArticles/J2SE/jmx.html
Managing and Monitoring Web Services in Project GlassFish
http://developers.sun.com/prodtech/appserver/reference/techart/ws_mgmt.html
Using Custom MBeans to Extend the GlassFish Administration System
http://java.sun.com/developer/EJTechTips/2006/tt0327.html#2
2) What really is the difference between MBeans and
EJBs ?An EJB lives in an Application Server container. It usually implement business
logic. An MBean lives in an MBeanServer, and usually implement management
logic (configuration, monitoring, etc)...
3) Could I use JMX wnhen in my architecture when
there is 50% J2EE and 50% .NET ?I am not a .NET user so I'm afraid I can't provide much advice here.
It may depends on the means you have to reach out for your .NET resources
from within your Java/JMX application. If you know how to get at your .NET
resources from Java, then it should be easy to expose them through JMX.
hope this helps,
-- daniel
JMX, SNMP, Java, etc...
http://blogs.sun.com/jmxetc
Thanks in advance for any helpful feedback.Message was edited by:
dfuchs: see also http://blogs.sun.com/jmxetc/entry/what_is_jmx

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a real e-commerce site, that would be less secure than
having the database server behind a firewall.)
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If you are asking how an e-commerce site really
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doesn't involve JDBC or RMI or any Java-specific
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There is a big difference between what you write and reality. Your way you have to wait for the 100 images documents you select to be open in Photoshop. Then manually make the crop,them manually save out a the new image where you want it saved. Then manually close the document. And you must manually do those three manual steps 99 more time. For a total of 300 manual steps.
With the Image processor and action. You set the image processor dialog for the process and click OK, Then select the 100 crops areas by transforming the crop selection everything else is automated.
Interactive means you control the crop selection the action just initiates the interactive selection process for you.. I often do this by recordings a selection of some aspect ratio. Then record transform selection rotating it 180. Followed by recording Image crop as the actions last step. Then I turn on the transform selection step dialog to make that step interactive. When the action is played you get to set the selection by manually transforming the selected area. That will be the area cropped....
The Image process processor Opens each image one at a time. The action sets up a selection which you transform for the crop. The action then crops the document. Then the script saves out the new document and closes the original document and moves onto the next image document.
All you do manually is make 100 transform everything else is automated. 100 manual operation rather then 300 manual operations
Both ways 100 image documents are opened, 100 image are cropped, 100 image documents are saved and 100 image document are closed. .
300 manual steps will take more time then 100 manual steps. Your write up left out 200 required manual steps. The save and closes operation required.

Monitoring, resource managing & logging application for desktop apps.

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Edited by: kashif10 on Feb 18, 2008 5:56 AM

kashif10 wrote:
HI jtahlborn,
actually lets take an example.
LIke I have a samle java console apploication which is running in lopp & printing some thing.
Now I expose it using JMX by exposing the RMI service url.
Now I can see that the application is running using the jconsole remotely.
Now my task is to stop that application or start the application usng jcolsole or any JMX adapter UI.
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note, jboss actually accomplishes jvm restarts via jmx by running the jvm within a script which monitors the return code. a specific return code from the jvm will cause the script to loop and respawn the java process.
As far as logging is concerned.
I mean that the application running remotely send some log messsages to adapter which can be usefull to track where any request stuck. I think notification is the best way to do it.
Or JMS can be useful.jms would probably be overkill for remote logging, but certainly doable. the complication with remote logging is that you probably want to internally buffer some amount of the logs (in case the remote service seems to be hanging), so that you can access some amount of historical information. if you just log through some simple messaging protocol, when you attach to the log, you will only get new messages. like i said, it's not necessarily a trivial thing to implement, so using a 3rd party solution is preferable. for an example of what i'm talking about, check out the jboss jmx appender (adapter for log4j). although i don't think this does any buffering, it can feed another table (the AlarmTable) which can be queried for the current system status.
http://wiki.jboss.org/wiki/Wiki.jsp?page=JMXNotificationAppender

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There is a big difference between what you write and reality. Your way you have to wait for the 100 images documents you select to be open in Photoshop. Then manually make the crop,them manually save out a the new image where you want it saved. Then manually close the document. And you must manually do those three manual steps 99 more time. For a total of 300 manual steps.
With the Image processor and action. You set the image processor dialog for the process and click OK, Then select the 100 crops areas by transforming the crop selection everything else is automated.
Interactive means you control the crop selection the action just initiates the interactive selection process for you.. I often do this by recordings a selection of some aspect ratio. Then record transform selection rotating it 180. Followed by recording Image crop as the actions last step. Then I turn on the transform selection step dialog to make that step interactive. When the action is played you get to set the selection by manually transforming the selected area. That will be the area cropped....
The Image process processor Opens each image one at a time. The action sets up a selection which you transform for the crop. The action then crops the document. Then the script saves out the new document and closes the original document and moves onto the next image document.
All you do manually is make 100 transform everything else is automated. 100 manual operation rather then 300 manual operations
Both ways 100 image documents are opened, 100 image are cropped, 100 image documents are saved and 100 image document are closed. .
300 manual steps will take more time then 100 manual steps. Your write up left out 200 required manual steps. The save and closes operation required.

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http://ppbm7.com/index.php/tweakers-page
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I really admire you and your opinions. They are the foundation of what I am today, (Not kidding, I read so much that you have taught us)
With all due respect, I would like to put forth my opinion on what is being perceived about me or for that matter, anyone desiring a similar goal.
Working in USA is not the Pinnacle of life. Neither are the superbikes and Money. The term what I should have used is Financial Freedom. I have my personal likes and dis likes towards certain 'Material stuff' but that as well in not the pinnacle of life. It is a part of life. As a matter of fact, you cannot put one thing as a pinnacle of life. We should have a balance of all; work, family, friends , personal hobbies and personal development.
If I have to have to work, I would love to be paid my worth, which is not happening in India, due to stiff competition. Earn good enough to pursue my hobbies of riding on a superbike is a way of living which I would like to pursue. This is not a suggestion I am giving to those who are reading.
This being said, it shows that I do not care about SAP as a career, instead I am using it as a tool. So let me clear this out. I had other tempting options as well, which could have led me to a better financial freedom in or out of the country. I had an option to be as a Navision consultant way before I could have gotten a job in SAP. Realizing the fact that I have to work for 8 hours a day for the rest of my life, I would choose to do something that I like. I do like SAP. It's challenging but I like it. I would not strive any career if I don't like it.
And I believe you are living in UK?
I would, with all due respect, ask you to come to India and
1. Work passionately.
2. Learn on a daily basis
3. Try to learn niche skills in your area
4. Help others and try to mentor the juniors
5. Next five years learning is the only way you live
My intentions are not to doubt about your objectives of living there. I really respect the decision you took. I'm sure you would have your reasons which are very specific to your needs.
Simply put:
This goal is pushing me to work harder, staying focused, and achieving new things. If I get this, I will look for a new goal, and push myself even further. This might not make sense to everyone, but honestly I am doing what I believe would make my life better.
I put this question up, just to understand the job market out there and how can I make what I like a reality. I'm sorry if this question sent a different signal out there all together.
Ravi sir, I respect u a lot and will follow your advice. I will work hard for sure.
Thanks for your attention on this thread.
I hope it, any of my opinion did not offend you. If so, I would really like to apologies.
I would really like to know your opinion on my thoughts and guide me, after knowing that I don't keep it as an ultimate goal, as to what would best be of value to my intent to go out.
I would also like to share this beautiful post How to be successful in life ? which talks about what is success in life, and not only SAP. He just might have presented my opinion in a better manner.
PS- I do workouts every morning just so that I stay fit. I really am serious about my fitness, but it doesn't make fitness the pinnacle of life.

Can Mocha Pro object removal be achieved with AE CC 2014?

There's no doubt that Mocha Pro is a great program used in several major productions, but I was wondering, when it comes to object removal, can the same be done, even if it takes more time, with After Effects, and what tools in it would you use for that?

Thank you Rick for your great insight into the process. I really like Mocha, but even $400 (when they offer the 50% discount again) is not money to spend lightly, at least for me, so I really appreciate your input.
As for 3D trackers, recently I tested a few with the same footage, and the two that gave me the best results are the tracker in CC 2014, which solved really well a couple of takes that the others had trouble with, and the Blender tracker. I also tested Mocha Pro and The Foundry's Camera Tracker. I'm sure that if I spent more time with both of those I could probably get a good track as well, but the tracker Mocha gave me was messed up, and Mary told me most likely I would need to setup a lot of planes to make it work. I'll make sure to test that before my trial runs out.
But what I don't see in any tracker, which to me is something so basic that I don't understand how it's not a feature in them, is the ability to manually position trackers in a 3D space. Let's say for example that you shot something in a place where you know exactly where the origin is, and where the tracking points are, meaning the exact distance between the origin and each tracking point. You even setup markers and you do it, if possible, in a way that signifies the X and Z axes. So when it comes to the camera tracker, you can tell it, OK, this point is the origin, tracker A is exactly 10 meters from the origin, tracker B is 15 meters, and so on. You can also tell it that tracker C and D, for example, are the X axis, and trackers D and E are the Z axis. If possible, you can also tell it that trackers F and G are the Y axis.
So the tracker, knowing these things beforehand, can perform a much more accurate tracking and solving. The tracker in AE CC introduced the ability to set the origin, but other than that is very basic and the distances, when taken into a real 3D program, have nothing to do with the real distances in reality. The only one I tried that approximates to this feature is the Blender tracker, which allows to set a scale, and it gets close to what it is in reality, and it is the best tracker I've tried, because it offers a lot of manual features to fine tune. It also takes much longer to setup, but provides a lot of user control.
But if any company could come up with a tracker like that, where you enter the distances manually, I'm sure it would be far more accurate than any other tracker. Is there any tracker like that in the market?

What are the capabilities of JMX

I am a student in the final year and i want to know what are the capabilities (what can i do with it) of JMX.
Some of my teachers are interested on this subject, but unfortunately this technology lacks massive documentation. Can you give me some examples of projects that can be created with JMX ? Maybe I can use JMX in this year project.

The following resources provide useful information regarding Java Management Extensions.
[JMX Technology Overview|http://java.sun.com/javase/6/docs/technotes/guides/jmx/overview/JMXoverviewTOC.html]: Includes sections "What is JMX Technology?" and "Why Use JMX Technology?"
[Java Tutorial: JMX Trail|http://java.sun.com/docs/books/tutorial/jmx/index.html]
[What is JMX?|http://blogs.sun.com/jmxetc/entry/what_is_jmx]
[JMX Documentation|http://java.sun.com/javase/6/docs/technotes/guides/jmx/index.html]
[Online JMX Resources|http://marxsoftware.blogspot.com/2008/03/online-jmx-resources.html]
JMX can be used for many things, but an obvious strength is the ability it provides for Java-based applications to be monitored and managed by software external to the application being monitored and managed.

Monitoring JMX with What's Up Gold v11

I'm not a Java developer but work with a lot of them (I am in IT, not dev). We use What's Up Gold to monitor our servers and applications. We would like to monitor our Java application with What's Up Gold. This includes monitoring Java and Tomcat.
Any help would be appreciated!
We've not been able to even get simple SNMP monitoring going. Would like something more like the JConsole within What's Up Gold.
Thanks,
Chris

Hi,
I am not too sure about how you could possibly plug any of this in "What's Up Gold" as I don't
know this product, but the apache site has some doc about monitoring Tomcat with JMX, using
a JMX ant task on the client side.
http://tomcat.apache.org/tomcat-5.5-doc/monitoring.html
I have also written some example to show how to get at the JVM information using java, or jruby..
See:
http://blogs.sun.com/jmxetc/entry/a_small_program_that_prints
http://blogs.sun.com/jmxetc/entry/how_to_retrieve_jvm_information
http://blogs.sun.com/jmxetc/entry/how_to_retrieve_remote_jvm
Hope this helps,
-- daniel
http://blogs.sun.com/jmxetc

What JMX is in reality ?

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