Need Information on an Application (intel) called Java VisualVM.

Need Information on an Application (intel) called Java VisualVM. I dont know where it came from, whats it's for and why it is there? More importantly, how to get rid of it?
Thanks guys.

Hello Ram
regarding "environment parameters" there might be one "disadvantage". If you would have the need to change the parameter you need a transport. May be there are other useful options which could be of interest:
As you may be now you can store user dependent parameters on the level of the SAP user. One example is:
You (as the user) can select a property tree. This selection of a property tree can be stored on userid level (therefore if you log off and log on once again the selection property is your "default" one,)l. Regarding this option you do not need a customizing parameter. The "cons" of this options are:
a.) you must prepare this "parameter" like a constant in your program to be read from user profile
b.) you should make sure that the user can only select from a number of values or if the user is using a value which is not allowed you need some "error" handling routine
So may be this option is not so "robust" but is used very often in SAP and in SAP EH&S.
With best regards
C.B.

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First, please start here:
http://blogs.oracle.com/shay/2007/03/02/
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Thanks in advance.

There are different solutions...
It depends if you have the sourcecode (.java) to the other process or not.
Then you could implement an interface the could call the main method and let class B call that method.
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Hi Carolina,
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Old thread, but I was having the exact same problem and fixed it, so maybe this will help someone else in the future.
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Hi !
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Here's my code:
1. The serializable object:
// Object Obj
import java.io.*;
public class Obj implements Serializable
public int n;
public Obj ()
n = 0;
public Obj (int n)
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// Application Sub
import java.io.*;
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public static void main (String [] args)
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ObjectOutputStream oos;
Obj obj;
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3. The application AMain (caller application)
// Application AMain
import java.io.*;
class AMain
private static File f;
private static FileWriter fw;
public static void main (String [] args)
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Runtime r;
Process p;
ObjectInputStream ois;
ObjectOutputStream oos;
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r = Runtime.getRuntime ();
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oos.flush ();
B.comunica (obj);
System.out.println ("AMain sends to Sub: " + obj.toString ());
try
p.waitFor ();
catch (InterruptedException e)
System.out.println ("Subprogram was interrupted");
System.out.println (e.toString ());
ois = new ObjectInputStream (p.getInputStream ());
System.out.print ("Sub sends to AMain: ");
obj2 = (Obj) ois.readObject ();
System.out.println (" " + obj2.toString ());
oos.close ();
ois.close ();
p.destroy ();
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// Servlet SMain
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
import java.io.*;
import java.util.*;
public class SMain extends HttpServlet
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throws ServletException, IOException
Runtime r;
Process p;
ObjectInputStream ois;
ObjectOutputStream oos;
Obj obj, obj2;
int state, i;
res.setContentType ("text/html");
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out.println ("<body>");
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out.println (" ");
try
r = Runtime.getRuntime();
p = r.exec ("java -cp .;c:\\Programs\\Apache~1.0\\webapps\\SMain\\WEB-INF\\classes Sub");
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catch (InterruptedException e)
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out.println (" " + e.toString () + " ");
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p.destroy ();
catch (SecurityException e)
out.println (" SecurityException ");
out.println (" " + e.toString () + " ");
catch (IOException e)
out.println (" IOException ");
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johnpoole said:
�It's hard to guess what would cause the exception without seeing code, but the interaction between the processes would differ from that between two applications, because the servlet process is started with a different class loader. I'm not sure which one the jvm started by the call would use.�
How can I enforce that a System classloader be used in the call to Runtime.getRuntime ().exec () ? (I mean by System classloader a classloader equals to the one applications are launched from console).
johnpoole said
�Is there a reason why you aren't starting the second process manually and then connecting to it on a port?�
The idea is providing a Web interface for an application running in the server. The servlet is used to restrict access to this application but once access is granted (passing the servlet) the application should not be constrained.

Calling Java Application from another

How can i call a Java Application from another java App.
eg., If my Java application is called MyApp and i would like call another java application from within it.
One way could be by using "System". I would like to know if there is any other method and is portable.
Thanks in advance.

hi,
it works and not!
if you start an other class with a command like this the 2nd prog/class terminates too if you terminate the caller-class!
dear
oliver scorp

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Need Information on an Application (intel) called Java VisualVM.

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