How to run Java program as Daemon Server in linux

How to run Java program as Daemon Server in linux
i would like to run the java program on system start up in a redhat linux system
can any one provide rc.status file

http://wrapper.tanukisoftware.org/

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How to run java program from website?

Hello
I'd like to know how to run java program from my web page.
I'd like to push some button in this web page so java program that would be on my server
would pop-up. Can it be done automaticaly upon running this web site? (without any buttons - I just enter website and program pops up).
Cheers

I rather thought about RMI. But I could try servlets. So how it would look like?.
I would make http request in browser (enter address) and program would show up in its window?. And I would not have to change anything in my program?. This program would run then on both boxes?. One remotely and one not?.
But I would have to learn some basics, I've never worked with servlets. Could you suggest some good sites about it?. With ready examples so I could tweak them to my purpose.
Message was edited by:
macmacmac

How to run java program on clients system when system strats

hi
I want to run java program on clients computer automatically when system boots up. plzzzzz help me .......

You can add the call to the java program to the auto start group (under windows).
You can't start a client program when the server starts, if that is what you mean.
Timo

Running java program as a server

Please advise of what's difference in running java program with -server option and just runing it like java program1?
Thx

-server option uses the server VM for the program and if you use -client it will be run using client VM. Default is client.
The main difference is the optimations. When you are running with -client option the program is optimized to startup faster and to give better response times.
-server option optimizes for better resourse management which is important than start up time in server systems

How to run java programs on machines without JDK

I want to make an installer for my java program that would work on machines even without JDK or Java runtime. How should I go?

Here's another point.
There is no particular need to "install" anything to run java. You can simply copy the jre to a directory of your choice, and from that directory invioke the JVM as you need it.

How to run java program in e-business suite?

I created a java program to create/update item in e-business suite,but i don't know how to run it.
Edited by: 919265 on 06-Mar-2012 23:06

The following metalink notes will helpful for u too
Java Concurrent Program FAQ [ID 827575.1]
How To Create a Java Concurrent Program? [ID 827563.1]
How to register and execute Java Concurrent Program ?in Oracle Applications R11i ? [ID 186301.1]
Regards
Mazhar Hussain

How to run java programs from a master java program?

Hello,
I have several java programs which run from the command prompt. I am seeking help with code for starting java programs from within a java program. For example, a program called master.java works something like this:
import java.*;
create connection pool
create variables and result sets
start/run slave1.java (var1, var2);
start/run slave2.java (var3, var4, var5);
start/run slave3.java (var1, var4);
end of program master.java
Each of the slave.java programs will run for up to an hour. I do not want the master.java program to pause for each slave program to stop. Instead, the master program will keep running and multiple slave programs will be running simultaneously with the master program. When a slave program starts, it is on its own. Also, if possible, I would like to have each of these slave.java programs open in a new separate command window, so I can observe each slave program running in separate windows.
Any suggestions for code or helpful documentation are greatly appreciated.
Thank you,
Logan

Thank you all.
At the bottom of master.java I have successfully started a batch file with these lines:
String jcmd = "cmd.exe /c start c:/data/simulations/MsgViewCount2.bat";
Process proc = Runtime.getRuntime().exec(jcmd);
But I still cannot get a java program to start. Here is one variation I have tried:
String [] cmdArray = new String[2];
cmdArray[0] = "java";
cmdArray[1] = "slave1";
Runtime runtime = Runtime.getRuntime();
Process process = runtime.exec(cmdArray);
This compiles, and no errors occur, but nothing happens.
Regarding this comment:
Why Runtime.exec? Either make the slaves Runnable or
just call their main() methods.
Oh, I see. Sepearate output. :PNone of the slave.java programs have any output.
Thanks again.

How to run java program created in Sun Java Studio

Hi All,
sorry for easy question. I'm new in java.
I have created Swing/AWT application with Sun Java Studio. I can run it using Sun Java Studio and it works properly. How to run this application in DOS-promt using "java ....."? I think, I shall define all classpathes but I dont know exactly.
Enviroment:
WinXP
Sun Java Studio (C:\Sun\studio5u1_se)
SDK (C:\Sun\j2sdk1.4.2_04)
Application files (C:\Sun\My)
Thanks.

change this to yours
set path=c:\j2sdk1.4.1_01\bin;c:\j2sdk1.4.1_01\jre\bin;%path%
set classpath=c:\j2sdk1.4.1_01\lib;c:\jdk1.4.1_01\jre\lib;%classpath%
go to directory where code is
javac CLASSNAME.java
then to run it
java CLASSNAME
note also look at executable jar files

How to run Java Swing GUI on embedded ARM Linux platform?

The object is:
A touch panel, running Java Swing GUI, with a 25 fps 320x320 mono JPEG image animation and other control buttons.
What I have now:
A Developing Board with: ARM926 CPU at 266MHz, 128M RAM, 64M ROM, ported with arm-linux and MiniGUI.
My plan is:
1. installing a X-window system to the platform, discarding the MiniGUI.
2. install j2re-1.3.1-RC1-linux-arm.tar.bz2 to the platform.
3. run my program developed on a PC.
My concerns are:
1. Both X and Java is resource consuming, can a 266MHz ARM CPU meet my requirement?
2. Is the X a must to run Java Swing GUI? If yes, how can I configure it to minimize the footprint, I mean, install only necessary modules.
3. Can J2RE 1.3.1, the only port for arm linux, support Swing classes?
4. Are there other options, such as CDC + PP(AGUI?), how to do it?
Thanks alot!

3. Can J2RE 1.3.1, the only port for arm linux, support Swing classes?I'm not entirely sure from your post: is this a J2SE port? If so it will support Swing, but probably needs Qt.

How to run java GUI application on embedded ARM linux board

Hi friends,
This is suresh. I am Embedded developer .Right now i am using Embedded linux board biased by TI OMAP IC (arm7) .This is working fine.Actually we created one jar application .It is working good in GPOS.But when i was running that jar file in my embedded board. i got some errors. Last two weeks i was searching on the net.But still didn't get proper output.Right now i having "java 1.7.0_60" with headful support package for arm7. Here i have attached my error screen shot.Thanks

Using the package manger in your Linux distribution, try installing libX11 package. We had a similar issue using Java SE 8 embedded on arch Linux as with some distros you are starting from the bare basics and need to add in missing dependencies.

How to Set up the variables and others to compile and Run Java Programs

Hello,
I have just downloaded the jdk1.6.0_07 and jre1.6.0_07 and installed it in C:\Program files\Java in my Windows XP ,So please tell me how to sett up the enviroment variables etc to compile and run Java Programs from Command Prompt.
thanks

To set the PATH permanently, add the full path of the jdk1.6.0_<version>\bin directory to the PATH variable. Typically this full path looks something like C:\Program Files\Java\jdk1.6.0_<version>\bin. Set the PATH as follows on Microsoft Windows:
1. Click Start > Control Panel > System on Windows XP or Start > Settings > Control Panel > System on Windows 2000.
2. Click Advanced > Environment Variables.
3. Add the location of bin folder of JDK installation for PATH in User Variables and System Variables. A typical value for PATH is:
C:\Program Files\Java\jdk1.6.0_<version>\bin

How to call java program from ABAP

Hi Experts,
My requirement is to call java programs from ABAP. For that i have set up SAP JCO connection by using this link http://www.sdn.sap.com/irj/scn/weblogs?blog=/pub/wlg/739. [original link is broken] [original link is broken] [original link is broken] Connection gets sucessfully. After this how to call java program from ABAP as per our requirement. Please help me out.
Also i tried this way also.. but while executing the DOS Command line appear & disappear in few seconds. So couldnt see the JAVA output. Please help me out to call java programs in ABAP..
DATA:command TYPE string VALUE 'D:Javajdk1.6.0_20 injavac',
parameter TYPE string VALUE 'D:java MyFirstProgram'.
CALL METHOD cl_gui_frontend_services=>execute
EXPORTING
application = command
parameter = parameter
OPERATION = 'OPEN'
EXCEPTIONS
cntl_error = 1
error_no_gui = 2
bad_parameter = 3
file_not_found = 4
path_not_found = 5
file_extension_unknown = 6
error_execute_failed = 7
OTHERS = 8.
Thanks.

This depends on the version of your Netweaver Java AS. If you are running 7.0, you will have to use the Jco framework. The Jco framework is deprecated since 7.1 though. If you want to build a RFC server in 7.1 or higher, it is adviced that you set it up through JRA.
Implement an RFC server in 7.0:
http://help.sap.com/saphelp_nw04/helpdata/en/6a/82343ecc7f892ee10000000a114084/frameset.htm
Implement an RFC server in 7.1 or higher:
http://help.sap.com/saphelp_nwce72/helpdata/en/43/fd063b1f497063e10000000a1553f6/frameset.htm

How to call java program by HTML page

Hi guys,
I'm new java programer and want to build an HTML page to access to ORACLE database on NT server by JDBC, Can anyone give me a sample?
I already know how to access database by JDBC, but I don't know how to call java program by HTML page.
If you have small sample,pls send to me. [email protected], thanks in advance
Jian

This code goes with the tutorial from this web page
http://java.sun.com/docs/books/tutorial/jdbc/basics/applet.html
good luck.
* This is a demonstration JDBC applet.
* It displays some simple standard output from the Coffee database.
import java.applet.Applet;
import java.awt.Graphics;
import java.util.Vector;
import java.sql.*;
public class OutputApplet extends Applet implements Runnable {
private Thread worker;
private Vector queryResults;
private String message = "Initializing";
public synchronized void start() {
     // Every time "start" is called we create a worker thread to
     // re-evaluate the database query.
     if (worker == null) {
     message = "Connecting to database";
worker = new Thread(this);
     worker.start();
* The "run" method is called from the worker thread. Notice that
* because this method is doing potentially slow databases accesses
* we avoid making it a synchronized method.
public void run() {
     String url = "jdbc:mySubprotocol:myDataSource";
     String query = "select COF_NAME, PRICE from COFFEES";
     try {
     Class.forName("myDriver.ClassName");
     } catch(Exception ex) {
     setError("Can't find Database driver class: " + ex);
     return;
     try {
     Vector results = new Vector();
     Connection con = DriverManager.getConnection(url,
                              "myLogin", "myPassword");
     Statement stmt = con.createStatement();
     ResultSet rs = stmt.executeQuery(query);
     while (rs.next()) {
          String s = rs.getString("COF_NAME");
          float f = rs.getFloat("PRICE");
          String text = s + " " + f;
          results.addElement(text);
     stmt.close();
     con.close();
     setResults(results);
     } catch(SQLException ex) {
     setError("SQLException: " + ex);
* The "paint" method is called by AWT when it wants us to
* display our current state on the screen.
public synchronized void paint(Graphics g) {
     // If there are no results available, display the current message.
     if (queryResults == null) {
     g.drawString(message, 5, 50);
     return;
     // Display the results.
     g.drawString("Prices of coffee per pound: ", 5, 10);
     int y = 30;
     java.util.Enumeration enum = queryResults.elements();
     while (enum.hasMoreElements()) {
     String text = (String)enum.nextElement();
     g.drawString(text, 5, y);
     y = y + 15;
* This private method is used to record an error message for
* later display.
private synchronized void setError(String mess) {
     queryResults = null;
     message = mess;
     worker = null;
     // And ask AWT to repaint this applet.
     repaint();
* This private method is used to record the results of a query, for
* later display.
private synchronized void setResults(Vector results) {
     queryResults = results;
     worker = null;
     // And ask AWT to repaint this applet.
     repaint();

Reg:Unix shellscripts running java programs

hi,
We are using unix shell scripts , by running that script it will execute some java programs.
when we running shell scripts, which executes the programs it is generating some log files ie some error is occuring.
i want to why these files are generating
Thanks and Regards,
Meer S.

HI ,
we are running the shell script which runs java programs,
we are getting the result no problem ,
but it is generating the unwanted ORBTRC files
we are using websphere application server.
we donot want these orbtrc files.
HOW CAN WE DISABLE THE FILES
pls guide this.
Thanks and regards,

Running java program at windows startup

I need to run java program at startup and then it will continue to run in its own thread.
Any body having idea how to do that programmatically?
Zeeshan

This is one option but this is not feasible in my scenario as this application will be running over a network which involves hundreds of computer so is there any way to do it programatically?
I mean if I can load java class file through an exe file then I can load my class file in the startup using C++.
Any Suggestions.
thanks for the help
regards,
Zeeshan

How to run Java program as Daemon Server in linux

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