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Run my Java program as a deamon process (Linux + Java)

Posted on 2006-07-05
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Last Modified: 2012-05-05
Hi,

I have a java program, and I would like to run it as deamon prcoess,

This is what I mean: when I type "java myProgram" on the command line, the program should be running in the background, and the system will return to the command line for another command.
The java program only tereminte when the computer reboots.

Anyhelp will be appericiated.
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Question by:huabin
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10 Comments
 
LVL 86

Accepted Solution

by:
CEHJ earned 400 total points
ID: 17044580
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Author Comment

by:huabin
ID: 17044611
can i do it without the wrapper? in just pure java code? thanks.
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LVL 86

Expert Comment

by:CEHJ
ID: 17044637
No. You can't really run a program in the background in Windows unless you run it as a service. This requires native code.

You can start a program using javaw.exe and then close the command window leaving the process running, but that's messy
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LVL 23

Assisted Solution

by:Ajay-Singh
Ajay-Singh earned 400 total points
ID: 17045281
You can do the same thing by running a java process that starts the actual java program, as

while(true) {
    Process process = Runtime.getRuntime().exec(...);
    int code = process.waitFor();
}
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LVL 92

Assisted Solution

by:objects
objects earned 400 total points
ID: 17047156
Just start it with javaw instead of java :)
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LVL 92

Expert Comment

by:objects
ID: 17047158
in linux use:

java MyClass &
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LVL 8

Assisted Solution

by:kaliyugkaarjun
kaliyugkaarjun earned 400 total points
ID: 17048369
Chk this link

http://www.jcp.org/en/jsr/detail?id=96

it is Java Daemon JSR 96 [JSR about developing cross platform daemons]

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LVL 13

Assisted Solution

by:Webstorm
Webstorm earned 400 total points
ID: 17049248
If you're using Windows :

start javaw App
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