Is there any way to set certain properties that will be applicable for all java processes(java.exe,javaw.exe for windows) running on that machine ?
More clearly suppose I want to use a specific timezone to be applied for all java processes running in that machine(without changing the system timezone).
I know we can pass it as -D argument, but it will be applicable only for that java process right.But I need it in the other way- for every java process started.
Is there any way to do that?
Tried with Java 8:
You can use the environment variable _JAVA_OPTIONS to specify default parameters for java.exe and javaw.exe, for example
C:> set _JAVA_OPTIONS=-Dfile.encoding=UTF-8
Quick and dirty test for javaw:
package com.example;
import javax.swing.JFrame;
import javax.swing.JTextPane;
public class PropertyTest {
public static void main(String[] args) {
String value = (String) System.getProperties().get("file.encoding");
JTextPane txt = new JTextPane();
txt.setText(value);
JFrame main = new JFrame();
main.add(txt);
main.setVisible(true);
}
}
C:> javaw com.example.PropertyTest
C:> set _JAVA_OPTIONS=-Dfile.encoding=UTF-8
C:> javaw com.example.PropertyTest
By setting the environment variable as a system environment variable, it applies to all java processes.
See also
