Perhaps your file associations got messed up. At the command prompt, try running ftype | find “jarfile” On my 64-bit Windows 7 computer, that shows jarfile=”C:\Program Files (x86)\Java\jre6\bin\javaw.exe” -jar “%1″ %* You can also change it with ftype: ftype jarfile=”C:\Program Files (x86)\Java\jre6\bin\javaw.exe” -jar “%1” %*
String javaHome = System.getProperty(“java.home”); Can you tell me either through pure Java … on windows how is it possible to find out the location of javaw.exe? E.G. import java.io.File; class JavawLocation { public static void main(String[] args) { String javaHome = System.getProperty(“java.home”); File f = new File(javaHome); f = new File(f, “bin”); f = new … Read more
If you want to start a java program without console popup under windows, this should be helpful: In command prompt type the following: start javaw -jar -Xms1024m -Xmx1024m crafty.jar If you want you can also write this as a batch file.
I had the same problem, and it turns out that the .jar file association in the registry was broken. The following steps fixed it: Open the Registry Editor, and navigate to HKEY_CLASSES_ROOT\jarfile\shell\open\command, and modify the value of the Default key as follows Replace [Location of your JRE] in “[Location of your JRE]\bin\javaw.exe” -jar “%1” %* … Read more
java.exe is the console app while javaw.exe is windows app (console-less). You can’t have Console with javaw.exe.
See Java tools documentation for: java command1/javaw command2 The java tool launches a Java application. It does this by starting a Java runtime environment, loading a specified class, and invoking that class’s main method. The javaw command is identical to java, except that with javaw there is no associated console window. Use javaw when you … Read more