FULL PRODUCT VERSION :
java 7 u 21

FULL OS VERSION :
Windows 7

A DESCRIPTION OF THE PROBLEM :
LaunchingConnector fails if the path to java.exe contains blanks (for example C:\Program Files\Java\jre7\bin\java.exe):

java.io.IOException: Cannot run program " C:\Program " : CreateProcess error=2, Das System kann die angegebene Datei nicht finden
at java.lang.ProcessBuilder.start(Unknown Source)
at java.lang.Runtime.exec(Unknown Source)
at java.lang.Runtime.exec(Unknown Source)
at com.sun.tools.jdi.AbstractLauncher$Helper.launchAndAccept(AbstractLauncher.java:162)
at com.sun.tools.jdi.AbstractLauncher.launch(AbstractLauncher.java:114)
at com.sun.tools.jdi.SunCommandLineLauncher.launch(SunCommandLineLauncher.java:217)


THE PROBLEM WAS REPRODUCIBLE WITH -Xint FLAG: Did not try

THE PROBLEM WAS REPRODUCIBLE WITH -server FLAG: Did not try

REGRESSION. Last worked in version 7u21

ERROR MESSAGES/STACK TRACES THAT OCCUR :
java.io.IOException: Cannot run program " C:\Program " : CreateProcess error=2, Das System kann die angegebene Datei nicht finden
at java.lang.ProcessBuilder.start(Unknown Source)
at java.lang.Runtime.exec(Unknown Source)
at java.lang.Runtime.exec(Unknown Source)
at com.sun.tools.jdi.AbstractLauncher$Helper.launchAndAccept(AbstractLauncher.java:162)
at com.sun.tools.jdi.AbstractLauncher.launch(AbstractLauncher.java:114)
at com.sun.tools.jdi.SunCommandLineLauncher.launch(SunCommandLineLauncher.java:217)


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------

// main programm

import java.util.Map;

import com.sun.jdi.Bootstrap;
import com.sun.jdi.connect.Connector;
import com.sun.jdi.connect.LaunchingConnector;

public class Launch {

public static void main(String[] a) throws Exception {
LaunchingConnector connector = Bootstrap.virtualMachineManager()
.defaultConnector();
Map args = connector.defaultArguments();
Connector.Argument main = (Connector.Argument) args.get( " main " );
main.setValue( " test.Test " );
Connector.Argument options = (Connector.Argument) args.get( " options " );
options.setValue( " -classpath \ " . " + " \ " " );
try {
System.out.println(args);
connector.launch(args);
} catch (Exception e) {
e.printStackTrace();
return;
}
Thread.sleep(1000);
}
}

// with this test class

package test;

import javax.swing.JFrame;

public class Test {

public Test() {
JFrame frame = new JFrame( " hallo " );
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setBounds(2, 2, 300, 400);
frame.setVisible(true);
}
public static void main(String[] args) {
new Test();

}

}

---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
Putting java.exe in another folder (for example C:\Programme\Java\jre7\bin\java.exe):