jdk1.4 build50
java.util.prefs removeNode() test program fails on solaris on alternate exec.
passes on windows.

-----------------Test program------------------------------
import java.util.prefs.*;
import java.util.*;
 
 
public class RemoveNode {
    public static void main(String[] args) throws Exception {
    try {
           Preferences userRoot = Preferences.userRoot();
           Preferences N1 = userRoot.node("N1");
           N1.clear();
           N1.put("k1","v1");
           //removeNode() called
           N1.removeNode();
           N1.flush();
           //name()
           String name = N1.name();
           if (!name.equals("N1")) {
              throw new Exception ("!name.equals(N1) not ok in RemoveNodeTest01()");
           }
           //absolutePath
           String absolutepath = N1.absolutePath();
           if (!absolutepath.equals("/N1")) {
              throw new Exception ("!absolutepath.equals(/N1) not ok in RemoveNodeTest01()");
           }
           //isUserNode
           if (!N1.isUserNode()) {
              throw new Exception ("!N1.isUserNode() not ok in RemoveNodeTest01()");
           }
           //flush
           N1.flush();
           //nodeExists
           N1.nodeExists("");
           
           System.out.println("RemoveNodeTest01() Pass");
       } catch(Exception e) {
           System.out.println("Exception thrown = " + e);
           System.out.println("RemoveNodeTest01() Fail");
           e.printStackTrace();
       }
    }
}
-------------------------------result on solaris on first time exec----------
javapro:/home/pande/merlin/bugs/prefs/removeNode 153 % java RemoveNode
Java HotSpot(TM) Client VM warning: ValueGen::do_LoopEnter(...) not implemented yet
Java HotSpot(TM) Client VM warning: ValueGen::do_LoopExit(...) not implemented yet
RemoveNodeTest01() Pass

---------------------------result on solairs second time exec----------
javapro:/home/pande/merlin/bugs/prefs/removeNode 154 % java RemoveNode
Java HotSpot(TM) Client VM warning: ValueGen::do_LoopEnter(...) not implemented yet
Java HotSpot(TM) Client VM warning: ValueGen::do_LoopExit(...) not implemented yet
Exception thrown = java.util.prefs.BackingStoreException: java.io.FileNotFoundException: /home/pande/.javaUserPrefs/N1/prefs.xml (No such file or directory)
RemoveNodeTest01() Fail
java.util.prefs.BackingStoreException: java.io.FileNotFoundException: /home/pande/.javaUserPrefs/N1/prefs.xml (No such file or directory)
        at java.util.prefs.FileSystemPreferences.loadCache(FileSystemPreferences.java:308)
        at java.util.prefs.FileSystemPreferences.syncSpi(FileSystemPreferences.java:426)
        at java.util.prefs.AbstractPreferences.sync2(AbstractPreferences.java:1283)
        at java.util.prefs.AbstractPreferences.sync(AbstractPreferences.java:1276)
        at java.util.prefs.FileSystemPreferences.sync(FileSystemPreferences.java:412)
        at java.util.prefs.FileSystemPreferences.flush(FileSystemPreferences.java:442)
        at RemoveNode.main(RemoveNode.java:17)
Caused by: java.io.FileNotFoundException: /home/pande/.javaUserPrefs/N1/prefs.xml (No such file or directory)
        at java.io.FileInputStream.open(Native Method)
        at java.io.FileInputStream.<init>(FileInputStream.java:70)
        at java.io.FileInputStream.<init>(FileInputStream.java:101)
        at java.util.prefs.FileSystemPreferences.loadCache(FileSystemPreferences.java:304)
        ... 6 more
javapro:/home/pande/merlin/bugs/prefs/removeNode 155 %