FileDialog.setDirectory() throws exception on Linux & Solaris

api/java_awt/interactive/ComponentTests.html#ComponentTests[ComponentTest0002] test fails with exception. Fails on Linux and Solaris since b43 and up to b46 , passes before b43. Passes on Windows XP.

To reproduce:
1. click "Start Test 2" button
2. Click "File" menu
3. click "Open..."
4. select file and click "Open"
5. Click "File" menu again and exception will be thrown

Exception:

Exception occurred during event dispatching:
java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
        at java.awt.Component.getLocationOnScreen_NoTreeLock(Unknown Source)
        at java.awt.Component.getLocationOnScreen(Unknown Source)
        at sun.awt.X11.XChoicePeer$UnfurledChoice.placeOnScreen(Unknown Source)
        at sun.awt.X11.XChoicePeer.removeAll(Unknown Source)
        at java.awt.Choice.removeAll(Unknown Source)
        at sun.awt.X11.XFileDialogPeer.setDirectory(Unknown Source)
        at java.awt.FileDialog.setDirectory(Unknown Source)
        at javasoft.sqe.tests.api.java.awt.interactive.ComponentTests$ctestLnr.actionPerformed(ComponentTests.java:854)
        at java.awt.MenuItem.processActionEvent(Unknown Source)
        at java.awt.MenuItem.processEvent(Unknown Source)
        at java.awt.MenuComponent.dispatchEventImpl(Unknown Source)
        at java.awt.MenuComponent.dispatchEvent(Unknown Source)
        at java.awt.EventQueue.dispatchEvent(Unknown Source)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.run(Unknown Source)

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Test's run command:

$>/set/stt/jdk_promotions/JDK6.0/b43/binaries/linux-i586/jre1.6.0/bin/java -cp /set/stt/jck_promotions/6.0/beta/b04/binaries/JCK-runtime-60/classes javasoft.sqe.tests.api.java.awt.interactive.ComponentTests -TestCaseID ComponentTest0002

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I created code for reproducing : ComponentCut.java
=========================================================================
import java.awt.Button;
import java.awt.Frame;
import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.MenuItem;
import java.awt.FileDialog;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class ComponentCut {

FileDialog openDialog;

public static void main(String[] arg){
ComponentCut cc = new ComponentCut();
cc.run();
}

public void run(){

Frame ctest = new Frame("Test 2");
openDialog = new FileDialog(ctest,
"Open File...",
FileDialog.LOAD);
MenuBar mb = new MenuBar();
Menu m = new Menu("File");
MenuItem mi;
ctestLnr listener = new ctestLnr();
m.add(mi = new MenuItem("Open..."));
mi.addActionListener(listener);
mb.add(m);
ctest.setSize(300, 150);
ctest.setMenuBar(mb);
ctest.setVisible(true);
}

class ctestLnr implements ActionListener {
public void actionPerformed(ActionEvent e) {
            String name = e.getActionCommand();

if (name.equals("Open...")) {

openDialog.setDirectory("/tmp"); //Exception thrown here
openDialog.setVisible(true);
if(openDialog.getFile() != null) {
System.out.println("OPEN: " +
openDialog.getDirectory() +
openDialog.getFile() + "\n");
}
    }
}
    }
}