To reproduce the problem do the following:

Bring up javatest with an existing workdirectory
Bring up Edit Configuration
Bring up Save As dialog box
Change the Files of Type to All Files
Enter a file name
Click on Save file


Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
        at java.lang.String.endsWith(String.java:1296)
        at com.sun.javatest.exec.ConfigEditor.saveConfigFile(ConfigEditor.java:1356)
        at com.sun.javatest.exec.ConfigEditor.getSaveFile(ConfigEditor.java:374)
        at com.sun.javatest.exec.ConfigEditor.save0(ConfigEditor.java:324)
        at com.sun.javatest.exec.ConfigEditor.saveAs(ConfigEditor.java:316)
        at com.sun.javatest.exec.ConfigEditor.perform(ConfigEditor.java:977)
        at com.sun.javatest.exec.ConfigEditor.access$100(ConfigEditor.java:64)
        at com.sun.javatest.exec.ConfigEditor$Listener.actionPerformed(ConfigEditor.java:1454)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
        at javax.swing.AbstractButton.doClick(AbstractButton.java:302)
        at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1000)
        at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1041)
        at java.awt.Component.processMouseEvent(Component.java:5488)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3093)
        at java.awt.Component.processEvent(Component.java:5253)
        at java.awt.Container.processEvent(Container.java:1966)
        at java.awt.Component.dispatchEventImpl(Component.java:3955)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Component.dispatchEvent(Component.java:3803)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
        at java.awt.Container.dispatchEventImpl(Container.java:2010)
        at java.awt.Window.dispatchEventImpl(Window.java:1766)
        at java.awt.Component.dispatchEvent(Component.java:3803)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:234)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)