Invalid reporting URL that starts with xml:// generate NPE

Reporting URL that starts with xml:// generate exception in Command-Line.
How to reproduce:
1. Go to JavaTest Harness Preferences -> Test Manager -> Reporting
2. Enter bug prefix URL that starts with xml:// and invalid (for example, xml://windows/javatest?=)
3. Run test suite with KFL. Create Report. HTML report should contain links with bug prefix URL.
4. Open report and click on the link. The following exception will be thrown:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
        at com.sun.javatest.exec.MultiFormatPane$Listener.processGeneralLink(Mul
tiFormatPane.java:516)
        at com.sun.javatest.exec.MultiFormatPane$Listener.hyperlinkUpdate(MultiF
ormatPane.java:472)
        at javax.swing.JEditorPane.fireHyperlinkUpdate(JEditorPane.java:345)
        at javax.swing.text.html.HTMLEditorKit$LinkController.activateLink(HTMLE
ditorKit.java:877)
        at javax.swing.text.html.HTMLEditorKit$LinkController.mouseClicked(HTMLE
ditorKit.java:676)
        at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:27
0)
        at java.awt.Component.processMouseEvent(Component.java:6513)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3323)
        at java.awt.Component.processEvent(Component.java:6275)
        at java.awt.Container.processEvent(Container.java:2229)
        at java.awt.Component.dispatchEventImpl(Component.java:4866)
        at java.awt.Container.dispatchEventImpl(Container.java:2287)
        at java.awt.Component.dispatchEvent(Component.java:4691)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832
)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4501)

        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
        at java.awt.Container.dispatchEventImpl(Container.java:2273)
        at java.awt.Window.dispatchEventImpl(Window.java:2719)
        at java.awt.Component.dispatchEvent(Component.java:4691)
        at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:703)
        at java.awt.EventQueue.access$000(EventQueue.java:102)
        at java.awt.EventQueue$3.run(EventQueue.java:662)
        at java.awt.EventQueue$3.run(EventQueue.java:660)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDo
main.java:75)
        at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDo
main.java:86)
        at java.awt.EventQueue$4.run(EventQueue.java:676)
        at java.awt.EventQueue$4.run(EventQueue.java:674)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDo
main.java:75)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:673)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThre
ad.java:216)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.
java:135)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:123)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:119)

        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:111)

        at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)