OK... this error occured when I opened a set of 14 *.java files... as I start 
to edit each one the error messages posted below shows up... once I click ok I 
can continue editing without a problem... I just thought I might post the 
exception let you know... ;)

Fri Mar 16 16:36:30 EST 2001java.lang.NullPointerException: null
Annotation: Exception occurred in Request Processor
org.openide.util.RequestProcessor$Holder(task 
org.netbeans.modules.java.codesync.SourceConnectionSupport$2@7240d9 [-1420, 1])
        at org.openide.util.RequestProcessor$Task.createHolder
(RequestProcessor.java:274)
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:98)
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:71)
        at org.openide.util.RequestProcessor.postRequest
(RequestProcessor.java:157)
        at 
org.netbeans.modules.java.codesync.SourceConnectionSupport.syncConnections
(SourceConnectionSupport.java:210)
        at org.netbeans.modules.java.JavaDataObject.setModified
(JavaDataObject.java:435)
        at org.openide.text.DataEditorSupport$Env.markModified
(DataEditorSupport.java:361)
        at org.openide.text.CloneableEditorSupport.notifyModified
(CloneableEditorSupport.java:844)
        at org.openide.text.EditorSupport$Del.superNotifyModified
(EditorSupport.java:618)
        at org.openide.text.EditorSupport.notifyModified(EditorSupport.java:446)
        at org.netbeans.modules.java.JavaEditor.notifyModified
(JavaEditor.java:517)
        at org.openide.text.EditorSupport$Del.notifyModified
(EditorSupport.java:606)
        at org.openide.text.CloneableEditorSupport$Listener.removeUpdate
(CloneableEditorSupport.java:1261)
        at javax.swing.text.AbstractDocument.fireRemoveUpdate
(AbstractDocument.java:227)
        at org.netbeans.editor.BaseDocument.fireRemoveUpdate
(BaseDocument.java:884)
        at org.netbeans.editor.BaseDocument.remove(BaseDocument.java:611)
        at javax.swing.text.JTextComponent.replaceSelection
(JTextComponent.java:1175)
        at javax.swing.JEditorPane.replaceSelection(JEditorPane.java:905)
        at org.netbeans.editor.BaseKit$DefaultKeyTypedAction.actionPerformed
(BaseKit.java:734)
        at 
org.netbeans.editor.ext.ExtKit$ExtDefaultKeyTypedAction.actionPerformed
(ExtKit.java:756)
        at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:133)
        at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1702)
        at javax.swing.JComponent.processKeyBinding(JComponent.java:2156)
        at javax.swing.JComponent.processKeyBindings(JComponent.java:2182)
        at javax.swing.JComponent.processKeyEvent(JComponent.java:2128)
        at javax.swing.JEditorPane.processKeyEvent(JEditorPane.java:1159)
        at javax.swing.text.JTextComponent.replaceInputMethodText
(JTextComponent.java:3070)
        at javax.swing.text.JTextComponent.processInputMethodEvent
(JTextComponent.java:2931)
        at java.awt.Component.processEvent(Component.java:3560)
        at java.awt.Container.processEvent(Container.java:1164)
        at java.awt.Component.dispatchEventImpl(Component.java:2595)
[catch] at java.awt.Container.dispatchEventImpl(Container.java:1213)
        at java.awt.Component.dispatchEvent(Component.java:2499)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:319)
        at java.awt.EventDispatchThread.pumpOneEvent
(EventDispatchThread.java:103)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:84)
 
Fri Mar 16 16:36:30 EST 2001java.lang.NullPointerException: null
java.lang.NullPointerException
        at org.openide.loaders.ConnectionSupport.register
(ConnectionSupport.java:103)
        at 
org.netbeans.modules.java.codesync.SourceConnectionSupport.registerDependency
(SourceConnectionSupport.java:454)
        at 
org.netbeans.modules.java.codesync.SourceConnectionSupport.addDependency
(SourceConnectionSupport.java:532)
        at 
org.netbeans.modules.java.codesync.ClassDependencyImpl.supertypesAdded
(ClassDependencyImpl.java:223)
        at org.netbeans.modules.java.codesync.ClassDependencyImpl.refreshClass
(ClassDependencyImpl.java:108)
        at 
org.netbeans.modules.java.codesync.SourceConnectionSupport.refreshLinks
(SourceConnectionSupport.java:336)
        at org.netbeans.modules.java.codesync.SourceConnectionSupport.access$000
(SourceConnectionSupport.java:41)
        at org.netbeans.modules.java.codesync.SourceConnectionSupport$2.run
(SourceConnectionSupport.java:212)
        at org.openide.util.Task.run(Task.java:124)
[catch] at org.openide.util.RequestProcessor$ProcessorThread.run
(RequestProcessor.java:567)