java.lang.NullPointerException
        at org.netbeans.lib.cvsclient.command.BasicCommand.setFiles(BasicCommand.java:97)
        at org.netbeans.modules.versioning.system.cvss.ui.syncview.SynchronizePanel.executeUpdateCommand(SynchronizePanel.java:322)
        at org.netbeans.modules.versioning.system.cvss.ui.syncview.SynchronizePanel.refreshStatuses(SynchronizePanel.java:294)
        at org.netbeans.modules.versioning.system.cvss.ui.syncview.SynchronizePanel.performRefreshAction(SynchronizePanel.java:289)
        at org.netbeans.modules.versioning.system.cvss.ui.syncview.CvsSynchronizeTopComponent.performRefreshAction(CvsSynchronizeTopComponent.java:181)
        at org.netbeans.modules.versioning.system.cvss.ui.actions.status.StatusAction.actionPerformed(StatusAction.java:51)
        at org.netbeans.modules.versioning.system.cvss.ui.actions.SystemActionBridge.actionPerformed(SystemActionBridge.java:37)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1863)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2183)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
        at javax.swing.AbstractButton.doClick(AbstractButton.java:302)
        at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1135)
        at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1176)
        at java.awt.Component.processMouseEvent(Component.java:5921)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3322)
        at java.awt.Component.processEvent(Component.java:5686)
        at java.awt.Container.processEvent(Container.java:1962)
        at java.awt.Component.dispatchEventImpl(Component.java:4360)
        at java.awt.Container.dispatchEventImpl(Container.java:2020)
        at java.awt.Component.dispatchEvent(Component.java:4194)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4224)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3888)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3818)
        at java.awt.Container.dispatchEventImpl(Container.java:2006)
        at java.awt.Window.dispatchEventImpl(Window.java:2059)
        at java.awt.Component.dispatchEvent(Component.java:4194)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:592)
[catch] at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:270)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:198)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:171)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:166)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:158)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:119)