NullPointerException in serial console screen

[chino]

Have noticed a crash if something takes over the port while in serial console screen.

Jan 4, 2015 12:52:31 AM nl.lxtreme.ols.util.internal.Activator logEnvironment
INFO: LogicSniffer running on macos, 10.9.5 (x86-64); Apple Inc., v1.6.0_65.
java.io.IOException: No such port!
    at nl.lxtreme.ols.io.serial.CommConnectionFactory.createConnection(CommConnectionFactory.java:111)
    at nl.lxtreme.ols.io.ConnectorServiceImpl.open(ConnectorServiceImpl.java:160)
    at org.sump.device.logicsniffer.LogicSnifferDevice.createStreamConnection(LogicSnifferDevice.java:159)
    at org.sump.device.logicsniffer.LogicSnifferDevice.getStreamConnection(LogicSnifferDevice.java:245)
    at org.sump.device.logicsniffer.LogicSnifferDevice.createAcquisitionTask(LogicSnifferDevice.java:87)
    at nl.lxtreme.ols.acquisition.BackgroundDataAcquisitionService.acquireData(BackgroundDataAcquisitionService.java:76)
    at nl.lxtreme.ols.client.ClientController.repeatCaptureData(ClientController.java:1165)
    at nl.lxtreme.ols.client.action.RepeatCaptureAction.actionPerformed(RepeatCaptureAction.java:82)
    at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)
    at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)
    at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
    at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
    at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
    at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
    at java.awt.Component.processMouseEvent(Component.java:6414)
    at javax.swing.JComponent.processMouseEvent(JComponent.java:3275)
    at java.awt.Component.processEvent(Component.java:6179)
    at java.awt.Container.processEvent(Container.java:2084)
    at java.awt.Component.dispatchEventImpl(Component.java:4776)
    at java.awt.Container.dispatchEventImpl(Container.java:2142)
    at java.awt.Component.dispatchEvent(Component.java:4604)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4618)
    at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4279)
    at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4209)
    at java.awt.Container.dispatchEventImpl(Container.java:2128)
    at java.awt.Window.dispatchEventImpl(Window.java:2492)
    at java.awt.Component.dispatchEvent(Component.java:4604)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:717)
    at java.awt.EventQueue.access$400(EventQueue.java:82)
    at java.awt.EventQueue$2.run(EventQueue.java:676)
    at java.awt.EventQueue$2.run(EventQueue.java:674)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:86)
    at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:97)
    at java.awt.EventQueue$3.run(EventQueue.java:690)
    at java.awt.EventQueue$3.run(EventQueue.java:688)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:86)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:687)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
java.lang.NullPointerException
    at java.awt.font.TextLayout.getBaselineFromGraphic(TextLayout.java:2652)
    at java.awt.font.TextMeasurer.initAll(TextMeasurer.java:228)
    at java.awt.font.TextMeasurer.<init>(TextMeasurer.java:150)
    at java.awt.font.LineBreakMeasurer.<init>(LineBreakMeasurer.java:292)
    at java.awt.font.LineBreakMeasurer.<init>(LineBreakMeasurer.java:259)
    at nl.lxtreme.jvt220.terminal.swing.SwingFrontend.updateTerminalImage(SwingFrontend.java:637)
    at nl.lxtreme.jvt220.terminal.swing.SwingFrontend$1.run(SwingFrontend.java:466)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:715)
    at java.awt.EventQueue.access$400(EventQueue.java:82)
    at java.awt.EventQueue$2.run(EventQueue.java:676)
    at java.awt.EventQueue$2.run(EventQueue.java:674)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:86)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:685)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)