I get several "Exception in thread "AWT-EventQueue-0" java.lang.​NullPointe​rException​" errors during a MATLAB session. Help.

6 views (last 30 days)
Hello:
I get several errors that read: "Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at ..." and then it lists several items here. I have no idea what to do here. I have the latest version of Java installed on my MacBook Pro (10.10.4) running MATLAB 7.10.0.
I get this error no matter what I do in the program. If I manually edit an element in a variable, if I press any key that communicates with the program, if I run a script, etc. For example, here's immediately after I load MATLAB after a hard restart of my machine and want to bring up the help doc for the plot function:
EDU>> doc plot
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at com.mathworks.widgets.WindowsWidgetFactory$SearchAndClearButton.anyText(WindowsWidgetFactory.java:187)
at com.mathworks.widgets.WindowsWidgetFactory$SearchAndClearButton.getIcon(WindowsWidgetFactory.java:195)
at com.apple.laf.AquaButtonUI.setThemeBorder(AquaButtonUI.java:91)
at com.apple.laf.AquaButtonUI.installDefaults(AquaButtonUI.java:58)
at javax.swing.plaf.basic.BasicButtonUI.installUI(BasicButtonUI.java:71)
at javax.swing.JComponent.setUI(JComponent.java:670)
at javax.swing.AbstractButton.setUI(AbstractButton.java:1815)
at javax.swing.JButton.updateUI(JButton.java:128)
at javax.swing.AbstractButton.init(AbstractButton.java:2182)
at javax.swing.JButton.<init>(JButton.java:118)
at javax.swing.JButton.<init>(JButton.java:73)
at com.mathworks.mwswing.MJButton.<init>(MJButton.java:71)
at com.mathworks.widgets.WindowsWidgetFactory$SearchAndClearButton.<init>(WindowsWidgetFactory.java:153)
at com.mathworks.widgets.WindowsWidgetFactory$SearchAndClearButton.<init>(WindowsWidgetFactory.java:167)
at com.mathworks.widgets.WindowsWidgetFactory.createSearchAndClearButton(WindowsWidgetFactory.java:58)
at com.mathworks.widgets.WindowsWidgetFactory.createSearchWidgetButtonSet(WindowsWidgetFactory.java:93)
at com.mathworks.widgets.SearchTextField.buildDefaultComponent(SearchTextField.java:517)
at com.mathworks.widgets.SearchTextField.buildComponent(SearchTextField.java:480)
at com.mathworks.widgets.SearchTextField.init(SearchTextField.java:182)
at com.mathworks.widgets.SearchTextField.<init>(SearchTextField.java:173)
at com.mathworks.widgets.SearchTextField.<init>(SearchTextField.java:160)
at com.mathworks.mde.help.SearchInputPanel.<init>(SearchInputPanel.java:74)
at com.mathworks.mde.help.HelpNavigator.addSearchTextField(HelpNavigator.java:193)
at com.mathworks.mde.help.HelpNavigator.<init>(HelpNavigator.java:114)
at com.mathworks.mde.help.HelpBrowser.<init>(HelpBrowser.java:135)
at com.mathworks.mde.help.HelpBrowser.createHelpBrowser(HelpBrowser.java:640)
at com.mathworks.mde.help.HelpBrowser.getInstance(HelpBrowser.java:623)
at com.mathworks.mde.help.HelpBrowser.access$2600(HelpBrowser.java:74)
at com.mathworks.mde.help.HelpBrowser$HelpBrowserRunnable.run(HelpBrowser.java:1317)
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)
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at com.mathworks.mde.help.HelpBrowser$11.whenHelpBrowserExists(HelpBrowser.java:835)
at com.mathworks.mde.help.HelpBrowser$HelpBrowserRunnable.run(HelpBrowser.java:1318)
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)
Thanks, your help is VERY appreciated.

Answers (0)

Categories

Find more on Startup and Shutdown in Help Center and File Exchange

Products

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!