java.lang.NullPointerException: This exception has no message.

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Google Groups by Uwe Clement, 2 months ago
via Oracle Community by 807587, 1 year ago
via Google Groups by bobjan, 2 months ago
This exception has no message.
via Oracle Community by 843810, 1 year ago
This exception has no message.
via Oracle Community by 843805, 8 months ago
This exception has no message.
via Oracle Community by 807587, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at javax.swing.plaf.basic.BasicPopupMenuUI$MouseGrabber.grabContainer(Unknown Source)
at javax.swing.plaf.basic.BasicPopupMenuUI$MouseGrabber.requestAddGrab(Unknown Source)
at javax.swing.plaf.basic.BasicPopupMenuUI$MouseGrabber.stateChanged(Unknown Source)
at javax.swing.MenuSelectionManager.fireStateChanged(Unknown Source)
at javax.swing.MenuSelectionManager.setSelectedPath(Unknown Source)
at javax.swing.JPopupMenu.setVisible(Unknown Source)
at javax.swing.JPopupMenu.show(Unknown Source)
at javax.swing.plaf.basic.BasicComboPopup.show(Unknown Source)
at javax.swing.plaf.basic.BasicComboPopup.togglePopup(Unknown Source)
at javax.swing.plaf.basic.BasicComboPopup$InvocationMouseHandler.mousePressed(Unknown Source)
at java.awt.AWTEventMulticaster.mousePressed(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

Users with the same issue

Samebug visitor profile picture
Unknown user
Once, 2 years ago
Samebug visitor profile picture
Unknown user
Once, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 2 years ago
115 times, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 10 months ago
5 more bugmates

Know the solutions? Share your knowledge to help other developers to debug faster.