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

Samebug tips

Do you know how to solve this issue? Write a tip to help other users and build your expert profile.

Solutions on the web

via Oracle Community by 807587, 1 year ago
at javax.swing.plaf.basic.BasicComboPopup.getPopupHeightForRowCount(
at javax.swing.plaf.basic.BasicComboPopup.togglePopup(
at javax.swing.plaf.basic.BasicComboPopup$InvocationMouseHandler.mousePressed(
at java.awt.Component.processMouseEvent(

Users with the same issue

2 times, 10 months ago

Write tip

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