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 Oracle Community by 807587, 1 year ago
This exception has no message.
java.lang.NullPointerException at javax.swing.plaf.basic.BasicInternalFrameUI$BorderListener.mouseExited(BasicInternalFrameUI.java:1160) at java.awt.AWTEventMulticaster.mouseExited(AWTEventMulticaster.java:252)