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 807553, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at undefined.Test.columnHeaderWidth(Test.java:59)	at undefined.Test.getPreferredWidthForColumn(Test.java:51)	at undefined.Test.(Test.java:35)	at undefined.Test.main(Test.java:83)