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 Eclipse Bugzilla by, 1 year ago
via Oracle Community by 807596, 1 year ago
This exception has no message.
via Coderanch by sai prasanna, 1 year ago
This exception has no message.
via Oracle Community by 807601, 1 month ago
This exception has no message.
via Netbeans Bugzilla by jiriprox, 1 year ago
at java.lang.String.compareTo(Unknown Source)
at java.lang.String.compareTo(Unknown Source)
at java.util.Arrays.mergeSort(Unknown Source)
at java.util.Arrays.sort(Unknown Source)
at undefined.DecisionTree.calculateSplit(
at undefined.DecisionTree.(
at undefined.FileChooser.createDecisionTree(
at undefined.FileChooser.actionPerformed(

Users with the same issue

2 times, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 1 year ago

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