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 843797, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at ChatApp.init(ChatApp.java:71)	at ChatApp.(ChatApp.java:42)	at ChatApp.init(ChatApp.java:81)	at ChatApp.(ChatApp.java:42)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)	at java.lang.reflect.Constructor.newInstance(Unknown Source)	at java.lang.Class.newInstance0(Unknown Source)	at java.lang.Class.newInstance(Unknown Source)	at sun.applet.AppletPanel.createApplet(Unknown Source)	at sun.plugin.AppletViewer.createApplet(Unknown Source)	at sun.applet.AppletPanel.runLoader(Unknown Source)	at sun.applet.AppletPanel.run(Unknown Source)	at java.lang.Thread.run(Unknown Source)