Question

Netbeans is returning a NoClassDefFoundError, but my class is right there! Has this happened to anyone before? PROBLEM SOLVED: I had a bad annotation in front of my class, so the runtime didn’t pick it up.

run:
java.lang.NoClassDefFoundError: targzipmanager/TarGzipManagerView
Caused by: java.lang.ClassNotFoundException: targzipmanager.TarGzipManagerView
        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
Could not find the main class: targzipmanager.TarGzipManagerApp.  Program will exit.
Exception in thread "main" Java Result: 1
BUILD SUCCESSFUL (total time: 0 seconds)

Answer 1

You haven’t set CLASSPATH to NetBeans’ satisfaction. Here’s how to do it.