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    Look if your classpath is correct, and check if the versions of your libraries match the version you described in your pom.xml

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via Stack Overflow by subless
, 2 years ago
Hello (wrong name: hello/Hello)
via Stack Overflow by Dani Petrick
, 2 years ago
java.lang.NoClassDefFoundError: hello (wrong name: He
 llo)	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(Unknown Source)	at java.security.SecureClassLoader.defineClass(Unknown Source)	at java.net.URLClassLoader.defineClass(Unknown Source)	at java.net.URLClassLoader.access$100(Unknown Source)	at java.net.URLClassLoader$1.run(Unknown Source)	at java.net.URLClassLoader$1.run(Unknown Source)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)