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    Expert tip

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

Solutions on the web

via Coderanch by Gareth James, 1 year ago
Main (wrong name: ser verClient/Main)
via Stack Overflow by user3694151
, 2 years ago
Main (wrong name: main/Main)
via Stack Overflow by riegour
, 1 year ago
via Stack Overflow by danielos_s23
, 2 years ago
via blogspot.com by Unknown author, 2 years ago
Main (wrong name: mailtest/Main)
via Stack Overflow by Aaron7pm
, 1 year ago
java.lang.NoClassDefFoundError: Main (wrong name: ser
 verClient/Main)	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)