java.lang.NoClassDefFoundError

javax/mail/Message

Samebug tips8

You might've forgot to add a dependency or it's written wrong. Also, you might be using incompatible versions of Java and Hibernate. More on this here: https://goo.gl/SjSlRA


rafaelrafael

jsp-api and servlet-api jars must NOT be deployed by your web app. They should be marked as provided but not deployed by your app.


rafaelrafael

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Stack trace

  • java.lang.NoClassDefFoundError: javax/mail/Message at SMTPClient.<init>(SMTPClient.java:115) at SMTPClient.main(SMTPClient.java:296) Caused by: java.lang.ClassNotFoundException: javax.mail.Message at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) ... 2 more

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