Exception in thread "Timer-0" java.lang.NoClassDefFoundError: javax/mail/Part
at grupo10.programaCorreo$1.run(programaCorreo.java:92)
at java.util.TimerThread.mainLoop(Unknown Source)
at java.util.TimerThread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: javax.mail.Part
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
... 3 more