javax.faces.el.EvaluationException: java.lang.NoClassDefFoundError: javax/persistence/Persistence
48564
How to add JAR libraries to WAR project without facing java.lang.ClassNotFoundException? Classpath vs Build Path vs /WEB-INF/lib
18116
java.lang.IllegalArgumentException: The servlets named [X] and [Y] are both mapped to the url-pattern [/url] which is not permitted
11724
JasperException: The value for the useBean class attribute is invalid
62184
Finding the current persistence unit for the current EntityManagerFactory
138560
java.lang.NoClassDefFoundError Main (Wrong Name : com/leslie/quiz/Main)
74980
ClassNotFoundException error when running css-validator.jar
138686
Servlet: java.lang.ClassNotFoundException: org.json.simple.parser.ParseException
155447
No Persistence provider for EntityManager named X
121641
NoSuchMethodError: org.slf4j.impl.StaticLoggerBinder.getSingleton()
92256
Where's javax.servlet?
22952
How to fix the Hibernate "object references an unsaved transient instance - save the transient instance before flushing" error
96250
java.lang.NoClassDefFoundError: org/apache/juli/logging/LogFactory
20209
Exception in thread "main" java.lang.NoClassDefFoundError: wrong name
157952
java.lang.ClassNotFoundException: org.hibernate.HibernateException
75603
NHibernate.MappingException: No persister for: XYZ
15568
How to solve this java.lang.NoClassDefFoundError: org/apache/commons/io/output/DeferredFileOutputStream?
15589
Java EE Exception: Name java:comp is not bound in this Context