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  1. ,
    Expert tip

    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

  2. ,
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    This error means there's a class missing in your classpath during runtime. You need to create a jar with all your dependencies and have it in your classpath. Check Maven Assembly Plugin and how to add your dependencies to a jar: https://goo.gl/U2zr8k

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via Stack Overflow by deepakraut
, 1 year ago
This exception has no message.
java.lang.ClassNotFoundException: net.sf.ehcache.CacheException	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)	at java.lang.ClassLoader.loadClass(ClassLoader.java:423)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)	at java.lang.ClassLoader.loadClass(ClassLoader.java:356)	at java.lang.Class.getDeclaredConstructors0(Native Method)	at java.lang.Class.privateGetDeclaredConstructors(Class.java:2404)	at java.lang.Class.getConstructor0(Class.java:2714)	at java.lang.Class.getConstructor(Class.java:1674)	at org.hibernate.cfg.SettingsFactory.createRegionFactory(SettingsFactory.java:409)	at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:280)	at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2833)	at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2829)	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1840)	at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:902)	at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:57)	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:48)	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:32)	at com.org.JPAUtil.(JPAUtil.java:17)	at com.org.Main.main(Main.java:23)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:601)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)