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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. ,

    You are not deploying the oracle driver with the application. Place the driver jars in a shared or library extension folder of your application server. (You should go with option one or two though

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java.lang.ClassNotFoundException: net.sf.jasperreports.engine.JRDataSource	at java.net.URLClassLoader$1.run(URLClassLoader.java:200)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:188)	at java.lang.ClassLoader.loadClass(ClassLoader.java:316)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:288)	at java.lang.ClassLoader.loadClass(ClassLoader.java:251)	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:169)	at com.openbravo.pos.forms.JRootApp.getBean(Unknown Source)	at com.openbravo.pos.forms.JPrincipalApp.showTask(Unknown Source)	at com.openbravo.pos.forms.MenuPanelAction.actionPerformed(Unknown Source)	at com.openbravo.pos.forms.JPrincipalApp.activate(Unknown Source)	at com.openbravo.pos.forms.JRootApp.openAppView(Unknown Source)	at com.openbravo.pos.forms.JRootApp.access$000(Unknown Source)	at com.openbravo.pos.forms.JRootApp$AppUserAction.actionPerformed(Unknown Source)	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)	at java.awt.Component.processMouseEvent(Component.java:6126)	at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)	at java.awt.Component.processEvent(Component.java:5891)	at java.awt.Container.processEvent(Container.java:2102)	at java.awt.Component.dispatchEventImpl(Component.java:4497)	at java.awt.Container.dispatchEventImpl(Container.java:2160)	at java.awt.Component.dispatchEvent(Component.java:4327)	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4366)	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4030)	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3960)	at java.awt.Container.dispatchEventImpl(Container.java:2146)	at java.awt.Window.dispatchEventImpl(Window.java:2440)	at java.awt.Component.dispatchEvent(Component.java:4327)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:300)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:210)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:200)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:195)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:187)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)