Olá pessoal!
Tenho um problema com o hibernate…
Tenho um método que recebe um codigo como parametro e busca as informações referentes ao codigo inserido.
So que quando rodo o aplicativo e coloco o metodo a rodar recebo um NullPointerException bem na abertura da SessionFactory…
O metodo e o stack estão abaixo!
A aplicação é desktop e criada no NetBeans
Abraços!
Metodo
public static Param retrieve(int pk) throws Exception{
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
Param param = (Param)session.load(Param.class, pk);
session.flush();
tx.commit();
session.close();
return param;
}
Stack
java.lang.NullPointerException
at br.com.roglio.controller.ParamDAO.retrieve(ParamDAO.java:73)
at br.com.roglio.gui.ParametrosGui.procuraRegistro(ParametrosGui.java:623)
at br.com.roglio.gui.ParametrosGui.formWindowOpened(ParametrosGui.java:558)
at br.com.roglio.gui.ParametrosGui.access$000(ParametrosGui.java:17)
at br.com.roglio.gui.ParametrosGui$1.windowOpened(ParametrosGui.java:109)
at java.awt.Window.processWindowEvent(Window.java:1187)
at javax.swing.JFrame.processWindowEvent(JFrame.java:266)
at java.awt.Window.processEvent(Window.java:1148)
at java.awt.Component.dispatchEventImpl(Component.java:3955)
at java.awt.Container.dispatchEventImpl(Container.java:2024)
at java.awt.Window.dispatchEventImpl(Window.java:1774)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
java.lang.ThreadDeath
at java.lang.Thread.stop(Thread.java:698)
at java.lang.ThreadGroup.stopOrSuspend(ThreadGroup.java:671)
at java.lang.ThreadGroup.stop(ThreadGroup.java:584)
at org.netbeans.core.execution.DefaultSysProcess.stop(DefaultSysProcess.java:54)
at org.netbeans.core.execution.ProcessNodeItem$1.stop(ProcessNodeItem.java:41)
at org.netbeans.core.execution.ProcessNodeItem$TerminateProcessAction.performAction(ProcessNodeItem.java:69)
at org.openide.util.actions.NodeAction$3.run(NodeAction.java:531)
at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:47)
at org.openide.util.actions.NodeAction$DelegateAction.actionPerformed(NodeAction.java:527)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
at javax.swing.AbstractButton.doClick(AbstractButton.java:302)
at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1000)
at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1041)
at java.awt.Component.processMouseEvent(Component.java:5488)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3126)
at java.awt.Component.processEvent(Component.java:5253)
at java.awt.Container.processEvent(Container.java:1966)
at java.awt.Component.dispatchEventImpl(Component.java:3955)
at java.awt.Container.dispatchEventImpl(Container.java:2024)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
at java.awt.Container.dispatchEventImpl(Container.java:2010)
at java.awt.Window.dispatchEventImpl(Window.java:1774)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
BUILD SUCCESSFUL (total time: 53 seconds)