java.lang.NullPointerException: This exception has no message.

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via compiere by willyxia
, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at org.compiere.util.DB.loadClients(DB.java:279)
at org.compiere.apps.ALogin.roleComboChanged(ALogin.java:554)
at org.compiere.apps.ALogin.actionPerformed(ALogin.java:391)
at javax.swing.JComboBox.fireActionEvent(JComboBox.java:1196)
at javax.swing.JComboBox.contentsChanged(JComboBox.java:1267)
at javax.swing.AbstractListModel.fireContentsChanged(AbstractListModel.java:100)
at javax.swing.DefaultComboBoxModel.setSelectedItem(DefaultComboBoxModel.java:88)
at javax.swing.DefaultComboBoxModel.addElement(DefaultComboBoxModel.java:126)
at javax.swing.JComboBox.addItem(JComboBox.java:690)
at org.compiere.apps.ALogin.tryConnection(ALogin.java:529)
at org.compiere.apps.ALogin.connectionOK(ALogin.java:410)
at org.compiere.apps.ALogin.actionPerformed(ALogin.java:374)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1767)
at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1820)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:419)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:257)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:258)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:227)
at java.awt.Component.processMouseEvent(Component.java:5021)
at java.awt.Component.processEvent(Component.java:4818)
at java.awt.Container.processEvent(Container.java:1380)
at java.awt.Component.dispatchEventImpl(Component.java:3526)
at java.awt.Container.dispatchEventImpl(Container.java:1437)
at java.awt.Component.dispatchEvent(Component.java:3367)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3214)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:2929)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2859)
at java.awt.Container.dispatchEventImpl(Container.java:1423)
at java.awt.Window.dispatchEventImpl(Window.java:1566)
at java.awt.Component.dispatchEvent(Component.java:3367)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:445)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:190)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:144)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:130)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:98)

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