java.lang.NullPointerException

There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

  • Jajuk crash on Kubuntu 10.04
    via GitHub by bflorat
    ,
  • NPE during launch
    via GitHub by pkriens
    ,
    • java.lang.NullPointerException at java.util.Hashtable.put(Hashtable.java:391) at ConnectDB.getActiveMember(ConnectDB.java:55) at MultiConferenceGUI.setActiveMember(MultiConferenceGUI.java:378) at MultiConferenceGUI.<init>(MultiConferenceGUI.java:99) at StartConferenceStudGUI.actionPerformed(StartConferenceStudGUI.java:263) 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.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)

    Users with the same issue

    poroszdporoszd
    2 times, last one,
    Unknown visitor
    Unknown visitor1 times, last one,
    davidvanlaatumdavidvanlaatum
    1 times, last one,
    Unknown visitor
    Unknown visitor1 times, last one,
    JustinJustin
    2 times, last one,
    19 more bugmates