java.lang.NullPointerException

Oracle Community | 807549 | 1 decade ago
tip
Click on the to mark the solution that helps you, Samebug will learn from it.
As a community member, you’ll be rewarded for you help.
  1. 0

    NullPointerException when Button is pressed...

    Oracle Community | 1 decade ago | 807549
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at alertWindow.action()
    2. Unknown
      alertWindow.action
      1. alertWindow.action(alertWindow.java:41)
      1 frame
    3. Java RT
      Window.postEvent
      1. java.awt.Component.handleEvent(Component.java:5262)
      2. java.awt.Window.postEvent(Window.java:1574)
      2 frames