java.lang.NullPointerException

Coderanch | Doug Esser | 8 years ago
  1. 0

    SimpleGui1B exception errors

    Coderanch | 8 years ago | Doug Esser
    java.lang.NullPointerException
  2. 0

    SimpleGui1B exception errors

    Coderanch | 8 years ago | Steve Luke
    java.lang.NullPointerException
  3. 0
    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.
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  5. 0

    Android: Saving Map State in Google map

    Stack Overflow | 1 year ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at SimpleGui1B.actionPerformed()
    2. Unknown
      SimpleGui1B.actionPerformed
      1. SimpleGui1B.actionPerformed(SimpleGui1B.java:26)
      1 frame
    3. Java RT
      Component.processMouseEvent
      1. javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
      2. javax.swing.AbstractButton$Handler.ActionPerformed(Unknown Source)
      3. javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
      4. javax.swing.DefaultButtonModel.setPressed(Unknown Source)
      5. javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
      6. java.awt.Component.processMouseEvent(Unknown Source)
      6 frames