java.lang.NullPointerException

Oracle Community | 807577 | 1 decade ago
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  1. 0

    JComboBox in JPopupMenu

    Oracle Community | 1 decade ago | 807577
    java.lang.NullPointerException
  2. 0

    Make a custom popup object hide when lost foucs

    Oracle Community | 1 decade ago | 807587
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at javax.swing.plaf.basic.BasicPopupMenuUI$MouseGrabber.grabContainer()
    2. Java RT
      BasicPopupMenuUI$MouseGrabber.stateChanged
      1. javax.swing.plaf.basic.BasicPopupMenuUI$MouseGrabber.grabContainer(BasicPopupMenuUI.java:344)
      2. javax.swing.plaf.basic.BasicPopupMenuUI$MouseGrabber.requestAddGrab(BasicPopupMenuUI.java:227)
      3. javax.swing.plaf.basic.BasicPopupMenuUI$MouseGrabber.stateChanged(BasicPopupMenuUI.java:273)
      3 frames