java.lang.NullPointerException

Oracle Community | 807587 | 1 decade ago
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    JTree: setCellEditor / setEditable throws exceptions.

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

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at javax.swing.plaf.basic.BasicTreeUI.completeEditing()
    2. Java RT
      Container.dispatchEventImpl
      1. javax.swing.plaf.basic.BasicTreeUI.completeEditing(BasicTreeUI.java:1831)
      2. javax.swing.plaf.basic.BasicTreeUI.completeEditing(BasicTreeUI.java:1815)
      3. javax.swing.plaf.basic.BasicTreeUI.startEditing(BasicTreeUI.java:1867)
      4. javax.swing.plaf.basic.BasicTreeUI$MouseHandler.mousePressed(BasicTreeUI.java:2676)
      5. java.awt.Component.processMouseEvent(Component.java:3707)
      6. java.awt.Component.processEvent(Component.java:3539)
      7. java.awt.Container.processEvent(Container.java:1159)
      8. java.awt.Component.dispatchEventImpl(Component.java:2588)
      9. java.awt.Container.dispatchEventImpl(Container.java:1208)
      9 frames