java.lang.NullPointerException

Oracle Community | 807587 | 1 decade ago
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    I have a problem with creating a node in the JTree

    Oracle Community | 1 decade ago | 807587
    java.lang.NullPointerException
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    startEditingAtPath() throws exception when adding a node to a JTree

    Stack Overflow | 4 years ago | nslntmnx
    java.lang.NullPointerException
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    JTree Exception when editing new nodes

    Oracle Community | 1 decade ago | 806558
    java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at javax.swing.plaf.basic.BasicTreeUI.startEditing()
    2. Java RT
      JTree.startEditingAtPath
      1. javax.swing.plaf.basic.BasicTreeUI.startEditing(BasicTreeUI.java:1959)
      2. javax.swing.plaf.basic.BasicTreeUI.startEditingAtPath(BasicTreeUI.java:506)
      3. javax.swing.JTree.startEditingAtPath(JTree.java:1921)
      3 frames
    3. ru.sirena2000.jxt
      TreeActionHandler.createNode
      1. ru.sirena2000.jxt.iface.action.TreeActionHandler.createNode(TreeActionHandler.java:62)
      1 frame