java.lang.NullPointerException

Stack Overflow | MountRushmore | 7 months ago
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at java.util.Hashtable.put()
    2. Java RT
      JTextPane.<init>
      1. java.util.Hashtable.put(Unknown Source)
      2. javax.swing.JEditorPane.registerEditorKitForContentType(Unknown Source)
      3. javax.swing.JEditorPane.registerEditorKitForContentType(Unknown Source)
      4. javax.swing.JEditorPane.loadDefaultKitsIfNecessary(Unknown Source)
      5. javax.swing.JEditorPane.getKitTypeRegistry(Unknown Source)
      6. javax.swing.JEditorPane.getEditorKitClassNameForContentType(Unknown Source)
      7. javax.swing.JTextPane.<init>(Unknown Source)
      7 frames