java.lang.NullPointerException

Oracle Community | 807596 | 1 decade ago
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    JarURLConnection gives NullPointerException

    Oracle Community | 1 decade ago | 807596
    java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at sun.net.www.protocol.jar.JarURLConnection.getHeaderField()
    2. Java RT
      JEditorPane.setPage
      1. sun.net.www.protocol.jar.JarURLConnection.getHeaderField(JarURLConnection.java:176)
      2. java.net.URLConnection.getContentEncoding(URLConnection.java:392)
      3. javax.swing.JEditorPane.getStream(JEditorPane.java:700)
      4. javax.swing.JEditorPane.setPage(JEditorPane.java:392)
      4 frames
    3. items.display
      WebPageDisplayItem.initDisplay
      1. items.display.WebPageDisplayItem.initDisplay(WebPageDisplayItem.java:197)
      1 frame