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  1. JDK
  2. JDK-4975146

Applet: java.lang.ClassFormatError: Incompatible magic value

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    • Resolution: Cannot Reproduce
    • Icon: P3 P3
    • None
    • 5.0
    • hotspot
    • generic
    • solaris_8

      Date: Wed, 07 Jan 2004 17:35:30 -0500
      From: J<###@###.###>
      Subject: Applet: java.lang.ClassFormatError: Incompatible magic value 2187
      62506 in class file weblogic/management/console/applets/NavApplet
      To: "'###@###.###'" <###@###.###>

      I get this when viewing the Weblogic 7.0 console applet. I assume that
      something has changed between the 1.4 and 1.5 applet classes, that causes
      problems with the 1.5 classloader. Stack trace enclosed below. Maybe this
      is an old 1.2 or 1.3 applet, but this will cause a problem with acceptance
      if applets break all of a sudden in 1.5. Bug or release note, dunno.


      java.lang.ClassFormatError: Incompatible magic value 218762506 in class file
      weblogic/management/console/applets/NavApplet
      at java.lang.ClassLoader.defineClass1(Native Method)
      at java.lang.ClassLoader.defineClass(ClassLoader.java:601)
      at
      java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
      at
      sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:159)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
      at
      sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:116)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
      at sun.applet.AppletClassLoader.loadCode(AppletClassLoader.java:574)
      at sun.applet.AppletPanel.createApplet(AppletPanel.java:630)
      at sun.plugin.AppletViewer.createApplet(AppletViewer.java:1814)
      at sun.applet.AppletPanel.runLoader(AppletPanel.java:559)
      at sun.applet.AppletPanel.run(AppletPanel.java:300)
      at java.lang.Thread.run(Thread.java:565)

            myangsunw Mingyao Yang (Inactive)
            gafter Neal Gafter (Inactive)
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