java.lang.ClassFormatError: servletspkg/MainServlet (Illegal constant pool type).

Oracle Community | 666705 | 1 decade ago
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    servlet MainServlet could not be loaded because the requested class was not

    Oracle Community | 1 decade ago | 666705
    java.lang.ClassFormatError: servletspkg/MainServlet (Illegal constant pool type).
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    java.lang.ClassFormatError: Illegal constant pool type
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    Root Cause Analysis

    1. java.lang.ClassFormatError

      servletspkg/MainServlet (Illegal constant pool type).

      at weblogic.servlet.internal.ServletStubImpl.prepareServlet()
    2. Atmosphere weblogic
      WebAppServletContext$ServletInvocationAction.run
      1. weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:834)
      2. weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:535)
      3. weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:373)
      4. weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:315)
      5. weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6718)
      5 frames
    3. weblogic.security.acl
      AuthenticatedSubject.doAs
      1. weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
      1 frame
    4. weblogic.security.service
      SecurityManager.runAs
      1. weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
      1 frame
    5. Atmosphere weblogic
      ServletRequestImpl.execute
      1. weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3764)
      2. weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2644)
      2 frames
    6. weblogic.kernel
      ExecuteThread.run
      1. weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
      2. weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)
      2 frames