java.lang.ClassFormatError

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    • java.lang.ClassFormatError: servletspkg/MainServlet (Illegal constant pool type). at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:834) at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:535) at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:373) at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:315) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6718) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121) at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3764) at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2644) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)
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