高手帮忙！weblogic上部署，一个页面报错java.lang.ClassFormatError；好几天了

INF/lib/jaxp23022.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/jimi23023.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/topic_udp12123024.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/jsdk2323025.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/log4j-1.2.423026.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/msbase23027.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/msgboard23028.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/msgcenter23029.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/msutil23030.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/navigator23031.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/oro23032.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/syn23033.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/system23034.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/tunnel1_223035.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/turnpage23036.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/upload23037.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/workflow23038.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/wsdl4j23039.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/xalan23040.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/xerces23041.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/xml_html23042.jar:/opt/bea/yhdomain/./myserver/.wlnotdelete/extract/myserver_yinheweb_yinheweb/jarfiles/WEB-INF/lib/jaws23043.jar:/opt/bea/yhdomain/yhwebapp_workdir.
java.lang.ClassFormatError: jsp_servlet/_fund/__fundguide (Illegal constant pool type).
at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:794)
at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:234)
at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:172)
at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:504)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:349)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:431)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6310)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3622)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2569)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
 好烦啊，弄了2天了，请高手指点指点，为什么错，怎么改，