subclass's has not only one entity manager property帮我看看这个异常怎么解决？

Question

Error creating bean with name '/admin/information' defined in ServletContext resource [/WEB-INF/modules/spring-config-admin.xml]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: subclass's has not only one entity manager property.
org.springframework.beans.factory.BeanCreationException: Error creating bean with name '/admin/information' defined in ServletContext resource [/WEB-INF/modules/spring-config-admin.xml]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: subclass's has not only one entity manager property.
Caused by: 
java.lang.IllegalArgumentException: subclass's has not only one entity manager property.高手帮帮忙 看看这个是什么原因？

Answer 1

// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://www.kpdus.com/jad.html
// Decompiler options: packimports(3) 
// Source File Name:   FavourManagerAction.javapackage com.comhg.scis.action;import com.comhg.scis.ScisStrutsEntityAction;
import com.comhg.scis.domain.*;
import com.comhg.scis.service.*;
import com.comhg.scis.service.system.UserManager;
import com.comhg.web.ectable.PageSortModel;
import java.util.Enumeration;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.*;public class FavourManagerAction extends ScisStrutsEntityAction
{    public FavourManagerAction()
    {
    }    public void setInfoClassManager(InfoClassManager infoClassManager)
    {
        this.infoClassManager = infoClassManager;
    }    public void setInformationManager(InformationManager informationManager)
    {
        this.informationManager = informationManager;
    }    public void setUserManager(UserManager userManager)
    {
        this.userManager = userManager;
    }    public void setFavourManager(FavourManager favourManager)
    {
        this.favourManager = favourManager;
    }    public ActionForward list(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
    {
        request.setAttribute("user_id", Long.valueOf(getUserId()));
        String a[] = (String[])null;
        a = request.getParameterValues("sel");
        if(a != null)
        {
            String sel = "";
            for(int i = 0; i < a.length; i++)
                sel = (new StringBuilder(String.valueOf(sel))).append(a[i]).append(",").toString();            sel = sel.substring(0, sel.length() - 1);
            favourManager.removeSelFavour((int)getUserId(), sel);
            PageSortModel psm = new PageSortModel(request, null);
            request.setAttribute("favours", favourManager.getUserFavour(new Integer((int)getUserId()), psm));
            request.setAttribute("infoClasses", infoClassManager.getAll());
            return mapping.findForward("list");
        }
        if(!autoRedirectDetail(request, response))
        {
            PageSortModel psm = new PageSortModel(request, null);
            request.setAttribute("favours", favourManager.getUserFavour(new Integer((int)getUserId()), psm));
            request.setAttribute("infoClasses", infoClassManager.getAll());
            return mapping.findForward("list");
        } else
        {
            return null;
        }
    }    public boolean autoRedirectDetail(HttpServletRequest request, HttpServletResponse response)
    {
        String strDirectDetail = request.getContextPath();
        String strIC2 = null;
        String strEnum = null;
        String strTemp = null;
        String strFavourId = null;
        String strInfoId = null;
        String strInfoClassId = null;
        String strPICid = null;
        boolean br = false;
        Enumeration enumPara = request.getParameterNames();
        int iParaCount = 0;
        while(enumPara.hasMoreElements()) 
        {
            strEnum = (String)enumPara.nextElement();
            iParaCount++;
            strTemp = request.getParameter(strEnum).trim();
            if(strTemp.length() > 0)
                if(strEnum.equals("id"))
                    strFavourId = strTemp;
                else
                if(strTemp.equals("ec_p"))
                    return false;
        }
        if(strFavourId != null)
        {
            Integer i = Integer.valueOf(strFavourId);
            Favour f = (Favour)favourManager.get(i);
            strInfoId = f.getInformation().getId();
            if(strInfoId != null)
            {
                Information info = (Information)informationManager.get(strInfoId);
                strInfoClassId = info.getInfoClass().getId();
                if(strInfoClassId != null)
                {
                    InfoClass infoclass = (InfoClass)infoClassManager.get(strInfoClassId);
                    int ilevel = infoclass.getCatalog_level().intValue();
                    if(ilevel == 1)
                    {
                        if(info.getEnterprise() != null)
                            strDirectDetail = (new StringBuilder(String.valueOf(strDirectDetail))).append("/qyyj/qyyj.do?m=infodetail&id=").append(strInfoId).append("&c=1").toString();
                        else
                            strDirectDetail = (new StringBuilder(String.valueOf(strDirectDetail))).append("/qyyj/qyyj.do?m=infodetail&id=").append(strInfoId).append("&c=0").toString();
                    } else
                    if(ilevel == 2)
                    {
                        if(infoclass.getPinfoClass().getId().equals("1000"))
                            strDirectDetail = (new StringBuilder(String.valueOf(strDirectDetail))).append("/zxzx/zxzx.do?m=infodetail&ic2=").append(infoclass.getId()).append("&id=").append(strInfoId).toString();
                        else
                        if(infoclass.getPinfoClass().getId().equals("1002"))
                            strDirectDetail = (new StringBuilder(String.valueOf(strDirectDetail))).append("/dtsjk/show.do?method=infodetail1&catalog=").append(strInfoClassId).append("&enter=").append(info.getEnterprise().getId()).append("&year=").append(info.getOwner_year()).append("&month=").append(info.getOwner_month()).toString();
                    } else
                    if(ilevel == 3)
                        strDirectDetail = (new StringBuilder(String.valueOf(strDirectDetail))).append("/qbzx/qqbzx.do?ic1=1001&ic2=").append(infoclass.getPinfoClass().getId()).append("&ic3=").append(strInfoClassId).append("&ep=").append(info.getEnterprise().getId()).toString();
                    if(strDirectDetail != null)
                        try
                        {
                            response.sendRedirect(strDirectDetail);
                            br = true;
                        }
                        catch(Exception e)
                        {
                            br = false;
                        }
                }
            }
        }
        return br;
    }    private InformationManager informationManager;
    private UserManager userManager;
    private FavourManager favourManager;
    private InfoClassManager infoClassManager;
}