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Hibernate Problum[special request to Mr.Kalla

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  • #218097 Reply

    eswearg
    Member

    Dear Mr.Kalla!
    Thanq for replying my post.
    here iam posting the entire code [as an attachment]of the page

    Plz help me to fix the bug
    thanking you
    eswar

    <AddUserData.jsp>

    in code page iam replacing <%,%>,<,> with 2 dots[..],
    becoz when iam posting the exact page itz not accepting.

    Code Follows..

    ..@ page language=”java”..

    ..@ taglib uri=”http://jakarta.apache.org/struts/tags-bean&#8221; prefix=”bean” ..
    ..@ taglib uri=”http://jakarta.apache.org/struts/tags-html&#8221; prefix=”html” ..
    ..@ taglib uri=”http://jakarta.apache.org/struts/tags-logic&#8221; prefix=”logic” ..
    ..@ taglib uri=”http://jakarta.apache.org/struts/tags-tiles&#8221; prefix=”tiles” ..
    ..@ taglib uri=”http://jakarta.apache.org/struts/tags-template&#8221; prefix=”template” ..
    ..@ taglib uri=”http://jakarta.apache.org/struts/tags-nested&#8221; prefix=”nested” ..

    ..@ page import=”com.planters.hibernate.UsersService”..
    ..@ page import=”java.util.List”..

    ..!DOCTYPE HTML PUBLIC “-//W3C//DTD HTML 4.01 Transitional//EN”..
    ..html:html locale=”true”..
    ..head..
    ..html:base /..

    ..title..Users Example../title..

    ..meta http-equiv=”pragma” content=”no-cache”..
    ..meta http-equiv=”cache-control” content=”no-cache”..
    ..meta http-equiv=”expires” content=”0″..
    ..meta http-equiv=”keywords” content=”keyword1,keyword2,keyword3″..
    ..meta http-equiv=”description” content=”This is my page”..
    ../head..

    ..body..

    ..h3..Users Example../h3..
    ..html:errors/..

    ..
    // This code will Generate a list of objects from the
    // database and place a reference to this list in the
    // request object
    List usersList= UsersService.getInstance().getUsersList();
    request.setAttribute(“vipdatas”,usersList);

    ..

    ..p..List of Users In ..code..Users../code.. table of database ..code..User Info ../code…../p..
    ..table border=”1″..
    ..logic:iterate id=”element” name=”vipdatas” scope=”request” type=”com.planters.hibernate.Users”..
    ..tr..
    ..td….bean:write name=”element” property=”UName”/…./td..
    ..td….bean:write name=”element” property=”PWord”/…./td..
    ..td….bean:write name=”element” property=”Permitions”/…./td..
    ../tr..
    ../logic:iterate..
    ../table..
    ..p..Submit to Add a User:../p..
    ..!– This form will post the submitted data to the AddUsersData action Mapping –..
    ..html:form action=”AddUsersData.do” method=”post”..
    ..table border=”1″..
    ..tr….td..User Name:../td….td….html:text property=”UName” /…./td..
    ..td..Password:../td….td….html:text property=”PWrod” /…./td…./tr..
    ..td..Permitions:../td….td….html:text property=”Permitions” /…./td…./tr..
    ../table….br/..
    ..html:submit/..
    ../html:form..

    ../body..
    ../html:html..

    #218100 Reply

    Riyad Kalla
    Member

    😐

    Please repost the code using code tags wrapping the code, please hit “Post Reply” and click the “Code” button to get the necessary tags to wrap your code.

    Also can you explain what your problem is again? We handle a lot of questions a day, and its hard to keep them all straight at times exactly what the issue is.

    #218103 Reply

    eswearg
    Member

    Hi!
    Iam new to struts,iam learing struts using myeclips.i was going through the Hibernate demo recording and made a BasicDB project.
    so far everything is fine.when i run the project iam getting a message like <vipdatas no bean found>.can any one plz tell me how do i can sort it out.
    where do i can set <vipdatas>.
    –>in AddUserData.jsp[AddVipData.jsp].
    code is:

    
    [%@ page language="java"%]
    [%@ taglib uri="http://jakarta.apache.org/struts/tags-bean" prefix="bean" %]
    [%@ taglib uri="http://jakarta.apache.org/struts/tags-html" prefix="html" %]
    [%@ taglib uri="http://jakarta.apache.org/struts/tags-logic" prefix="logic" %]
    [%@ taglib uri="http://jakarta.apache.org/struts/tags-tiles" prefix="tiles" %]
    [%@ taglib uri="http://jakarta.apache.org/struts/tags-template" prefix="template" %]
    [%@ taglib uri="http://jakarta.apache.org/struts/tags-nested" prefix="nested" %]
    
    
    [%@ page import="com.planters.hibernate.UsersService"%]
    [%@ page import="java.util.List"%]
    
    
    [html:html locale="true"]
      [head]
        [html:base /]
        
        [title]Users Example[/title]
        
        [meta http-equiv="pragma" content="no-cache"]
        [meta http-equiv="cache-control" content="no-cache"]
        [meta http-equiv="expires" content="0"]    
        [meta http-equiv="keywords" content="keyword1,keyword2,keyword3"]
        [meta http-equiv="description" content="This is my page"]
      [/head]
      
      [body]
      
        [h3]Users Example[/h3]
        [html:errors/]
        
        [%
        // This code will Generate a list of objects from the
        // database and place a reference to this list in the
        // request object
        List usersList= UsersService.getInstance().getUsersList();
        request.setAttribute("vipdatas",usersList);
        
        
        
        %]
        
        [p]List of Users In Users table of database User Info .[/p]
    [table border="1"]
        [logic:iterate id="element" name="vipdatas" scope="request" type="com.planters.hibernate.Users"]
            [tr]
            [td][bean:write name="element" property="UName"/][/td]
            [td][bean:write name="element" property="PWord"/][/td]
            [td][bean:write name="element" property="Permitions"/][/td]
            [/tr]
        [/logic:iterate]
    [/table]
    [p]Submit to Add a User:[/p]
    [!-- This form will post the submitted data to the AddUsersData action Mapping --]
    [html:form action="AddUsersData.do" method="post"]
    [table border="1"]
        [tr][td]User Name:[/td][td][html:text property="UName" /][/td]
        [td]Password:[/td][td][html:text property="PWrod" /][/td][/tr]
        [td]Permitions:[/td][td][html:text property="Permitions" /][/td][/tr]
    [/table][br/]
    [html:submit/]
    [/html:form]
    
      [/body]
    [/html:html]

    Error Message..
    javax.servlet.ServletException: Cannot find bean vipdatas in scope request
    org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:673)
    org.apache.jsp.AddUserData_jsp._jspService(AddUserData_jsp.java:205)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

    root cause

    javax.servlet.jsp.JspException: Cannot find bean vipdatas in scope request
    org.apache.struts.util.RequestUtils.lookup(RequestUtils.java:940)
    org.apache.struts.taglib.logic.IterateTag.doStartTag(IterateTag.java:277)
    org.apache.jsp.AddUserData_jsp._jspService(AddUserData_jsp.java:142)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

    note The full stack trace of the root cause is available in the Tomcat logs.

    ——————————————————————————–

    Apache Tomcat/5.0.12

    #218116 Reply

    Riyad Kalla
    Member

    This code looks perfectly fine… the only thing I can think of, is if vipdatas is null when it returns from the method call, and you are setting a null in the request scope… you can add a printout there to check it.

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