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Forum locked This topic is locked, you cannot edit posts or make further replies.  [ 3 posts ] 
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 Post subject: Return null values query
PostPosted: Wed Jun 08, 2005 5:02 am 
Beginner
Beginner

Joined: Wed May 18, 2005 9:48 am
Posts: 31
Hi all,

i want to know how to control null return values from a query. There is any function that do that or I have to implement one who do it.

In this code...
Code:
tUsuarios tusuarios = new UsuariosDAO().getUsuarioById(Integer.valueOf(Integer.parseInt(request.getParameter("fUsuario"))),false);

//ut.write("ESTO ES LO QUE HAY \n");
//out.write(tusuarios.getClave()+"||||"+tusuarios.getFechaPassword());
if (tusuarios.getClave()==null)
      {
    response.sendRedirect(request.getContextPath()+"/index.jsp?ok=NO");
    return;
}


if tusuarios returns null value query when it checkstusuarios.getClave() makes an exception.[/b][/code]


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 Post subject:
PostPosted: Thu Jun 09, 2005 1:07 am 
Hibernate Team
Hibernate Team

Joined: Tue Aug 26, 2003 7:19 pm
Posts: 2364
Location: Brisbane, Australia
if (tusuarios == null || tusuarios.getClave()==null)


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 Post subject:
PostPosted: Sun Jun 26, 2005 5:45 am 
Beginner
Beginner

Joined: Wed May 18, 2005 9:48 am
Posts: 31
Hi,

I'll do that in code but I get this error:

Code:
11:41:06,828 ERROR StandardWrapper[/intranet:jsp]: Servlet.service() para servlet jsp lanzó excepción
org.hibernate.ObjectNotFoundException: No row with the given identifier exists: [bbdd.modelos.tUsuarios#83645]
        at org.hibernate.ObjectNotFoundException.throwIfNull(ObjectNotFoundException.java:27)
        at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:118)
        at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:75)
        at org.hibernate.impl.SessionImpl.immediateLoad(SessionImpl.java:639)
        at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:59)
        at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:84)
        at org.hibernate.proxy.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:134)
        at bbdd.modelos.tUsuarios$$EnhancerByCGLIB$$93d004f0.getClave(<generated>)
        at org.apache.jsp.acceso_jsp._jspService(acceso_jsp.java:66)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:325)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:362)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:825)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:738)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526)
        at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:595)


My source code in acceso.jsp is like that:

Code:
<%

tUsuarios tusuarios = new UsuariosDAO().getUsuarioById(Integer.valueOf(Integer.parseInt(request.getParameter("fUsuario"))),false);

//ut.write("ESTO ES LO QUE HAY \n");
//out.write(tusuarios.getClave()+"||||"+tusuarios.getFechaPassword());
if (tusuarios == null || tusuarios.getClave()==null)
      {
    response.sendRedirect(request.getContextPath()+"/index.jsp?ok=NO");
    return;
}

long vAntClave = new fDate().getDiffDate(tusuarios.getFechaPassword());

// --- Guardamos el login del usuario en la variable de sesión
    HttpSession sesion = request.getSession(true);
    sesion.setAttribute("sUsuario",request.getParameter("fUsuario"));

// --- Compruebo si la clave de acceso ha caducado.
 
if (!tusuarios.getClave().equalsIgnoreCase(request.getParameter("fClave")))
    {
    response.sendRedirect(request.getContextPath()+"/index.jsp?ok=NO");
    return;
}
........
........


Thanks a lot


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