you'll also need the controller.xml and the web.xml> From: [EMAIL PROTECTED]>
To: users@tomcat.apache.org> Subject: Re: javax.servlet.ServletException:
Cannot execute view page '/mail.view'> Date: Sun, 23 Dec 2007 10:41:18 -0500> >
please display all relevant java source files> > Bon Chance/> M--> -----
Original Message -----> From: 'rameau rameau1982' <[EMAIL PROTECTED]>> To:
<users@tomcat.apache.org>> Sent: Sunday, December 23, 2007 6:28 AM> Subject:
javax.servlet.ServletException: Cannot execute view page> '/mail.view'> > > >
Hi!> I'm studying at the university an assignature based on web applications>
developement using java servlets, tomcat, Model-view-controller, and a>
framework done by my teacher that is a simplification of struts (we use his>
jar to implement all te classes of his framework and he has told us that>
everything is correct and that we cannot modify his classes). He has> invented
a language called VIEW.> The dynamic pages terminate with the sufix .view> >
What I'm doing is a web application that has some users(with passwords) in a>
postgresql database (here everything correct) and that they login and>
send/receive messages to/from the rest of the users.> I'm also using eclipse,
so everything is well compilated> When a user logins, tomcat sends me an
exception and doesn't shows the main> dynamic page where the logged user views
recieved messages and can send> messages to other users.> I give you the code
of the mail.view page:> > <?xml version='1.0' encoding='ISO-8859-1'?>> <v:view
xmlns:v='http://soft0.upc.es:8080/web/NS/webfw/view'> xmlns:b='/base.vlib'
component-element-prefixes='b'><HTML><HEAD>> <TITLE>Disseny d'aplicacions WEB:
P3</TITLE> <LINk rel='stylesheet'> href='styles.css'
type='text/css'/></HEAD><BODY><center><table width='700'> border='0'
cellspacing='0' cellpadding='0'><tr><td><br/>> <b:set var='srv'
value='${request.session.getAttribute('message_srv')}'/>> <b:if test='${not
srv}'> <h1>ERROR</h1> <p><span style='color:> #FF0000;'>Session
Error</span></p> <hr color='#1E90FF'/> <a> HREF='index.html'>Volver</a></b:if>>
<b:if test='${srv}'> <H1>${srv.userName}</H1> <hr color='#1E90FF'/>> <b:set
var='recmess' value='${srv.receivedMessages()}'/><b:if test='${not> recmess}'>
<H2>No hay mensajes recibidos</H2></b:if>> <b:if test='${recmess}'>
<H2>Mensajes recibidos:</H2> <FORM METHOD='POST'> ACTION='delete.do'>> <!--
Lista de mensajes -->> <table border='2' style='border-color: #1E90FF'
cellspacing='1'> align='center'> <tr> <td><font>remitente</font></td>>
<td><font>mensaje</font></td> <td><font>fecha</font></td>>
<td><font>eliminar</font></td> </tr>> <b:for-each var='message'>
items='${srv.receivedMessages()}'><tr><td>${message.from}</td><td><pre>${mes>
sage.text}</pre></td><td><pre>${message.date}</pre></td><td><input>
type='checkbox' name='message_id'>
value='${message.id}'/></td></tr></b:for-each>> </table> <p><INPUT
TYPE='submit' NAME='delete' VALUE='Eliminar'/></p>> </FORM></b:if>> <hr
color='#1E90FF'/>> <FORM METHOD='POST'>
ACTION='send.do'><font>Destinatario/s:</font><br/><select name='receiver'>
multiple='multiple'>> <b:for-each var='user' items='${srv.userListToSend()}'>
<option> value='${user.name}'>${user.name}</option>'</b:for-each>>
</select><br/><font>Mensaje:</font>> <p><TEXTAREA NAME='message' ROWS='10'
COLS='100'></TEXTAREA></p>> <p><INPUT TYPE='submit' NAME='send'
VALUE='Enviar'/></p> </FORM>> <hr color='#1E90FF'/> <FORM METHOD='POST'
ACTION='logout.do'> <p><INPUT> TYPE='submit' VALUE='Logout'/></p>
</FORM></b:if>> </td></tr></table></center></BODY></HTML></v:view>> > I think
that the problem is at:> <b:set var='srv'
value='${request.session.getAttribute('message_srv')}'/>> > can somebody help
me??> > Oh! and the tomcat exception:> Estado HTTP 500 -> > > type Informe de
Excepción> mensaje> descripción El servidor encontró un error interno () que
hizo que no pudiera> rellenar este requerimiento.> excepción
javax.servlet.ServletException: Cannot execute view page> '/mail.view':
webprofe.webfw.view.processor.ViewException: Error in call to> component:
webprofe.webfw.view.processor.ViewException: Error in call to> component:
webprofe.webfw.view.runtime.expression.EvalException: Undefined> property
'name' on target [EMAIL PROTECTED]>
webprofe.webfw.view.http.ViewServlet.process(ViewServlet.java:63)>
webprofe.webfw.view.http.ViewServlet.doPost(ViewServlet.java:108)>
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)>
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)>
webprofe.webfw.controller.RequestMap.dispatchView(RequestMap.java:134)>
webprofe.webfw.controller.RequestMap.process(RequestMap.java:122)>
webprofe.webfw.controller.Controller.process(Controller.java:57)>
webprofe.webfw.controller.ControllerServlet.doPost(ControllerServlet.java:48>
)> javax.servlet.http.HttpServlet.service(HttpServlet.java:710)>
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)> > > causa raíz
webprofe.webfw.view.processor.ViewException: Error in call to> component:
webprofe.webfw.view.processor.ViewException: Error in call to> component:
webprofe.webfw.view.runtime.expression.EvalException: Undefined> property
'name' on target [EMAIL PROTECTED]>
webprofe.webfw.view.runtime.tree.CallNode.invoke(CallNode.java:87)>
webprofe.webfw.view.runtime.tree.Fragment.invoke(Fragment.java:50)>
webprofe.webfw.view.runtime.tree.Page.execute(Page.java:56)>
webprofe.webfw.view.http.ViewServlet.process(ViewServlet.java:61)>
webprofe.webfw.view.http.ViewServlet.doPost(ViewServlet.java:108)>
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)>
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)>
webprofe.webfw.controller.RequestMap.dispatchView(RequestMap.java:134)>
webprofe.webfw.controller.RequestMap.process(RequestMap.java:122)>
webprofe.webfw.controller.Controller.process(Controller.java:57)>
webprofe.webfw.controller.ControllerServlet.doPost(ControllerServlet.java:48>
)> javax.servlet.http.HttpServlet.service(HttpServlet.java:710)>
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)> > > causa raíz
webprofe.webfw.view.processor.ViewException: Error in call to> component:
webprofe.webfw.view.runtime.expression.EvalException: Undefined> property
'name' on target [EMAIL PROTECTED]>
webprofe.webfw.view.runtime.tree.CallNode.invoke(CallNode.java:87)>
webprofe.webfw.view.runtime.tree.Fragment.invoke(Fragment.java:50)>
webprofe.webfw.view.components.base.IfComponent.execute(IfComponent.java:18)>
webprofe.webfw.view.runtime.tree.CallNode.invoke(CallNode.java:76)>
webprofe.webfw.view.runtime.tree.Fragment.invoke(Fragment.java:50)>
webprofe.webfw.view.runtime.tree.Page.execute(Page.java:56)>
webprofe.webfw.view.http.ViewServlet.process(ViewServlet.java:61)>
webprofe.webfw.view.http.ViewServlet.doPost(ViewServlet.java:108)>
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)>
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)>
webprofe.webfw.controller.RequestMap.dispatchView(RequestMap.java:134)>
webprofe.webfw.controller.RequestMap.process(RequestMap.java:122)>
webprofe.webfw.controller.Controller.process(Controller.java:57)>
webprofe.webfw.controller.ControllerServlet.doPost(ControllerServlet.java:48>
)> javax.servlet.http.HttpServlet.service(HttpServlet.java:710)>
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)> > > causa raíz
webprofe.webfw.view.runtime.expression.EvalException: Undefined> property
'name' on target [EMAIL PROTECTED]>
webprofe.webfw.view.runtime.introspection.HelperInfo.getProperty(HelperInfo.>
java:22)>
webprofe.webfw.view.runtime.introspection.BeanHelperInfo.getProperty(HelperI>
nfo.java:102)>
webprofe.webfw.view.runtime.expression.PropertyExpression.evaluateWithTarget>
(PropertyExpression.java:26)>
webprofe.webfw.view.runtime.expression.ExpressionWithTarget.evaluate(Express>
ionWithTarget.java:30)>
webprofe.webfw.view.runtime.tree.ExpressionNode.invoke(ExpressionNode.java:1>
9)> webprofe.webfw.view.runtime.tree.Fragment.invoke(Fragment.java:50)>
webprofe.webfw.view.components.base.ForEachComponent.processCollection(ForEa>
chComponent.java:120)>
webprofe.webfw.view.components.base.ForEachComponent.execute(ForEachComponen>
t.java:61)> webprofe.webfw.view.runtime.tree.CallNode.invoke(CallNode.java:76)>
webprofe.webfw.view.runtime.tree.Fragment.invoke(Fragment.java:50)>
webprofe.webfw.view.components.base.IfComponent.execute(IfComponent.java:18)>
webprofe.webfw.view.runtime.tree.CallNode.invoke(CallNode.java:76)>
webprofe.webfw.view.runtime.tree.Fragment.invoke(Fragment.java:50)>
webprofe.webfw.view.runtime.tree.Page.execute(Page.java:56)>
webprofe.webfw.view.http.ViewServlet.process(ViewServlet.java:61)>
webprofe.webfw.view.http.ViewServlet.doPost(ViewServlet.java:108)>
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)>
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)>
webprofe.webfw.controller.RequestMap.dispatchView(RequestMap.java:134)>
webprofe.webfw.controller.RequestMap.process(RequestMap.java:122)>
webprofe.webfw.controller.Controller.process(Controller.java:57)>
webprofe.webfw.controller.ControllerServlet.doPost(ControllerServlet.java:48>
)> javax.servlet.http.HttpServlet.service(HttpServlet.java:710)>
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)> > > nota La traza
completa de la causa de este error se encuentra en los> archivos de diario de
Apache Tomcat/6.0.13.> > > Apache Tomcat/6.0.13>
_________________________________________________________________> MSN Video.>
http://video.msn.com/?mkt=es-es> > >
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Guapos y guapas, clips musicales y estrenos de cine. <?xml version="1.0" encoding="ISO-8859-1"?>
<controller>
<action path="/login.do" class="webusr31.prac3.controller.LoginCommand">
<transition label="ok" path="/mail.view"/>
<transition label="error1" path="/error_invalid.html"/>
<transition label="error2" path="/error_auten.html"/>
</action>
<action path="/logout.do" class="webusr31.prac3.controller.LogoutCommand"
transition="/index.html"/>
<action path="/send.do" class="webusr31.prac3.controller.SendCommand">
<transition label="ok" path="/mail.view"/>
<transition label="error" path="/error.html"/>
</action>
<action path="/delete.do" class="webusr31.prac3.controller.DeleteCommand">
<transition label="ok" path="/mail.view"/>
<transition label="error" path="/error.html"/>
</action>
</controller>
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_2.dtd";>
<web-app>
<context-param>
<param-name> message_app.db.url </param-name>
<param-value> jdbc:potsgresql://soft0.upc.es/webusr31 </param-value>
</context-param>
<context-param>
<param-name> message_app.db.user </param-name>
<param-value> webusr31 </param-value>
</context-param>
<context-param>
<param-name> message_app.db.password </param-name>
<param-value> webusr31 </param-value>
</context-param>
<!-- WEBFW servlets -->
<servlet>
<servlet-name> controller </servlet-name>
<servlet-class> webprofe.webfw.controller.ControllerServlet </servlet-class>
<init-param>
<param-name>config</param-name>
<param-value> /WEB-INF/controller.xml </param-value>
</init-param>
<load-on-startup />
</servlet>
<servlet>
<servlet-name> view </servlet-name>
<servlet-class> webprofe.webfw.view.http.ViewServlet </servlet-class>
<!-- Default VIEW processor:
<init-param>
<param-name>processor_class</param-name>
<param-value>webprofe.webfw.view.runtime.tree.TreeProcessor</param-value>
</init-param>
</servlet>
<servlet>
<servlet-name> template </servlet-name>
<servlet-class> webprofe.webfw.template.definitions.TemplateServlet </servlet-class>
<init-param>
<param-name>screen-defs</param-name>
<param-value>/WEB-INF/screen-defs.xml</param-value>
</init-param>
</servlet>
<!-- Mappings -->
<servlet-mapping>
<servlet-name> controller </servlet-name>
<url-pattern> *.do </url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name> view </servlet-name>
<url-pattern> *.view </url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name> template </servlet-name>
<url-pattern> *.screen </url-pattern>
</servlet-mapping>
</web-app>
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