Hello all, Thanks a lot for your replies. As I'm French, I hope I will clearly expose my problem. It has been a long time since my last English draft. :)
I've worked for one month on an application. It was created with Woody framework, which is no longer supported. Consequently my mission is to turn it to Struts. Work is almost completed, but there is one problem left, I've been trying fixing it since Monday but I can't do anything, I have a Beanutils exception :-((. The application is composed of MySQl 5.0, Hibernate 3.0 and Struts 1.3.10. My problem is on a formular, hence Struts. I have a two beans : - Personne (French translation of Character) with String attributs name and firstname, - PageFormulaire (extends ActionForm), with only one attribut, Personne[] listP. **I'm sure the exception is caused by this dynamic array.** If I put an unique bean in PageFormulaire, application perfectly works. Both beans have setters and getters but I created in PageFormulaire two more : - public void setNom(int index , Personne nom) - public Personne getNom(int index) An action instanciates a PageFormulaire bean, fills in with datas in MySQL, puts it in request then calls a JSP. That's OK, the formular appears with the datas. But when clicking submit button, application crashes, and shows this accursed exception : javax.servlet.ServletException: BeanUtils.populate org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:286) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462) javax.servlet.http.HttpServlet.service(HttpServlet.java:710) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) javax.servlet.ServletException: BeanUtils.populate org.apache.struts.util.RequestUtils.populate(RequestUtils.java:475) org.apache.struts.chain.commands.servlet.PopulateActionForm.populate(PopulateActionForm.java:50) org.apache.struts.chain.commands.AbstractPopulateActionForm.execute(AbstractPopulateActionForm.java:60) org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51) org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191) org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:305) org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191) org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462) javax.servlet.http.HttpServlet.service(HttpServlet.java:710) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) java.lang.NullPointerException org.apache.commons.beanutils.PropertyUtilsBean.getIndexedProperty(PropertyUtilsBean.java:505) org.apache.commons.beanutils.PropertyUtilsBean.getIndexedProperty(PropertyUtilsBean.java:408) org.apache.commons.beanutils.PropertyUtilsBean.getNestedProperty(PropertyUtilsBean.java:760) org.apache.commons.beanutils.PropertyUtilsBean.getProperty(PropertyUtilsBean.java:837) org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:903) org.apache.commons.beanutils.BeanUtilsBean.populate(BeanUtilsBean.java:830) org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:433) org.apache.struts.util.RequestUtils.populate(RequestUtils.java:473) org.apache.struts.chain.commands.servlet.PopulateActionForm.populate(PopulateActionForm.java:50) org.apache.struts.chain.commands.AbstractPopulateActionForm.execute(AbstractPopulateActionForm.java:60) org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51) org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191) org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:305) org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191) org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462) javax.servlet.http.HttpServlet.service(HttpServlet.java:710) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) Here's the JSP : <%@ taglib uri="/WEB-INF/tld/struts-nested.tld" prefix="n" %> <%@ taglib uri="/WEB-INF/tld/struts-html.tld" prefix="h" %> <h:html> <head> </head> <body> <table> <n:form action="/traitement.do"> <n:iterate name="CLE" property="liste"> <tr> <td>Nom</td> <td><n:text property="nom"/></td> <td>Prénom</td> <td><n:text property="prenom"/></td> </tr> </n:iterate> <tr> <td colspan="4"><n:submit value="Enregistrer"/></td> </tr> </table> </n:form> </body> </h:html> I thought I forgot the put the bean on session scope, but although I write it on struts-config.xml, nothing to do... <form-beans> <form-bean name="pageForm" type="bean.PageFormulaire"/> </form-beans> <action-mappings> <action path="/traitement" name="pageForm" type="presentation.Traitement" scope="session"/> </action-mappings> Note : class pathes are obviously correct :) So, does anyone have an idea ?... If necessary, I may send by mail the WAR files containing all Java sources. Thanks for your help. Sincerly, Dominique --- En date de : Jeu 25.11.10, Lukasz Lenart <lukasz.len...@googlemail.com> a écrit : > De: Lukasz Lenart <lukasz.len...@googlemail.com> > Objet: Re: javax.servlet.ServletException: BeanUtils.populate > À: "Struts Users Mailing List" <user@struts.apache.org> > Date: Jeudi 25 novembre 2010, 22h31 > 2010/11/25 Dominique JUSTE <dju...@yahoo.com>: > > Although I have used Struts for five years, I have > been facing a trouble since Monday and I don't understand > what's happening... > > "Monday, monday ... manic monday..." > > http://www.youtube.com/watch?v=lAZgLcK5LzI > > > Kind regards ;-) > -- > Łukasz > + 48 606 323 122 http://www.lenart.org.pl/ > Kapituła Javarsovia 2010 http://javarsovia.pl > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@struts.apache.org > For additional commands, e-mail: user-h...@struts.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@struts.apache.org For additional commands, e-mail: user-h...@struts.apache.org