What you have there looks right, so silly question (maybe): have you reloaded the web application after recompiling the ModulePathForm class?
- Thorsten > -----Original Message----- > From: Martin Grebac [mailto:[EMAIL PROTECTED]] > Sent: 27 September 2002 13:32 > To: Struts Users Mailing List > Subject: Re: again ArrayList and javax.servlet.ServletException: > BeanUtils .populate exception > > > No, it doesn't work also. I get the same exception everytime. > > I want to have the possibility to select multiple folders, so I did > what you suggested: added property selectedFolders of type > String[], so > I added this code to my ModulePathForm: > > private String[] selectedFolders; > > public String getSelectedFolders(int index) { > return this.selectedFolders[index]; > } > > public String[] getSelectedFolders() { > return this.selectedFolders; > } > > public void setSelectedFolders(int index, String > selectedFolders) { > this.selectedFolders[index] = selectedFolders; > } > > public void setSelectedFolders(String[] selectedFolders) { > this.selectedFolders = selectedFolders; > } > > and the jsp page looks the same as you wrote: > > <html:select property="selectedFolders" multiple="true"> > <html:options property="folders"/> > </html:select> > > I really don't know where is the problem. Really appreciate > any other > hints. > > Thanks, > Martin > > > > [EMAIL PROTECTED] wrote: > > >Hi, > > > >I think the problem is that your <html:select...> and > <html:options...> tags both reference the "folders" property. > Judging by your code, the <html:options...> tag is doing what > you expect i.e. getting the list of folders the user can > select from. However, your <html:select...> tag is telling > Struts to try to assign the selected folder back to the form > bean by calling setFolders (albeit indirectly via > BeanUtils.populate), but setFolders is expecting an ArrayList > rather than a single item from a list which your submit is > sending back as a String. > > > >I suspect what you need to do is introduce an additional > property called e.g. selectedFolder into your form bean. Your > jsp would then look like this: > > > > <html:select property="selectedFolder" multiple="true"> > > <html:options property="folders"/> > > </html:select> > > > >...and you will need corresponding setter and getter methods > in the bean. You can then also have getSelectedFolder() > return a default value. > > > >Regards, > >Thorsten > > > > > > > >>Hi, > >> I'm looking for any hint or advice. I've got code like this > >>on my jsp > >>page: > >> > >> <html:select property="folders" multiple="true"> > >> <html:options property="folders"/> > >> </html:select> > >> > >>property "folders" is a property of my "ModulePathForm" bean: > >> > >>/* ModulePathForm.java */ > >>public class ModulePathForm extends ActionForm{ > >> > >> private ArrayList folders; > >> > >> public ModulePathForm() { > >> super(); > >> folders = new ArrayList(); > >> } > >> > >> public ArrayList getFolders() { > >> return this.folders; > >> } > >> > >> public void setFolders(ArrayList folders) { > >> this.folders = folders; > >> } > >>} > >> > >>the values from the bean are shown, but when I click Submit, > >>I get this > >>exception: > >> > >>javax.servlet.ServletException: BeanUtils.populate > >> at > >>org.apache.struts.util.RequestUtils.populate(RequestUtils.java:774) > >> at > >>org.apache.struts.action.ActionServlet.processPopulate(ActionS > >>ervlet.java:2061) > >> at > >>org.apache.struts.action.ActionServlet.process(ActionServlet.j > >>ava:1563) > >> at > >>org.apache.struts.action.ActionServlet.doPost(ActionServlet. > java:509) > >> > >>..... > >>root cause: > >> > >>java.lang.IllegalArgumentException: argument type mismatch > >> > >> > > > >-- > >To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> >For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
