you need to use a collection of value objects instead of component objects in your jsp.
guo --- Steven Nakhla <[EMAIL PROTECTED]> 的正文:> I am still learning about EJBs, Struts, and a whole > host of other things. I'm writing a simple web app > to manage my product license keys. I have 3 CMR > EJBs that I'm working with: ProductVendor, Product, > and LicenseKey. The beans are created such that a > ProductVendor can have multiple Products, each of > which can have multiple LicenseKeys. > > In my web app, I would like to be able to list all > of the entries in my database. In my Struts Action, > I perform a findAll() to return a Collection of > ProductVendors, and then call > request.setAttribute("vendorList", vendors); so it > can be referenced from my JSP. > > In my JSP, I have the following to iterate over the > list and display the entries: > > <logic:iterate id="vlist" name="vendorList"> > > <bean:write name="vlist" property="name" /> > > <ul> > > <logic:iterate id="plist" name="vlist" > property="products"> > > <li><bean:write name="plist" property="title" > /></li> > > </logic:iterate> > > </ul> > > </logic:iterate> > > > > Everything looks like it is in order. However, when > I try to display the JSP I get the following > exception: org.apache.jasper.JasperException: A CMR > collection may only be used within the transction in > which it was created. > > Can anyone explain to me what the problem is? Does > anyone know how I could go about displaying the list > like I would like? I'd really appreciate any help > you could give this poor newbie. Thanks in advance! > > > > Steve Nakhla > > > > --------------------------------- > Do you Yahoo!? > Free Pop-Up Blocker - Get it now __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]