If there is an ActionForm bean stored either on the request or on the session, remove it. The getAttribute method will return the name of the attribute in the session or in the request where the bean is stored under. The getScope says either "session" or "request". This fragmnent is to be executed to remove an obsolete ActionFormBean from the session, either because new information took place or because that one was successfully processed. Wellington Silva UN/FAO -----Original Message----- From: Martin Zaidel [mailto:[EMAIL PROTECTED]] Sent: Wednesday, May 30, 2001 6:13 AM To: [EMAIL PROTECTED] Subject: Solution: bean attributes not displaying (please comment) Got it: My problem resided in these lines of code in perform() (which I copied from an Action class in the struts-example): if (mapping.getAttribute() != null) { if ("request".equals(mapping.getScope())) request.removeAttribute(mapping.getAttribute()); else session.removeAttribute(mapping.getAttribute()); } So my question to the list is: what exactly are these lines doing? Thanks, Martin Thomas Peters wrote: > > Thanks for your reply... > > I guessed that was the problem. I don't see the new instance being created > in my log file. I also have a fully working struts demo, which does not > display this behavior. What's up with that? > > Tom > > ----- Original Message ----- > From: "Martin Zaidel" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Tuesday, May 29, 2001 6:49 PM > Subject: Re: bean attributes not displaying - please help > > > I also have this problem, but alas, no solution (as yet). I've even > > tried > > in struts-config.xml to set the scope of the actions to "session", and > > have explicitly > > added the form to the session within the Action's perform(). I, too, > > can see the form properly populated. However, when the form's jsp is > > called, a new Form instance is instantiated----thus, the displayed form > > is blank. > > > > Any ideas? > > > > > Thomas Peters wrote: > > > > > > I have a jsp page called 'customer.jsp' with a class call > > > 'CustomerForm' which extendes ActionForm. > > > > > > I have cut and paste my mappings and listed them below. > > > > > > The application flow is such, that I have a link with a URI of > > > /searchCustomers.do?action=Search. This action calls > > > 'CustomerSearchAction' which initializes a 'CustomerForm' with null > > > values for all the attributes except action, that's defaulted to > > > 'Search'. That works fine. > > > > > > When the end user completes and submits the 'CustomerForm' form, I > > > construct a query that returns a list of customers matching the > > > submitted criteria. 'Customers' is a class which contains a Hashtable > > > of 'Customer' objects. This is accomplished with 'CustomerListAction' > > > and forwards to 'customers.jsp' which presents the results in a list. > > > I have a 'LinkCustomerTag' class which builds links within the > > > iteration of 'customers' on the 'customers.jsp' page. The link looks > > > like this: '/editCustomer.do?action=Edit&custNum=10' where > > > 'custNum=10' dynamically changes throughout the iteration based on the > > > current 'customer'. This works fine too. > > > > > > I select one of the links in the list which maps to '/editCustomer' > > > (see below) and calls the 'CustomerEditAction' class where I copy the > > > properties to the instance of 'CustomerForm' and 'forward' to the > > > 'customer.jsp'. This is where my problem is. > > > > > > ****** The form is blank. ****** > > > > > > I have lotts of comments in my code and can see that > > > 'PropertyUtils.copyProrerties(customerForm, customer)' is getting > > > called. I even modified the 'PropertyUtils' class to log the > > > properties being copied within the 'Enumeration' in the > > > 'copyProperties' method. You can see these values being copied into > > > the 'ActionForm' but when the 'forward' is called and the > > > 'customer.jsp' is displayed, it is empty. > > > > > > Please help... > > > > > > > > > ######################## > > > struts-config.xml > > > ######################## > > > > > > > > > <!-- ========== Form Bean Definitions > > > =================================== --> > > > > > > <!-- Customer form bean --> > > > <form-bean name="customerForm" > > > type="CustomerForm"/> > > > > > > <!-- Customer list bean --> > > > <form-bean name="customerList" > > > type="CustomerForm"/> > > > . > > > . > > > . > > > . > > > > > > <!-- ========== Action Mapping Definitions > > > ============================== --> > > > <!-- Search customer --> > > > <action path="/searchCustomer" > > > type="CustomerSearchAction" > > > name="customerForm" > > > scope="request" > > > input="/customer.jsp"> > > > <forward name="success" path="/customer.jsp"/> > > > </action> > > > > > > <!-- List customers --> > > > <action path="/listCustomers" > > > type="CustomerListAction" > > > name="customerList" > > > scope="request"> > > > <forward name="success" path="/customers.jsp"/> > > > > > > </action> > > > > > > <!-- Edit customer --> > > > <action path="/editCustomer" > > > type="CustomerEditAction" > > > name="customerForm" > > > scope="request" > > > validate="false"> > > > <forward name="failure" path="/customers.jsp"/> > > > <forward name="success" path="/customer.jsp"/> > > > </action> > > > > -- > > Martin Zaidel, > > Senior Software Engineer > > Cortex eBusiness P/L, Melbourne > > www.cortexebusiness.com.au > > -- Martin Zaidel, Senior Software Engineer Cortex eBusiness P/L, Melbourne www.cortexebusiness.com.au
