I try to fill a DropDownListbox on a DynaValidatorActionForm and get the
following exception:
2006-09-03 18:20:45,007 ERROR [http-8080-1] [/mtweb].[jsp]
(ApplicationDispatcher.java:704) - Servlet.service() for servlet jsp
threw exception
javax.servlet.jsp.JspException: Cannot find bean under name
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at
org.apache.struts.taglib.html.OptionsTag.getIterator(OptionsTag.java:366)
at
org.apache.struts.taglib.html.OptionsTag.doEndTag(OptionsTag.java:186)
at
org.apache.jsp.form.editExpense_jsp._jspx_meth_html_options_0(org.apache.jsp.form.editExpense_jsp:553)
....
I have the follwoing definition in struts-config.xml:
<form-bean name="editExpenseForm"
type="org.apache.struts.action.DynaActionForm">
<form-property name="expenseType" type="java.lang.String" />
<form-property name="expenseName" type="java.lang.String" />
<form-property name="expenseId" type="java.lang.String" />
<form-property name="expenseDescription" type="java.lang.String" />
<form-property name="expenseLocation" type="java.lang.String"/>
<form-property name="expenseAmount" type="java.lang.String"/>
<form-property name="expenseIsoCurrency" type="java.lang.String"/>
<form-property name="expenseReceiptNo" type="java.lang.String"/>
<form-property name="expenseTime" type="java.lang.String"/>
<form-property name="expensePaymentMethodID" type="java.lang.String"/>
<form-property name="expenseCrossrate" type="java.lang.String"/>
<form-property name="expenseProjectId" type="java.lang.String"/>
</form-bean>
expenseType should be the SELECTED item of a drop-down-listbox. I do
have a business object containing a java.util.Vector of expenseTypes.
In my JSP file I have:
....
<html:select property="expenseType">
<html:options collection="${sessionScope.expense.expenseTypes}"
property="typeCode" labelProperty="typeDescription"/>
</html:select>
I also tried:
<html:select property="expenseType">
<c:forEach items="${sessionScope.expense.expenseTypes}" var="record">
<html:optionsCollection label="${record.typeDescription}"
value="${record.typeCode}" />
</c:forEach>
</html:select>
but also without any success!
The business object is defined as follows with the containing class
ExpenseType:
public class TxpExpense extends trixpertObject
{
.....
private Vector expenseTypes = new Vector();
......
public synchronized Vector getExpenseTypes()
{
return expenseTypes;
}
public synchronized void setExpenseTypes(Vector expenseTypes)
{
this.expenseTypes = expenseTypes;
}
......
// somewhere is code which retrieves data
// from a database to fill instances of
// class ExpenseType into the Vector
// expenseTypes
//
// an inner class as bean for ExpenseTypes
//
public class ExpenseType
{
long typeCode;
String typeDescription;
public ExpenseType()
{
}
public ExpenseType(long typeCode, String typeDescription)
{
this.typeCode = typeCode;
this.typeDescription = typeDescription;
}
... correct getters and setters
}
}
What am I doing wrong? Why can the type ExpenseType not be found? Is it
a problem to define it as inner class?
Many thanks for your help!
Tom
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