Hey all,
Using WW 1.4 Bean JSP Tag.
I have a class:
public abstract class LedgerEntry extends Persistent
{
private Date date = new Date();
private Currency amount = Currency.ZERO;
public Date getDate() { return date; }
public void setDate(Date d) { date = d; }
public Currency getAmount() { return amount; }
public void setAmount(Currency c) { amount = c; }
public class RunningTotal
{
private Currency total = new Currency();
public RunningTotal() {}
public void add(Currency c) { total = total.add(c); }
public Currency getTotal() { return total; }
}
}
In one of my JSPs I try to instantiate the RunningTotal class. Below is a
listing of things I have tried
<ww:bean name="'xxx.domain.LedgerEntry.RunningTotal'" id="total"/>
<ww:bean name="xxx.domain.LedgerEntry.RunningTotal" id="total"/>
<ww:bean name="'xxx.domain.LedgerEntry$RunningTotal'" id="total"/>
<ww:bean name="xxx.domain.LedgerEntry$RunningTotal" id="total"/>
None of these work, and they all basically result in the following stack
trace:
java.lang.NullPointerException
at
weblogic.utils.UnsyncHashtable.put(Ljava.lang.Object;Ljava.lang.Object;)Ljav
a.lang.Object;(UnsyncHashtable.java:277)
at
weblogic.servlet.jsp.PageContextImpl.setAttribute(Ljava.lang.String;Ljava.la
ng.Object;)V(PageContextImpl.java:164)
at webwork.view.taglib.BeanTag.doStartTag()I(BeanTag.java:79)
Is there another trick? Am I doing something that is completley unallowed?
In the same JSP I tried the following with success,
<%
Object o =
Beans.instantiate(Thread.currentThread().getContextClassLoader(),
"raider.domain.LedgerEntry$RunningTotal");
%>
Thanks,
Frank
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