Hello,
my JSP-Code is:
<html:form action="/ProjektDDE.do">
......
<tr>
<td class=tl1><html:checkbox property="value" value="
<%=ent.getEntity_id().toString()%>" > <%=ent.getDde
()%></html:checkbox></td>
<td class=tl1>Anzahl: <html:text property="value(key)" size
="2"/></td>
</tr>
and the ActionForm:
public class ProjektDDEForm extends ActionForm{
private Map enten;
/** Creates a new instance of ProjektDDEForm */
public ProjektDDEForm() {
}
public Map getEnten(){
return enten;
}
public void setEnten(Map _map){
enten=_map;
}
public void setValue(String _key, String _value)throws Exception
{
getEnten().put(_key,_value);
}
public Object getValue(String _key)throws Exception{
return enten.get(_key);
}
}
In the Action-Class:
... ProjektDDEForm form=(ProjektDDEForm)actionForm;
Map map=form.getEnten();
Line 60: Iterator it=map.keySet().iterator();
while (it.hasNext()){
String key=(String)it.next();
System.out.println("key "+key);
System.out.println("value "+map.get(key));
}
2004-09-06 10:19:57 StandardWrapperValve[action]: Servlet.service()
for servlet action threw exception
java.lang.NullPointerException
at
de.vit.AdisAded.actions.ProjektDDEAction.execute(ProjektDDEAction.java:60)
at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.jav
What is wrong???
Thanks Claudia
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