Don't have a constructor with arguments, only use Set/Gets.
What's a Kontakt? Is that serializable?
Fix the constructor and verify Kontakt is serializable and it should
work.
On Mar 31, 10:43 am, Johannes Stein <johannes.st...@googlemail.com>
wrote:
> Hey,
>
> ive got a problem and im searching for hours to find a solution.
> My problem is the following:
>
> I have a little RPC-Service which returns as a result a "Domain"-
> Object (Own custom-class).
> But this Domain-Object could not be serialized, though i have made
> this "Domain"-class serializable with
> com.google.gwt.user.client.rpc.IsSerializable.
>
> Im using GWT SDK 2.01 and getting the following compiling error:
>
> [ERROR] com.google.gwt.core.client.JavaScriptObject is not assignable
> to 'com.google.gwt.user.client.rpc.IsSerializable' or
> 'java.io.Serializable' nor does it have a custom field serializer
> (reached via com.vostokdomains.kis.client.objetcs.Domain)
>
> [ERROR] com.google.gwt.core.client.JavaScriptObject has no available
> instantiable subtypes. (reached via
> com.vostokdomains.kis.client.objetcs.Domain)
>
> I hope you can help me out!!
> --------------------------------------------
> Enclosed some code-snippets:
>
> package com.vostokdomains.kis.client.objetcs;
>
> import java.util.Date;
>
> import com.google.gwt.i18n.client.DateTimeFormat;
> import com.google.gwt.user.client.rpc.IsSerializable;
>
> ========== Domain-Object============
>
> public class Domain implements Comparable<Domain>, IsSerializable{
>
> private String adresse;
> private String tld;
> private Date create;
> private Date next;
> private int laufzeit;
> private double preis;
>
> private Kontakt registrar;
> private Kontakt admin;
> private Kontakt tech;
> private Kontakt owner;
>
> private String namesever1;
> private String nameserver2;
> private String records;
>
> Domain(){
>
> }
>
> public Domain(String adresse, String tld, int tag, int monat, int
> jahr, Kontakt kontakt) {
>
> DateTimeFormat fmt = DateTimeFormat.getFormat("dd.MM.yyy");
>
> this.setRegistrar(new Kontakt("Keine Angabe"));
> this.adresse=adresse;
> this.tld=tld;
> this.owner=kontakt;
> this.next=fmt.parse((tag+"."+monat+"."+jahr));
>
> return;
>
> }
>
> public Domain(String adresse, String tld, Kontakt kontakt){
> this.setRegistrar(new Kontakt("Keine Angabe"));
> this.adresse=adresse;
> this.tld=tld;
> this.owner=kontakt;
> this.next=new Date();
> }
>
> [....]
>
> ================= DatabaseService ====================
>
> public class DatabaseServiceImpl extends RemoteServiceServlet
> implements
> DatabaseService {
>
> /**
> *
> */
> private static final long serialVersionUID = 1L;
>
> public Domain getDomains() {
>
> DBConnection conn = new DBConnection();
> conn.connect();
> Connection dbconn = conn.getConnection();
> System.out.print("TEST");
> Domain d = null;
>
> try {
> ResultSet rs = null;
> Statement stm = dbconn.createStatement();
> System.out.print("STATEMENT");
> stm.execute("SELECT * FROM domains");
> rs = stm.getResultSet();
>
> rs.next() ;
> Kontakt k = new Kontakt(rs.getString(2));
> d = new Domain(rs.getString(3), "tld", k);
>
> } catch (SQLException e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> }
> return d;
>
> }
>
> }
>
> ======================== RPC Call ========================
>
> public class Kis implements EntryPoint {
>
> @Override
> public void onModuleLoad() {
>
> DatabaseServiceAsync rpc;
> rpc = (DatabaseServiceAsync)
> GWT.create(DatabaseService.class);
> ServiceDefTarget target = (ServiceDefTarget) rpc;
> String moduleRelativeURL = GWT.getModuleBaseURL() +
> "DatabaseServiceImpl";
> target.setServiceEntryPoint(moduleRelativeURL);
> /*
> test.add();
> RootPanel.get().add(test.vpanel);*/
>
> rpc.getDomains(new AsyncCallback<Domain>() {
>
> public void onFailure(Throwable caught) {
>
> Window.alert("Übertragung fehlgeschlagen!" );
> }
>
> public void onSuccess(Domain rs) {
>
> //Expiration ex = new Expiration();
> //ex.create(rs,0);
> System.out.print(rs.getAdresse());
> //RootPanel.get().add(ex.vpanel);
>
> }
> }
> );
>
> }
>
> }
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