Hi Vitali,
The definitions for DayHourCoordenate is below in my original post and
Appointment is serializable because I make a lot of anothers RPC using
List<Appointment> without problems.
On Wed, Mar 18, 2009 at 6:19 PM, Vitali Lovich <vlov...@gmail.com> wrote:
> The error message tells you exactly the reason: WeeklyAppointmentData is
> not serializable. Please refer to the serialization rules of GWT
> (essentially, your classes have to extends IsSerializable, all non-static,
> non-final, non-transient fields must be serializable & you must provide a
> default constructor (any visibility, but it must be there).
>
> Since you don't give the definitions for DayHourCoordenate & Appointment, I
> can't give you the exact reason, but one of those classes is at fault.
>
>
> On Wed, Mar 18, 2009 at 5:13 PM, Alejandro D. Garin <aga...@gmail.com>wrote:
>
>> Hello,
>>
>> I can't serialize a HashMap and I don't understand why. Could you help me
>> please?
>> If I remove the following hashMap the RPC work just fine:
>>
>> private Map<DayHourCoordenate,List<Appointment>> mapData = new
>> HashMap<DayHourCoordenate,List<Appointment>>();
>>
>> *Tomcat error log:*
>>
>> com.google.gwt.user.client.rpc.SerializationException: Type
>> 'com.tasktimer.web.gwt.domain.WeeklyAppointmentData' was not assignable to
>> 'com.google.gwt.user.client.rpc.IsSerializable' and did not have a custom
>> field serializer. For security purposes, this type will not be serialized.
>> at
>> com.google.gwt.user.server.rpc.impl.LegacySerializationPolicy.validateSerialize(LegacySerializationPolicy.java:140)
>> at
>> com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:591)
>> at
>> com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject(AbstractSerializationStreamWriter.java:129)
>> at
>> com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter$ValueWriter$8.write(ServerSerializationStreamWriter.java:146)
>> at
>> com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeValue(ServerSerializationStreamWriter.java:530)
>> at com.google.gwt.user.server.rpc.RPC.encodeResponse(RPC.java:573)
>> at
>> com.google.gwt.user.server.rpc.RPC.encodeResponseForSuccess(RPC.java:441)
>> at
>> com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:529)
>> at
>> com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:164)
>> at
>> com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServiceServlet.java:86)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>> at
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>> at
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
>> at
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
>> at
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>> at
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>> at
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263)
>> at
>> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
>> at
>> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584)
>> at
>> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
>> at java.lang.Thread.run(Unknown Source)
>>
>> *The demo clases:*
>>
>> public class SimpleFacadeImpl extends RemoteServiceServlet implements
>> SimpleFacade {
>>
>> private static final long serialVersionUID = 1164908101444531503L;
>>
>> public SimpleFacadeImpl() {
>>
>> }
>> @Override
>> public WeeklyAppointmentData getWeeklyData() {
>> WeeklyAppointmentData data = new WeeklyAppointmentData();
>> DayHourCoordenate coordenate = new DayHourCoordenate(11,10);
>> data.add(coordenate, new Appointment());
>> return data;
>> }
>> }
>>
>> @RemoteServiceRelativePath("/simpleFacade.do")
>> public interface SimpleFacade extends RemoteService {
>>
>> public WeeklyAppointmentData getWeeklyData();
>> }
>>
>> public class WeeklyAppointmentData implements Serializable {
>>
>> private static final long serialVersionUID = 4291039636290439374L;
>> private Map<DayHourCoordenate,List<Appointment>> mapData = new
>> HashMap<DayHourCoordenate,List<Appointment>>();
>>
>> public WeeklyAppointmentData() {
>>
>> }
>> public void add(DayHourCoordenate coordenate, Appointment appointment) {
>>
>> List<Appointment> list = mapData.get(coordenate);
>> if( list == null) {
>> list = new ArrayList<Appointment>();
>> mapData.put(coordenate, list);
>> }
>> list.add(appointment);
>> }
>> public List<Appointment> get(DayHourCoordenate coordenate) {
>> return mapData.get(coordenate);
>> }
>> }
>>
>> public class DayHourCoordenate implements Serializable {
>>
>> private static final long serialVersionUID = 217370389812685596L;
>> private int day = 0;
>> private int hour = 0;
>>
>> public DayHourCoordenate() {
>>
>> }
>> public DayHourCoordenate(int day, int hour) {
>> this.day = day;
>> this.hour = hour;
>> }
>> public int getDay() {
>> return day;
>> }
>> public void setDay(int day) {
>> this.day = day;
>> }
>> public int getHour() {
>> return hour;
>> }
>> public void setHour(int hour) {
>> this.hour = hour;
>> }
>> @Override
>> public int hashCode() {
>> final int prime = 31;
>> int result = 1;
>> result = prime * result + day;
>> result = prime * result + hour;
>> return result;
>> }
>> @Override
>> public boolean equals(Object obj) {
>> if (this == obj)
>> return true;
>> if (obj == null)
>> return false;
>> if (!(obj instanceof DayHourCoordenate))
>> return false;
>> DayHourCoordenate other = (DayHourCoordenate) obj;
>> if (day != other.day)
>> return false;
>> if (hour != other.hour)
>> return false;
>> return true;
>> }
>> }
>>
>>
>>
>
> >
>
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