That depends on the version of GWT he's using. As of 1.5 (or 1.4 - can't recall the exact version), Serializable is a synonym for IsSerializable
On Wed, Mar 18, 2009 at 5:15 PM, George Holler <[email protected]>wrote: > > > The class WeeklyAppointmentData does not appear to implement > IsSerializable. That's in the first line of the error stack trace. > > G > > --- On Wed, 3/18/09, Alejandro D. Garin <[email protected]> wrote: > > > From: Alejandro D. Garin <[email protected]> > > Subject: SerializationException when serialize a HashMap over RPC > > To: [email protected] > > Date: Wednesday, March 18, 2009, 5:13 PM > > 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; > > } > > } > > > > > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~----------~----~----~----~------~----~------~--~---
