Hi Oleg, i'm facing the same problem for 5 days now... Can you tell me please how you solved it?
Many thanks in advance Rodrigue On Nov 22, 12:56 am, "Oleg K." <seq...@gmail.com> wrote: > Hi all. > > I have the following problem. > > My project tries to use GWT RPC. > > It has one jar in dependency libs which contain several model classes. > All of that classes implements Serializable and IsSerializable > interfaces (one of that classes is CHAttrGroup). That jar also > includes .java files with source code and Module.gwt.xml file so that > model classes can be used in main GWT application by including > <inherits name="...." />. > > GWT compiler (2.0-rc1) doesn't write error messages when building > application and all that model classes (e.g. CHAttrGroup) work > correctly in client-side code (like other gwt client classes). But > when I try to send objects of that class from server to client I get > following exception: > > 2009-11-22 02:34:49.688:tasktrackgwt:WARN: Exception while > dispatching incoming RPC call > com.google.gwt.user.client.rpc.SerializationException: > java.lang.reflect.InvocationTargetException > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.seriali > zeWithCustomSerializer > (ServerSerializationStreamWriter.java:760) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.seriali > zeImpl > (ServerSerializationStreamWriter.java:723) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.seriali ze > (ServerSerializationStreamWriter.java:612) > at > com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.write > Object > (AbstractSerializationStreamWriter.java:129) > at com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter > $ValueWriter$8.write(ServerSerializationStreamWriter.java:152) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.seriali > zeValue > (ServerSerializationStreamWriter.java:534) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.seriali > zeClass > (ServerSerializationStreamWriter.java:700) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.seriali > zeImpl > (ServerSerializationStreamWriter.java:730) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.seriali ze > (ServerSerializationStreamWriter.java:612) > at > com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.write > Object > (AbstractSerializationStreamWriter.java:129) > at com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter > $ValueWriter$8.write(ServerSerializationStreamWriter.java:152) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.seriali > zeValue > (ServerSerializationStreamWriter.java:534) > at com.google.gwt.user.server.rpc.RPC.encodeResponse(RPC.java:607) > at com.google.gwt.user.server.rpc.RPC.encodeResponseForSuccess > (RPC.java:465) > at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse > (RPC.java:562) > at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall > (RemoteServiceServlet.java:188) > at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost > (RemoteServiceServlet.java:224) > at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost > (AbstractRemoteServiceServlet.java:62) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) > at com.google.inject.servlet.ServletDefinition.doService > (ServletDefinition.java:216) > at com.google.inject.servlet.ServletDefinition.service > (ServletDefinition.java:141) > at com.google.inject.servlet.ManagedServletPipeline.service > (ManagedServletPipeline.java:93) > at com.google.inject.servlet.FilterChainInvocation.doFilter > (FilterChainInvocation.java:63) > at com.google.inject.servlet.ManagedFilterPipeline.dispatch > (ManagedFilterPipeline.java:122) > at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java: > 110) > at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter > (ServletHandler.java:1157) > at org.mortbay.jetty.servlet.ServletHandler.handle > (ServletHandler.java:388) > at org.mortbay.jetty.security.SecurityHandler.handle > (SecurityHandler.java:216) > at org.mortbay.jetty.servlet.SessionHandler.handle > (SessionHandler.java:182) > at org.mortbay.jetty.handler.ContextHandler.handle > (ContextHandler.java:765) > at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java: > 418) > at org.mortbay.jetty.handler.ContextHandlerCollection.handle > (ContextHandlerCollection.java:230) > at org.mortbay.jetty.handler.HandlerCollection.handle > (HandlerCollection.java:114) > at org.mortbay.jetty.handler.HandlerWrapper.handle > (HandlerWrapper.java:152) > at org.mortbay.jetty.Server.handle(Server.java:326) > at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java: > 536) > at org.mortbay.jetty.HttpConnection$RequestHandler.content > (HttpConnection.java:930) > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747) > at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:405) > at org.mortbay.io.nio.SelectChannelEndPoint.run > (SelectChannelEndPoint.java:409) > at org.mortbay.thread.QueuedThreadPool$PoolThread.run > (QueuedThreadPool.java:582) > Caused by: java.lang.reflect.InvocationTargetException > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke > (NativeMethodAccessorImpl.java:39) > at sun.reflect.DelegatingMethodAccessorImpl.invoke > (DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.seriali > zeWithCustomSerializer > (ServerSerializationStreamWriter.java:742) > ... 42 more > Caused by: com.google.gwt.user.client.rpc.SerializationException: Type > 'ru.codehouse.tasktrack.model.objects.CHAttributeGroup' was not > included in the set of types which can be serialized by this > SerializationPolicy or its Class object could not be loaded. For > security purposes, this type will not be serialized.: instance = > ru.codehouse.tasktrack.model.objects.CHAttributeGroup[id=10] > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.seriali ze > (ServerSerializationStreamWriter.java:610) > at > com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.write > Object > (AbstractSerializationStreamWriter.java:129) > at > com.google.gwt.user.client.rpc.core.java.util.Collection_CustomFieldSeriali > zerBase.serialize > (Collection_CustomFieldSerializerBase.java:43) > at > com.google.gwt.user.client.rpc.core.java.util.ArrayList_CustomFieldSerializ > er.serialize > (ArrayList_CustomFieldSerializer.java:36) > ... 47 more > > GWT serialization policy file contains following line: > > ru.codehouse.tasktrack.model.objects.CHAttribute, false, false, true, > true, ru.codehouse.tasktrack.model.objects.CHAttribute/3607536941, > 3607536941 > > which tells us that field and instant serialization is not permitted > (first, and second 'false's) and that field and instance > deserialization is permitted (3rd and 4th 'true's). > > How can I enable serialization of my model objects ? -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. 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