serialization - GWT Cannot Serialize My Object from Hibernate -


here error receiving. i've looked everywhere answers , cannot figure out why else isn't running same issue. error happens when i'm retrieving proposal object hibernate has many-to-one constraint user_info on 2 properties, author , advisor. if needed can provide classes , hibernate configs. note, implement isserializeable , have empty constructors...i appreciate advice or help...

starting jetty on port 8888    [warn] exception while dispatching incoming rpc call com.google.gwt.user.client.rpc.serializationexception: java.lang.reflect.invocationtargetexception  @ com.google.gwt.user.server.rpc.impl.serverserializationstreamwriter.serializewithcustomserializer(serverserializationstreamwriter.java:760)  @ com.google.gwt.user.server.rpc.impl.serverserializationstreamwriter.serializeimpl(serverserializationstreamwriter.java:723)  @ com.google.gwt.user.server.rpc.impl.serverserializationstreamwriter.serialize(serverserializationstreamwriter.java:612)  @ com.google.gwt.user.client.rpc.impl.abstractserializationstreamwriter.writeobject(abstractserializationstreamwriter.java:129)  @ com.google.gwt.user.server.rpc.impl.serverserializationstreamwriter$valuewriter$8.write(serverserializationstreamwriter.java:152)  @ com.google.gwt.user.server.rpc.impl.serverserializationstreamwriter.serializevalue(serverserializationstreamwriter.java:534)  @ com.google.gwt.user.server.rpc.rpc.encoderesponse(rpc.java:609)  @ com.google.gwt.user.server.rpc.rpc.encoderesponseforsuccess(rpc.java:467)  @ com.google.gwt.user.server.rpc.rpc.invokeandencoderesponse(rpc.java:564)  @ com.google.gwt.user.server.rpc.remoteserviceservlet.processcall(remoteserviceservlet.java:188)  @ com.google.gwt.user.server.rpc.remoteserviceservlet.processpost(remoteserviceservlet.java:224)  @ com.google.gwt.user.server.rpc.abstractremoteserviceservlet.dopost(abstractremoteserviceservlet.java:62)  @ javax.servlet.http.httpservlet.service(httpservlet.java:637)  @ javax.servlet.http.httpservlet.service(httpservlet.java:717)  @ org.mortbay.jetty.servlet.servletholder.handle(servletholder.java:487)  @ org.mortbay.jetty.servlet.servlethandler.handle(servlethandler.java:362)  @ org.mortbay.jetty.security.securityhandler.handle(securityhandler.java:216)  @ org.mortbay.jetty.servlet.sessionhandler.handle(sessionhandler.java:181)  @ org.mortbay.jetty.handler.contexthandler.handle(contexthandler.java:729)  @ org.mortbay.jetty.webapp.webappcontext.handle(webappcontext.java:405)  @ org.mortbay.jetty.handler.handlerwrapper.handle(handlerwrapper.java:152)  @ org.mortbay.jetty.handler.requestloghandler.handle(requestloghandler.java:49)  @ org.mortbay.jetty.handler.handlerwrapper.handle(handlerwrapper.java:152)  @ org.mortbay.jetty.server.handle(server.java:324)  @ org.mortbay.jetty.httpconnection.handlerequest(httpconnection.java:505)  @ org.mortbay.jetty.httpconnection$requesthandler.content(httpconnection.java:843)  @ org.mortbay.jetty.httpparser.parsenext(httpparser.java:647)  @ org.mortbay.jetty.httpparser.parseavailable(httpparser.java:211)  @ org.mortbay.jetty.httpconnection.handle(httpconnection.java:380)  @ org.mortbay.io.nio.selectchannelendpoint.run(selectchannelendpoint.java:396)  @ org.mortbay.thread.queuedthreadpool$poolthread.run(queuedthreadpool.java:488) caused by: java.lang.reflect.invocationtargetexception  @ sun.reflect.nativemethodaccessorimpl.invoke0(native method)  @ sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:57)  @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)  @ java.lang.reflect.method.invoke(method.java:616)  @ com.google.gwt.user.server.rpc.impl.serverserializationstreamwriter.serializewithcustomserializer(serverserializationstreamwriter.java:742)  ... 30 more **caused by: com.google.gwt.user.client.rpc.serializationexception: type 'edu.scranton.segpis.client.shared.user_info_$$_javassist_2' not included in set of types can serialized serializationpolicy or class object not loaded. security purposes, type not serialized.: instance = edu.scranton.segpis.client.shared.user_info@1497d11**  @ com.google.gwt.user.server.rpc.impl.serverserializationstreamwriter.serialize(serverserializationstreamwriter.java:610)  @ com.google.gwt.user.client.rpc.impl.abstractserializationstreamwriter.writeobject(abstractserializationstreamwriter.java:129)  @ com.google.gwt.user.server.rpc.impl.serverserializationstreamwriter$valuewriter$8.write(serverserializationstreamwriter.java:152)  @ com.google.gwt.user.server.rpc.impl.serverserializationstreamwriter.serializevalue(serverserializationstreamwriter.java:534)  @ com.google.gwt.user.server.rpc.impl.serverserializationstreamwriter.serializeclass(serverserializationstreamwriter.java:700)  @ com.google.gwt.user.server.rpc.impl.serverserializationstreamwriter.serializeimpl(serverserializationstreamwriter.java:730)  @ com.google.gwt.user.server.rpc.impl.serverserializationstreamwriter.serialize(serverserializationstreamwriter.java:612)  @ com.google.gwt.user.client.rpc.impl.abstractserializationstreamwriter.writeobject(abstractserializationstreamwriter.java:129)  @ com.google.gwt.user.client.rpc.core.java.util.collection_customfieldserializerbase.serialize(collection_customfieldserializerbase.java:43)  @ com.google.gwt.user.client.rpc.core.java.util.arraylist_customfieldserializer.serialize(arraylist_customfieldserializer.java:36)  ... 35 more [error] 500 - post /uofsisweb/thesisproposal (127.0.0.1) 57 bytes    request headers       host: 127.0.0.1:8888       user-agent: mozilla/5.0 (x11; u; linux i686; en-us; rv:1.9.2.12) gecko/20101027 ubuntu/10.10 (maverick) firefox/3.6.12       accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8       accept-language: en-us,en;q=0.5       accept-encoding: gzip,deflate       accept-charset: iso-8859-1,utf-8;q=0.7,*;q=0.7       keep-alive: 115       connection: keep-alive       cache-control: no-cache       referer:         x-gwt-permutation: hostedmode      x-gwt-module-base:         content-type: text/x-gwt-rpc; charset=utf-8       content-length: 185       pragma: no-cache    response headers       content-type: text/plain

to manage bug several options exists, can see here: http://code.google.com/intl/fr-fr/webtoolkit/articles/using_gwt_with_hibernate.html

the new gwt 2.1.0 release comes requestfactory solves bug jpa (and hibernate).


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