I am creating a spring proxy for my model before attaching it to the form
and i get notserializable exception
here is the code
protected Object getproxy(){
ProxyFactory factory = new ProxyFactory(new
ReassignGrantsOfficerDTO());
factory.addAdvisor(new WorkflowMetaDataAdvisor());
factory.setProxyTargetClass(true);
Advised advised=(Advised)factory.getProxy();
advised.setExposeProxy(true);
System.out.println(advised instanceof WorkflowMetaData );
System.out.println(advised instanceof ReassignGrantsOfficerDTO );
return advised;
}
private class ReassignGrantsOfficerForm extends Form{
public ReassignGrantsOfficerForm() {
super("reassignGrantsOfficerForm", new
CompoundPropertyModel(getproxy()));
here the exception
- Error serializing object class
gov.hhs.acf.web.pages.auditprog.ReassignGrantsOfficerPage [object=[Page
class = gov.hhs.acf.web.pages.auditprog.ReassignGrantsOfficerPage, id = 3,
version = 0]]
org.apache.wicket.util.io.SerializableChecker$WicketNotSerializableException:
Unable to serialize class:
gov.hhs.acf.dto.ReassignGrantsOfficerDTO$$EnhancerByCGLIB$$4657904b
Field hierarchy is:
3 [class=gov.hhs.acf.web.pages.auditprog.ReassignGrantsOfficerPage,
path=3]
private java.lang.Object org.apache.wicket.MarkupContainer.children
[class=[Ljava.lang.Object;]
java.lang.Object org.apache.wicket.Component.data[2]
[class=org.apache.wicket.markup.html.WebMarkupContainer,
path=3:reassignGrantsOfficerContainer]
private java.lang.Object org.apache.wicket.MarkupContainer.children
[class=[Ljava.lang.Object;]
private java.lang.Object
org.apache.wicket.MarkupContainer.children[0]
[class=gov.hhs.acf.web.pages.auditprog.ReassignGrantsOfficerPage$ReassignGrantsOfficerForm,
path=3:reassignGrantsOfficerContainer:reassignGrantsOfficerForm]
java.lang.Object org.apache.wicket.Component.data
[class=org.apache.wicket.model.CompoundPropertyModel]
private java.lang.Object
org.apache.wicket.model.CompoundPropertyModel.target
[class=gov.hhs.acf.dto.ReassignGrantsOfficerDTO$$EnhancerByCGLIB$$4657904b]
<----- field that is not serializable
at
org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:342)
at
org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:610)
at
org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:533)
at
org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:610)
at
org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:533)
at
org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:388)
at
org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:610)
at
org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:533)
at
org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:388)
at
org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:610)
at
org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:533)
at
org.apache.wicket.util.io.SerializableChecker.writeObjectOverride(SerializableChecker.java:678)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322)
at
org.apache.wicket.util.io.IObjectStreamFactory$2.writeObjectOverride(IObjectStreamFactory.java:125)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322)
at
org.apache.wicket.util.lang.Objects.objectToByteArray(Objects.java:1091)
at
org.apache.wicket.protocol.http.pagestore.AbstractPageStore.serializePage(AbstractPageStore.java:197)
at
org.apache.wicket.protocol.http.pagestore.DiskPageStore.storePage(DiskPageStore.java:811)
at
org.apache.wicket.protocol.http.SecondLevelCacheSessionStore$SecondLevelCachePageMap.put(SecondLevelCacheSessionStore.java:332)
at org.apache.wicket.Session.requestDetached(Session.java:1370)
at org.apache.wicket.RequestCycle.detach(RequestCycle.java:1085)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1372)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:493)
at
org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:355)
at
org.apache.wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:124)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:502)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1124)
at
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:264)
at
org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:229)
at
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
at
org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:148)
at
org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1115)
at
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
at
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1115)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:361)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417)
at
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
at
org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:324)
at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534)
at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:864)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:533)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:207)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:403)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
at
org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:499)
Caused by: java.io.NotSerializableException:
gov.hhs.acf.dto.ReassignGrantsOfficerDTO$$EnhancerByCGLIB$$4657904b
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1156)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
at
java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:416)
at org.apache.wicket.Component.writeObject(Component.java:4216)
at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:945)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1461)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1338)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1146)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1338)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1146)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
at
org.apache.wicket.util.io.IObjectStreamFactory$2.writeObjectOverride(IObjectStreamFactory.java:117)
... 40 more
please help me resolve this ?
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