The problems always seem to occur in that cloud in the middle of the diagram that says "stuff happens here" or "this is where the magic happens".....
-- Jeremy Thomerson http://www.wickettraining.com On Thu, Nov 19, 2009 at 12:04 PM, Igor Vaynberg <[email protected]>wrote: > i am going to guess that inside "//stuff happens here..." you access > the final cart field. when you do this inside an anonymous class it > keeps a reference, so that is what is causing your serialization > problem. instead of having the final field, do the lookup > "((UserSession)getSession()).getCart();" directly inside the "//stuff > happens here..." > > -igor > > On Thu, Nov 19, 2009 at 9:57 AM, VGJ <[email protected]> wrote: > > I reference the bean's interface in order to use it, yes. What's the > > alternative? Would I instead access everything through a proxy class and > > store the proxy itself into the WebSession, to retain a reference? As it > > is, each page in the checkout process changes the Stateful bean's > properties > > and stores it back into the WebSession. Here is what the Cart page looks > > like, in summary: > > > > public class Cart extends BasePage > > { > > public Cart() > > { > > //get session - derives from Wicket's WebSession > > UserSession session = (UserSession)getSession(); > > > > //get cart from session > > final ShoppingCartLocal cart = ((UserSession)getSession()).getCart(); > > > > //create form > > Form form = new Form("cartForm"); > > > > //add list of non-bundle Configuration objects to form > > form.add(new ListView("orderLinesView", cart.getOrderLines()) > > { > > protected void populateItem(ListItem item) > > { > > //stuff happens here... > > } > > } > > > > //...and so on...and so forth... > > } > > } > > > > On Thu, Nov 19, 2009 at 10:07 AM, Igor Vaynberg <[email protected] > >wrote: > > > >> according to the stacktrace, this component: > >> > >> path=3:cartForm:orderLinesView] > >> > >> has this reference: final com.myapp.session.ShoppingCartLocal > >> > >> so looks like you are holding on to your bean directly instead of using > a > >> proxy. > >> > >> -igor > >> > >> On Thu, Nov 19, 2009 at 8:48 AM, VGJ <[email protected]> wrote: > >> > One would think...however I tried it and it makes no difference. None > of > >> my > >> > proxy classes implement Serializable and this exception occurs nowhere > >> else, > >> > also. > >> > > >> > Just to be certain, I just went through and implemented it on *all* of > my > >> > proxy classes in this app. No change. > >> > > >> > > >> > On Thu, Nov 19, 2009 at 9:30 AM, Igor Vaynberg < > [email protected] > >> >wrote: > >> > > >> >> your CartProxy does not implement serialiazable so it cannot be > >> >> serialized... > >> >> > >> >> -igor > >> >> > >> >> On Thu, Nov 19, 2009 at 7:30 AM, VGJ <[email protected]> wrote: > >> >> > I'm not injecting it directly. I'm using a "proxy" class to get a > >> >> reference > >> >> > to the stateless bean's interface like so: > >> >> > > >> >> > public class CartProxy > >> >> > { > >> >> > private static ShoppingCartLocal lookupCartInterface() > >> >> > { > >> >> > ShoppingCartLocal cart = null; > >> >> > > >> >> > try > >> >> > { > >> >> > InitialContext ctx = new InitialContext(); > >> >> > cart = > >> >> > (ShoppingCartLocal)ctx.lookup("java:comp/env/ShoppingCartBean"); > >> >> > } > >> >> > catch (NamingException exp) > >> >> > { > >> >> > LogProxy.saveEntry(exp); > >> >> > } > >> >> > > >> >> > return cart; > >> >> > } > >> >> > } > >> >> > > >> >> > The reference in web.xml makes this possible: > >> >> > > >> >> > <ejb-local-ref> > >> >> > <ejb-ref-name>ShoppingCartBean</ejb-ref-name> > >> >> > <ejb-ref-type>Session</ejb-ref-type> > >> >> > <local>com.myapp.session.ShoppingCartLocal</local> > >> >> > <ejb-link>MyProjectEJB.jar#ShoppingCartBean</ejb-link> > >> >> > </ejb-local-ref> > >> >> > > >> >> > Is this not supposed to work? It's been in production for over 3 > >> >> yrs...so I > >> >> > hope it does! :) > >> >> > > >> >> > The entire app is built this way and this one page is the only one > >> >> throwing > >> >> > this exception. It works, it doesn't stop the show or affect > anything > >> >> > negatively, so far as I can tell. I would just like to get rid of > it > >> and > >> >> > figure out what it is. > >> >> > > >> >> > Thanks again, > >> >> > > >> >> > -v > >> >> > > >> >> > On Wed, Nov 18, 2009 at 11:49 PM, Igor Vaynberg < > >> [email protected] > >> >> >wrote: > >> >> > > >> >> >> wicket stuff contains a wicket-jee module which supports injecting > >> ejb > >> >> >> beans into wicket components the same way that wicket-spring > injects > >> >> >> wicket beans. > >> >> >> > >> >> >> -igor > >> >> >> > >> >> >> On Wed, Nov 18, 2009 at 10:37 PM, Pieter Degraeuwe > >> >> >> <[email protected]> wrote: > >> >> >> > Your cart has a reference to the sessionBean ShopingCart. This > is > >> not > >> >> >> > allowed, however. The IOC incjectionsupport makes this possible > by > >> >> >> wrapping > >> >> >> > this EJB reference with a serializable proxy. > >> >> >> > > >> >> >> > I only have expecience with wicket-spring end it works great. > (In > >> your > >> >> >> case, > >> >> >> > define your ejb reference in spring and inject it via > wicket-spring > >> >> >> support > >> >> >> > in your page. > >> >> >> > problem solved! > >> >> >> > > >> >> >> > Pieter > >> >> >> > > >> >> >> > On Wed, Nov 18, 2009 at 10:50 PM, VGJ <[email protected]> > wrote: > >> >> >> > > >> >> >> >> I'm completely at wits end here and I hope someone can point > out > >> >> what's > >> >> >> >> wrong. > >> >> >> >> > >> >> >> >> I've got an e-commerce application that is simply moving > between > >> two > >> >> >> pages > >> >> >> >> using setRedirectPage() when going from a product detail page > to > >> the > >> >> >> >> shopping cart page. There isn't anything remarkable about > either > >> of > >> >> >> these > >> >> >> >> two pages, they're basically like any other in the app. > However, > >> >> when > >> >> >> the > >> >> >> >> cart page loads, I get the exception at the bottom of this > >> message. > >> >> >> >> > >> >> >> >> I've tried implementing Serializable on the Cart() page class > but > >> it > >> >> >> makes > >> >> >> >> no difference. It points out > >> >> >> >> > "com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate" > >> as > >> >> the > >> >> >> >> culprit. I use a stateful session bean (ShoppingCart) which is > >> >> passed > >> >> >> >> around the app as part of the session (custom > WebSession-derived > >> >> class) > >> >> >> >> > >> >> >> >> This is the only page this occurs on. There are several other > >> steps > >> >> in > >> >> >> the > >> >> >> >> cart's checkout process that look exactly like this one and the > >> >> >> exception > >> >> >> >> doesn't happen on any of the others > >> >> >> >> > >> >> >> >> Any ideas? > >> >> >> >> > >> >> >> >> Exception: > >> >> >> >> > >> >> >> >> 25717 [httpSSLWorkerThread-8080-1] ERROR > >> >> >> >> org.apache.wicket.util.lang.Objects > >> >> >> >> - Error serializing object class com.myapp.ui.Cart > [object=[Page > >> >> class = > >> >> >> >> com.myapp.ui.Cart, id = 3, version = 0]] > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.util.io.SerializableChecker$WicketNotSerializableException: > >> >> >> >> Unable to serialize class: > >> >> >> >> com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate > >> >> >> >> Field hierarchy is: > >> >> >> >> 3 [class=com.myapp.ui.Cart, path=3] > >> >> >> >> private java.lang.Object > >> >> org.apache.wicket.MarkupContainer.children > >> >> >> >> [class=[Ljava.lang.Object;] > >> >> >> >> private > >> >> >> >> > org.apache.wicket.markup.html.ContainerWithAssociatedMarkupHelper > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.markup.html.WebMarkupContainerWithAssociatedMarkup.markupHelper[6] > >> >> >> >> [class=org.apache.wicket.markup.html.form.Form, > path=3:cartForm] > >> >> >> >> private java.lang.Object > >> >> >> org.apache.wicket.MarkupContainer.children > >> >> >> >> [class=[Ljava.lang.Object;] > >> >> >> >> private java.lang.Object > >> >> >> >> org.apache.wicket.MarkupContainer.children[0] > >> >> >> [class=com.myapp.ui.Cart$1, > >> >> >> >> path=3:cartForm:orderLinesView] > >> >> >> >> final com.myapp.session.ShoppingCartLocal > >> >> >> >> com.myapp.ui.Cart$1.val$cart [class=$Proxy92] > >> >> >> >> protected java.lang.reflect.InvocationHandler > >> >> >> >> java.lang.reflect.Proxy.h > >> >> >> >> > >> >> > [class=com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate] > >> >> >> >> <----- field that is not serializable > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:346) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:615) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:538) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:615) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:538) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:392) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:615) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:538) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:392) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:615) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:538) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.util.io.SerializableChecker.writeObjectOverride(SerializableChecker.java:684) > >> >> >> >> at > >> >> >> >> > >> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.util.io.IObjectStreamFactory$DefaultObjectStreamFactory$2.writeObjectOverride(IObjectStreamFactory.java:129) > >> >> >> >> at > >> >> >> >> > >> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322) > >> >> >> >> at > >> >> >> >> > >> >> > org.apache.wicket.util.lang.Objects.objectToByteArray(Objects.java:1120) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.protocol.http.pagestore.AbstractPageStore.serializePage(AbstractPageStore.java:203) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.protocol.http.pagestore.DiskPageStore.storePage(DiskPageStore.java:840) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.protocol.http.SecondLevelCacheSessionStore$SecondLevelCachePageMap.put(SecondLevelCacheSessionStore.java:332) > >> >> >> >> at > >> >> org.apache.wicket.Session.requestDetached(Session.java:1404) > >> >> >> >> at > >> >> org.apache.wicket.RequestCycle.detach(RequestCycle.java:1176) > >> >> >> >> at > >> >> org.apache.wicket.RequestCycle.steps(RequestCycle.java:1454) > >> >> >> >> at > >> >> org.apache.wicket.RequestCycle.request(RequestCycle.java:545) > >> >> >> >> at > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:456) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:289) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:288) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:271) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:202) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577) > >> >> >> >> at > >> >> com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:206) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577) > >> >> >> >> at > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571) > >> >> >> >> at > >> >> >> >> > >> >> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:150) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577) > >> >> >> >> at > >> >> >> >> > >> >> >> > >> >> > >> > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571) > >> >> >> >> at > >> >> >> >> > >> >> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080) > >> >> >> >> at > >> >> >> >> > >> >> > org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:272) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:637) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:568) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:813) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214) > >> >> >> >> at > >> >> >> >> > >> >> > com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265) > >> >> >> >> at > >> >> >> >> > >> >> >> >> > >> >> >> > >> >> > >> > com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106) > >> >> >> >> Caused by: java.io.NotSerializableException: > >> >> >> >> com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate > >> >> >> >> 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.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.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$DefaultObjectStreamFactory$2.writeObjectOverride(IObjectStreamFactory.java:121) > >> >> >> >> ... 38 more > >> >> >> >> > >> >> >> > > >> >> >> > > >> >> >> > > >> >> >> > -- > >> >> >> > Pieter Degraeuwe > >> >> >> > Systemworks bvba > >> >> >> > Belgiëlaan 61 > >> >> >> > 9070 Destelbergen > >> >> >> > GSM: +32 (0)485/68.60.85 > >> >> >> > Email: [email protected] > >> >> >> > visit us at http://www.systemworks.be > >> >> >> > > >> >> >> > >> >> >> > --------------------------------------------------------------------- > >> >> >> To unsubscribe, e-mail: [email protected] > >> >> >> For additional commands, e-mail: [email protected] > >> >> >> > >> >> >> > >> >> > > >> >> > >> >> --------------------------------------------------------------------- > >> >> To unsubscribe, e-mail: [email protected] > >> >> For additional commands, e-mail: [email protected] > >> >> > >> >> > >> > > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: [email protected] > >> For additional commands, e-mail: [email protected] > >> > >> > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
