Reinout, could you please try putting:
org.apache.wicket.util.lang.Objects.setObjectStreamFactory(new
IObjectStreamFactory.DefaultObjectStreamFactory())
in your application's init method (or update to the latest Wicket snapshot)?
If the problem stays, it should give you a clearer message what is wrong,
and if it goes away just by putting in that line, could you please report
that back (so that we/ Johan can write a unit test)?
Thanks,
Eelco
On 5/25/07, Philip A. Chapman <[EMAIL PROTECTED]> wrote:
It looks like your page, or a model or component attached to that page
holds a reference to an object that cannot be serialized. That's a no-no.
Once a request has been processed, the pages are serialized and stored in a
cache in case the user needs to access them again via back button.
On Fri, 2007-05-25 at 18:50 +0200, Reinout van Schouwen wrote:
Hello all,
During ApacheCon earlier this month I first heard from Wicket.My interest was
aroused and the past few days I've been trying to getstarted with wicket 1.3b1
(yes, choosing the latest stable version mighthave been better, but hey, I like
cutting edge ;)
So one of the things I have been doing is trying to (re)build the
wicketexamples in the 1.3.0-incubating-beta1 distribution.
After manually adding the 1.3b1 jars to my local maven repository I wasready to
go -- or so I thought. There were still building errors relatedto missing
Spring classes. I was able to solve those by adding 'spring'and 'wicket-spring'
dependencies to pom.xml. (Do I have to file a bugfor that?) Anyway, the project
now builds!
However, the following test failure is something I have no idea how tosolve
quickly. Does someone have a suggestion? This is the error:
ERROR - Objects - Error serializing object class org.apache.wicket.examples.hangman.Guess [object=[Page class =
org.apache.wicket.examples.hangman.Guess, id = 1, version = 0]]org.apache.wicket.util.io.WicketSerializeableException: No
Serializable constructor found for class
sun.font.AttributeMaporg.apache.wicket.examples.hangman.Guess->children->org.apache.wicket.Component[5]->org.apache.wicket.examples.hangman.Guess$2->children->org.apache.wicket.Component[26]->org.apache.wicket.markup.html.list.ListItem->children->org.apache.wicket.examples.hangman.Guess$2$1->children->org.apache.wicket.markup.html.image.Image->localizedImageResource->org.apache.wicket.markup.html.image.resource.LocalizedImageResource->resource->org.apache.wicket.markup.html.image.resource.DefaultButtonImageResource->fontAttributesNOTE:
if you feel Wicket is at fault with this exception, please report to the mailing list. You can switch to JDK based serialization
by calling: org.apache.wicket.util.lang.Objects.setObjectStreamFactory(new IObjectStreamFactory.DefaultObjectStreamFactory()) e.g.
in the init method of your application at
org.apache.wicket.util.io.ClassStreamHandler.<init>(ClassStreamHandler.java:252) at
org.apache.wicket.util.io.ClassStreamHandler.lookup(ClassStreamHandler.java:116) at
org.apache.wicket.util.io.WicketObjectOutputStream.writeObjectOverride(WicketObjectOutputStream.java:752) at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322) at
org.apache.wicket.util.io.ClassStreamHandler$ObjectFieldAndIndex.writeField(ClassStreamHandler.java:862) at
org.apache.wicket.util.io.ClassStreamHandler.writeFields(ClassStreamHandler.java:387) at
org.apache.wicket.util.io.WicketObjectOutputStream.writeObjectOverride(WicketObjectOutputStream.java:779) at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322) at
org.apache.wicket.util.io.ClassStreamHandler$ObjectFieldAndIndex.writeField(ClassStreamHandler.java:862) at
org.apache.wicket.util.io.ClassStreamHandler.writeFields(ClassStreamHandler.java:387) at
org.apache.wicket.util.io.WicketObjectOutputStream.writeObjectOverride(WicketObjectOutputStream.java:779) at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322) at
org.apache.wicket.util.io.ClassStreamHandler$ObjectFieldAndIndex.writeField(ClassStreamHandler.java:862) at
org.apache.wicket.util.io.ClassStreamHandler.writeFields(ClassStreamHandler.java:387) at
org.apache.wicket.util.io.WicketObjectOutputStream.writeObjectOverride(WicketObjectOutputStream.java:779) at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322) at
org.apache.wicket.util.io.ClassStreamHandler$ObjectFieldAndIndex.writeField(ClassStreamHandler.java:862) at
org.apache.wicket.util.io.ClassStreamHandler.writeFields(ClassStreamHandler.java:387) at
org.apache.wicket.util.io.WicketObjectOutputStream.writeObjectOverride(WicketObjectOutputStream.java:779) at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322) at
org.apache.wicket.util.io.ClassStreamHandler$ObjectFieldAndIndex.writeField(ClassStreamHandler.java:862) at
org.apache.wicket.util.io.ClassStreamHandler.writeFields(ClassStreamHandler.java:387) at
org.apache.wicket.util.io.WicketObjectOutputStream.writeObjectOverride(WicketObjectOutputStream.java:779) at
org.apache.wicket.util.io.WicketObjectOutputStream.writeObjectOverride(WicketObjectOutputStream.java:733) at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322) at
org.apache.wicket.util.io.ClassStreamHandler$ObjectFieldAndIndex.writeField(ClassStreamHandler.java:862) at
org.apache.wicket.util.io.ClassStreamHandler.writeFields(ClassStreamHandler.java:387) at
org.apache.wicket.util.io.WicketObjectOutputStream.writeObjectOverride(WicketObjectOutputStream.java:779) at
org.apache.wicket.util.io.WicketObjectOutputStream.writeObjectOverride(WicketObjectOutputStream.java:733) at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322) at
org.apache.wicket.util.io.ClassStreamHandler$ObjectFieldAndIndex.writeField(ClassStreamHandler.java:862) at
org.apache.wicket.util.io.ClassStreamHandler.writeFields(ClassStreamHandler.java:387) at
org.apache.wicket.util.io.WicketObjectOutputStream.writeObjectOverride(WicketObjectOutputStream.java:779) at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322) at
org.apache.wicket.util.lang.Objects.objectToByteArray(Objects.java:1102) at
org.apache.wicket.protocol.http.FilePageStore.serializePage(FilePageStore.java:651) at
org.apache.wicket.protocol.http.FilePageStore.testMap(FilePageStore.java:718) at
org.apache.wicket.protocol.http.FilePageStore.pageAccessed(FilePageStore.java:520) at
org.apache.wicket.protocol.http.SecondLevelCacheSessionStore$SecondLevelCachePageMap.get(SecondLevelCacheSessionStore.java:129)
at org.apache.wicket.Session.getPage(Session.java:741) at
org.apache.wicket.request.AbstractRequestCycleProcessor.resolveRenderedPage(AbstractRequestCycleProcessor.java:427) at
org.apache.wicket.protocol.http.WebRequestCycleProcessor.resolve(WebRequestCycleProcessor.java:137) at
org.apache.wicket.RequestCycle.step(RequestCycle.java:1026) at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1127)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:489) at
org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:248) at
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:122) at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1065) at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:365) at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:185) at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:689) at
org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:391) at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139) at
org.mortbay.jetty.Server.handle(Server.java:285) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:457)
at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:751) at
org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:500) at
org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:209) at
org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:357) at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:329) at
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:475)
regards,
-- Reinout van Schouwenhttp://vanschouwen.info/
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