What's the stack trace you get when you use normal serialization? It should
point you to an offending field.
If you only get it with JCL, there is probably something in JCL that isn't
serializable. You should consider either making it a static variable,
getting it only when you need it (don't hold a reference, which is probably
quite inefficient), or store it as a transient field, and initiatlize it
lazily (check on null) so that it won't be serialized. More work but safe.
If you choose the latter, be sure to always do the null check, as
serializaing/ deserializing will null the reference.
Eelco
On 4/25/07, Bjön Limell <[EMAIL PROTECTED]> wrote:
Maybe I was a bit unclear.
The problem only occurs when you're using jcl104-over-slf4j (JCL's Log not
slf4j's Logger).
JCL104-over-slf4j just enables you to use old 'Log log = LogFactory.getLog()'
with slf4j (without classloading issues etc)
ps. Same problem with Objects.setObjectStreamFactory(...);
On 4/25/07, Justin Morgan < [EMAIL PROTECTED]> wrote:
>
>
> Just a data point...I am using the Wicket 1.3 snapshot jars along with
> SLF4J with no problems; my pages log just fine. The underlying logging
> implementation I'm using is the Log4J (v1.2) logging system. So far I
> really like slf4j, BTW.
>
> - Justin
>
>
>
> *"Bjön Limell" <[EMAIL PROTECTED]>*
> Sent by: [EMAIL PROTECTED]
>
> 04/25/2007 11:57 AM Please respond to
> wicket-user@lists.sourceforge.net
>
> To
> wicket-user@lists.sourceforge.net cc
>
> Subject
> Re: [Wicket-user] SLF4J and wicket
>
>
>
>
>
>
> btw, im using 1.3.0-incubating-SNAPSHOT
>
> On 4/25/07, Bjön Limell <[EMAIL PROTECTED]> wrote:
> > Sure!
> >
> > ERROR org.apache.wicket.util.lang.Objects
> > "Error serializing object class test.page.SignInPage [object=[Page
> > class = test.page.SignInPage, id = 1, version = 0]]"
> > org.apache.wicket.util.io.WicketSerializeableException: No
> > Serializable constructor found for class
> > org.apache.commons.logging.impl.SLF4JLocationAwareLog
> > test.page.SignInPage->log
> > NOTE: 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.lang.Objects.objectToByteArray(
> Objects.java:1102)
> > at org.apache.wicket.protocol.http.FilePageStore.serializePage
> (FilePageStore.java:651)
> > at org.apache.wicket.protocol.http.FilePageStore.access$900(
> FilePageStore.java:49)
> > at
> org.apache.wicket.protocol.http.FilePageStore$PageSerializingThread.run(
> FilePageStore.java:237)
> > at java.lang.Thread.run(Thread.java:619)
> >
> > ps. thanks for the SUPER quick response!! ;)
> >
> > On 4/25/07, Eelco Hillenius <[EMAIL PROTECTED]> wrote:
> > > It might be a bug in our custom serialization. Could you please
> paste
> > > the full stack trace please?
> > >
> > > Eelco
> > >
> > > On 4/25/07, Bjön Limell <[EMAIL PROTECTED]> wrote:
> > > > Hi.
> > > >
> > > > Anyone had success with slf4j and wicket pages?
> > > >
> > > > Im getting serializeable exceptions with
> jcl104-over-slf4j-1.3.1.jar:
> > > > org.apache.wicket.util.io.WicketSerializeableException: No
> > > > Serializable constructor found for class
> > > > org.apache.commons.logging.impl.SLF4JLocationAwareLog
> > > >
> > > > At the moment I dont need to cluster, but im not sure how its
> gonna be
> > > > later on...
> > > >
> > > >
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