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Posted to users@wicket.apache.org by mraible <ma...@raibledesigns.com> on 2007/09/14 01:23:29 UTC

NotSerializableException for SLF4JLocationAwareLog with Wicket 1.2.6

I noticed the following in my logs today when using Wicket 1.2.6. Is this a
known issue?

Thanks,

Matt

Sep 14, 2007 1:19:59 AM org.apache.catalina.session.StandardSession
writeObject
Sep 14, 2007 1:19:59 AM org.apache.catalina.session.StandardSession
writeObject
WARNING: Cannot serialize session attribute wicket:/app:p:null:1 for session
8900AC5E8B0DBAD32BF7C00EACC22B19
WARNING: Cannot serialize session attribute wicket:/app:p:null:1 for session
8900AC5E8B0DBAD32BF7C00EACC22B19
java.io.NotSerializableException:
org.apache.commons.logging.impl.SLF4JLocationAwareLog
java.io.NotSerializableException:
org.apache.commons.logging.impl.SLF4JLocationAwareLog
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Re: NotSerializableException for SLF4JLocationAwareLog with Wicket 1.2.6

Posted by Eelco Hillenius <ee...@gmail.com>.
> or transient...

That will fix the exception, but will throw null pointers when you use
the back button (at least with the SLCSS/ in a cluster).

Eelco

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Re: NotSerializableException for SLF4JLocationAwareLog with Wicket 1.2.6

Posted by "Nino.Martinez" <ni...@jayway.dk>.
or transient...

-Nino



Eelco Hillenius wrote:
> 
> On 9/13/07, mraible <ma...@raibledesigns.com> wrote:
>>
>> I noticed the following in my logs today when using Wicket 1.2.6. Is this
>> a
>> known issue?
> 
> That happens when you include your loggers as members. Unfortunately,
> they are not serializable. If you make them static or get them on the
> fly, you won't have the problem.
> 
> Eelco
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@wicket.apache.org
> For additional commands, e-mail: users-help@wicket.apache.org
> 
> 
> 

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Re: NotSerializableException for SLF4JLocationAwareLog with Wicket 1.2.6

Posted by Eelco Hillenius <ee...@gmail.com>.
On 9/13/07, mraible <ma...@raibledesigns.com> wrote:
>
> I noticed the following in my logs today when using Wicket 1.2.6. Is this a
> known issue?

That happens when you include your loggers as members. Unfortunately,
they are not serializable. If you make them static or get them on the
fly, you won't have the problem.

Eelco

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Re: NotSerializableException for SLF4JLocationAwareLog with Wicket 1.2.6

Posted by Eelco Hillenius <ee...@gmail.com>.
> Your framework review is spot on about a very helpful community. Not sure
> Eelco or Igor ever sleep.

Not sure either ;-) But many others in the team and some users work
just as hard on supporting Wicket!

Eelco

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Re: NotSerializableException for SLF4JLocationAwareLog with Wicket 1.2.6

Posted by Sam Hough <sa...@redspr.com>.
That is a shame. Our web developer/HTML monkey seems quite happy. The Wicket
guys have really gone the full monty in not having any scripting. IMHO this
is a good thing. As a GWT fan I'd go further and have fewer HTML chunks :)

I'm still a bit worried about Ajax requests be single threaded per Page...
and worried about the complexity of Wicket but still very glad not be using
struts etc.

Your framework review is spot on about a very helpful community. Not sure
Eelco or Igor ever sleep.



mraible wrote:
> 
> I'm using it with pleasure. ;-) 
> 
> I really like Wicket and almost used it on my last project. Unfortunately,
> it's lack of conditionals in templates was a show stopper for the web
> developers on the project. Also, the inability to call methods with
> arguments (from templates) was an issue. I'm sure we could write
> components to workaround these issues, but we didn't. 
> 
> It's not supported in AppFuse yet, but it is supported in AppFuse Light
> (http://appfuse-light.dev.java.net). This means there's starter projects
> for Wicket + a whole bunch of persistence frameworks: Hibernate, iBATIS,
> OJB, JDO (JPOX) and Spring JDBC. Unfortunately, they're not available as
> Maven archetypes (yet) because I didn't want to hand-create 60 different
> archetypes. Rumor is the archetype plugin will support creating archetypes
> from project in the future. 
> 
> Matt
> 
> 
> Eelco Hillenius wrote:
>> 
>> On 9/14/07, Sam Hough <sa...@redspr.com> wrote:
>>>
>>> Is that THE Matt Raible? Are you using Wicket in anger or evaluating?
>> 
>> I bet with stress on the anger ;-)
>> 
>> AppFuse supports Wicket now too if I'm correct.
>> 
>> Eelco
>> 
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@wicket.apache.org
>> For additional commands, e-mail: users-help@wicket.apache.org
>> 
>> 
>> 
> 
> 

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Re: NotSerializableException for SLF4JLocationAwareLog with Wicket 1.2.6

Posted by mraible <ma...@raibledesigns.com>.
I'm using it with pleasure. ;-) 

I really like Wicket and almost used it on my last project. Unfortunately,
it's lack of conditionals in templates was a show stopper for the web
developers on the project. Also, the inability to call methods with
arguments (from templates) was an issue. I'm sure we could write components
to workaround these issues, but we didn't. 

It's not supported in AppFuse yet, but it is supported in AppFuse Light
(http://appfuse-light.dev.java.net). This means there's starter projects for
Wicket + a whole bunch of persistence frameworks: Hibernate, iBATIS, OJB,
JDO (JPOX) and Spring JDBC. Unfortunately, they're not available as Maven
archetypes (yet) because I didn't want to hand-create 60 different
archetypes. Rumor is the archetype plugin will support creating archetypes
from project in the future. 

Matt


Eelco Hillenius wrote:
> 
> On 9/14/07, Sam Hough <sa...@redspr.com> wrote:
>>
>> Is that THE Matt Raible? Are you using Wicket in anger or evaluating?
> 
> I bet with stress on the anger ;-)
> 
> AppFuse supports Wicket now too if I'm correct.
> 
> Eelco
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@wicket.apache.org
> For additional commands, e-mail: users-help@wicket.apache.org
> 
> 
> 

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Re: NotSerializableException for SLF4JLocationAwareLog with Wicket 1.2.6

Posted by Eelco Hillenius <ee...@gmail.com>.
On 9/14/07, Sam Hough <sa...@redspr.com> wrote:
>
> Is that THE Matt Raible? Are you using Wicket in anger or evaluating?

I bet with stress on the anger ;-)

AppFuse supports Wicket now too if I'm correct.

Eelco

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Re: NotSerializableException for SLF4JLocationAwareLog with Wicket 1.2.6

Posted by Sam Hough <sa...@redspr.com>.
Is that THE Matt Raible? Are you using Wicket in anger or evaluating?





mraible wrote:
> 
> I noticed the following in my logs today when using Wicket 1.2.6. Is this
> a known issue?
> 
> Thanks,
> 
> Matt
> 
> Sep 14, 2007 1:19:59 AM org.apache.catalina.session.StandardSession
> writeObject
> Sep 14, 2007 1:19:59 AM org.apache.catalina.session.StandardSession
> writeObject
> WARNING: Cannot serialize session attribute wicket:/app:p:null:1 for
> session 8900AC5E8B0DBAD32BF7C00EACC22B19
> WARNING: Cannot serialize session attribute wicket:/app:p:null:1 for
> session 8900AC5E8B0DBAD32BF7C00EACC22B19
> java.io.NotSerializableException:
> org.apache.commons.logging.impl.SLF4JLocationAwareLog
> java.io.NotSerializableException:
> org.apache.commons.logging.impl.SLF4JLocationAwareLog
> 

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