Thanks for the quick response. Do you know if there's a way to tell Java
which parts of an object are vital during serialization and which can
be ignored. I'm thinking about how Detachable Models work.
not really sure what you mean or why you would have to do that. what is the usecase for having something that is not serializable in session?
Am I correct in assuming that if I do not correct this my app will
continue to work in a single JVM environment but it will probably not
work in a clustered environment?
yep. the debug feature serializes immediately so you get the error now instead of whenever the servlet container tries to replicate your session for you - at which point you will get a very similar error.
-Igor
-S2
--
Steve Moitozo II
Manager of Web Technology
Bates College
207-786-6266
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Igor Vaynberg wrote:
> this is not a requiremenet of wicket per se but that of the servlet
> containers. anything you keep in http session must be serializable. since
> wicket keeps most of its entities in session they must be serializable.
>
> when you set level to debug you tripped this:
> HttpSessionStore:47
> public void setAttribute(Request request, String name, Object value)
> {
> // Do some extra profiling/ debugging. This can be a great help
> // just for testing whether your webbapp will behave when using
> // session replication
> if (log.isDebugEnabled())
>
> the code inside the if block will try to serialize whatever you are trying
> to put into session immediately so there are no surprises during
> replication.
>
> there is no alternative as far as i know, simply a requirement that must be
> followed when dealing with java webapps and storing things in session.
>
> -Igor
>
>
>
> On 7/18/06, Steve Moitozo <[EMAIL PROTECTED]> wrote:
>>
>> I just changed the log4j log level for wicket to DEBUG and now my
>> application craps out with the following error:
>>
>> Internal error cloning object. Make sure all dependent objects implement
>> Serializable. Class: mystuff.wicketapp.MyWebSession
>>
>> Am I to assume that the entire hierarchy of class properties contained
>> within MyWebSession must implement Serializable? If so can you offer any
>> alternatives?
>>
>> Why does my app still work when the log level is set higher? I guess the
>> real question is does it really work? I haven't tested clustering and
>> state replication. I would assume that the above error would cause state
>> replication to fail. True?
>>
>>
>> -S2
>> --
>> Steve Moitozo II
>>
>>
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