It looks like you are serializing the MySQL connection. You should not keep
it around in the session, but rather create a connection when you need it,
or use a connection pool.


exceptionist wrote:
> 
> hello,
> i´ve got a problem with serialization.
> 
> my application is connected to a mysql-db and every class of mine
> implements serializable.
> but still there are exceptions telling me that java.lang.Object isn´t
> serializable...
> 
> 
> 
>> org.apache.wicket.util.io.SerializableChecker$WicketNotSerializableException:
>> Unable to serialize class: java.lang.Object
>> 
>> private java.util.Map com.mysql.jdbc.ConnectionImpl.charsetConverterMap
>> [class=java.util.HashMap]
>> private java.util.Map
>> com.mysql.jdbc.ConnectionImpl.charsetConverterMap[write:1][write:2]
>> [class=java.lang.Object] <----- field that is not serializable
>> 
> 
> is there a possibility to deactivate serialization?
> or how shall i solve this problem?
> 
> kind regards ans many thanks to those who can help me out of the
> serialization-jungle (never serialized anything before and i am relatively
> new to wicket with my very first real wicket-project)
> 
> 
> 
> 
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> 

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