I'm getting the following error when it tries to create an instance of 'Transacao'

`Error: Cannot construct br.com.cbmp.ecommerce.resposta.Transacao as it does not have a no-args constructor : Cannot construct br.com.cbmp.ecommerce.resposta.Transacao as it does not have a no-args constructor `

---- Debugging information ----

message : Cannot construct br.com.cbmp.ecommerce.resposta.Transacao as it does not have a no-args constructor 

cause-exception : com.thoughtworks.xstream.converters.reflection.ObjectAccessException 

cause-message : Cannot construct br.com.cbmp.ecommerce.resposta.Transacao as it does not have a no-args constructor `

class : br.com.cbmp.ecommerce.resposta.Transacao 

required-type : br.com.cbmp.ecommerce.resposta.Transacao 

path : /transacao

I am aware that there's a bug with XStream 1.3.1 and JDK7, but I'm currently using XStream 1.3.1 and JDK6. Any ideas why this error is still happening?

Thanks

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