Converter XML usando XStream

Galera,

Estou usando o XStream para passar um XML para Objeto dentro do Android, ate ai blza.
So que quando eu uso o Android 3.2 funciona 100%, mas quando eu uso no Android 2.3 esta dando o seguinte erro:

02-21 15:19:28.739: E/Err(9123): XStream
02-21 15:19:28.739: E/Err(9123): com.thoughtworks.xstream.converters.ConversionException:  : Bad file number :  : Bad file number
02-21 15:19:28.739: E/Err(9123): ---- Debugging information ----
02-21 15:19:28.739: E/Err(9123): message             :  : Bad file number
02-21 15:19:28.739: E/Err(9123): cause-exception     : com.thoughtworks.xstream.io.StreamException
02-21 15:19:28.739: E/Err(9123): cause-message       :  : Bad file number
02-21 15:19:28.739: E/Err(9123): class               : java.lang.String
02-21 15:19:28.739: E/Err(9123): required-type       : java.lang.String
02-21 15:19:28.739: E/Err(9123): converter-type      : com.thoughtworks.xstream.converters.SingleValueConverterWrapper
02-21 15:19:28.739: E/Err(9123): wrapped-converter   : com.thoughtworks.xstream.converters.basic.StringConverter
02-21 15:19:28.739: E/Err(9123): path                : /sistema/listaDeCliente/cliente[856]/bairro
02-21 15:19:28.739: E/Err(9123): line number         : 19888
02-21 15:19:28.739: E/Err(9123): class[1]            : br.com.performancei.model.Cliente
02-21 15:19:28.739: E/Err(9123): converter-type[1]   : com.thoughtworks.xstream.converters.reflection.ReflectionConverter
02-21 15:19:28.739: E/Err(9123): class[2]            : java.util.ArrayList
02-21 15:19:28.739: E/Err(9123): converter-type[2]   : com.thoughtworks.xstream.converters.collections.CollectionConverter
02-21 15:19:28.739: E/Err(9123): class[3]            : br.com.performancei.model.Sistema
02-21 15:19:28.739: E/Err(9123): version             : 0.0
02-21 15:19:28.739: E/Err(9123): -------------------------------

Alguem sabe me dizer se ha incopatibilidade de versao?
No manifest da minha aplicação a versao minima é a 10.

<uses-sdk
        android:minSdkVersion="10"
        android:targetSdkVersion="15" />

Alguem ja passou por isso.

Alguém!!!

eu!

Voce ja mexeu com XML que apresentou esse problema?

Att