exceptionUnmarshallers.add(new NumberItemAttributesExceededExceptionUnmarshaller());
exceptionUnmarshallers.add(new AttributeDoesNotExistExceptionUnmarshaller());
exceptionUnmarshallers.add(new MissingParameterExceptionUnmarshaller());
exceptionUnmarshallers.add(new InvalidNumberValueTestsExceptionUnmarshaller());
exceptionUnmarshallers.add(new LegacyErrorUnmarshaller());
setEndpoint("sdb.amazonaws.com");
signer = new QueryStringSigner(awsCredentials);
requestHandlers = new HandlerChainFactory().newRequestHandlerChain(