CAMEL-6602 fix the ClassCastException when using cxf FailoverFeature
CAMEL-6609 fixed the issue of CXF FailoverFeature does not take effect when camel-cxf producer uses async invocation
CAMEL-6609 polish the code of FailOverFeatureTest
CAMEL-6609 removed the referece of client
CAMEL-6607 fixed the issue that Tokenize XML does not support child elements with names similar to their parent