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From "Christopher Leung (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CXF-6666) Permit "unknown" SOAP message header elements and attributes to prevent Unmarshalling Error: unexpected element
Date Thu, 05 Nov 2015 09:29:27 GMT
Christopher Leung created CXF-6666:
--------------------------------------

             Summary: Permit "unknown" SOAP message header elements and attributes to prevent
Unmarshalling Error: unexpected element
                 Key: CXF-6666
                 URL: https://issues.apache.org/jira/browse/CXF-6666
             Project: CXF
          Issue Type: Wish
          Components: JAXB Databinding, Soap Binding
    Affects Versions: 3.0.2
            Reporter: Christopher Leung


How does one disable the strict validation on the *SOAP message header* that causes a "{{Unmarshalling
Error: unexpected element}}" exception when unknown elements and attributes are encountered
in the unmarshalling process. (In this case _unknown_ means that elements and attributes are
present in the incoming SOAP header but do not exist in the object model.)

The flow seems to be that [ReadHeadersInterceptor|https://cxf.apache.org/javadoc/latest/org/apache/cxf/binding/soap/interceptor/ReadHeadersInterceptor.html]
creates a {{DataReader}} that creates an unmarshaller. The unmarshaller determines whether
the custom {{ValidationEventHandler}},
{{WSUIDValidationHandler}}, is set or not. {{WSUIDValidationHandler}} is ultimately responsible
for throwing the exception.

There appears to be a couple of ways at least to disable {{WSUIDValidationHandler}}. One is
to set the {{setEventHandler}} flag of {{DataReaderImpl}} to false. The other is to ensure
the {{veventHandler}} field of the same class is set to a more lenient custom {{ValidationEventHandler}}.


I cannot determine a way in which to manipulate either of these two fields in {{DataReaderImpl}}.
Is there a way to do it?



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