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From Aki Yoshida <>
Subject Re: Jaxws's provider's null response behavior
Date Thu, 24 Nov 2011 20:09:43 GMT
2011/11/21 Daniel Kulp <>:
> This all sounds OK to me.   However, once it's in place on trunk, please ping
> me to let me know and I'll run the TCK against it.   Modifications that affect
> the JAX-WS behavior generally scare me and I like to verify with the TCK if
> possible.  :-)

Hi Dan,
Okay. The code is in trunk. Setting the runtime property
"jaxws.provider.interpretNullAsOneway" to Boolean.TRUE will activate
this behavior (please take a look at the test cases).  I picked this
property name because Axis2 was using it for the same purpose. I don't
know if we should be using another prop name under org.apache.cxf or
something outside of jaxws something, as this is not a standard jaxws
property. On the other hand, I thought it would be easier for the
users to remember the same property name which is already used in

Regarding BP's relative path parsing, I think I am still having this
problem with the current 0.4.1-SNAPSHOT. I  see your one line fix
there and the systemId is correctly passed to the StreamSource. So,
it's strange. When I apply the same one line fix to 0.3.1 version, it
is working fine. I think I have to look into it deeper tomorrow. Do
you have some idea?

regards, aki

> Dan
> On Monday, November 21, 2011 6:09:03 PM Aki Yoshida wrote:
>> Hi,
>> as I briefly mentioned this in today's IRC, I created a ticket
>> CXF-3926 to fix or improve the current behavior.
>> jaxws 2.2 section 5.1.1 states:
>> "When an invoke method returns null, it is considered that no response
>> needs to be sent by service."
>> CXF currently does not support this dynamic behavior but relies on the
>> exchange's MEP information (req-resp or oneway) to decide whether to
>> send no response. And the problem is that CXF is throwing an exception
>> when a null is returned while the MEP is not set as oneway, as it
>> tries to serialize the null object in its response/outbound
>> processing.
>> I am intending to introduce this dynamic behavior by slightly
>> modifying JAXWSMethodInvoker's invoke method to switch to oneway in
>> this case and set the correct response code. In addition, I am
>> providing a new runtime property for jaxws to enable or disable this
>> behavior.
>> Please let me know if you have objections or alternative approaches.
>> Thanks.
>> regards, aki
> --
> Daniel Kulp
> -
> Talend Community Coder -

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