On Wednesday 30 May 2007 01:29, dontspamterry wrote:
> Hi all,
>
> Newbie here, so please excuse if this is trivial or have been covered
> before. I've inherited some web service code which uses Spring remoting for
> XFire setup. I have an API which accepts, let's say, class A as a
> parameter. When I invoke this API with an instance of A, everything is fine
> and dandy. However, when I invoke this same API with a null value, I get
> the following exception:
>
> Caused by: javax.xml.stream.XMLStreamException: Trying to write an
> attribute when there is no open start element.
> at
> com.ctc.wstx.sw.BaseStreamWriter.throwOutputError(BaseStreamWriter.java:139
>6) at
> com.ctc.wstx.sw.SimpleNsStreamWriter.writeAttribute(SimpleNsStreamWriter.ja
>va:94) at
> org.codehaus.xfire.aegis.stax.AttributeWriter.writeValue(AttributeWriter.ja
>va:45) ... 18 more
>
> The call doesn't even reach my implementation method on the server host.
> Has anyone seen this before? I'm guessing this is a configuration(?)
> problem so if you need to see what my config files are like, I can post
> them as well. One thing I forgot to mention - the parameter of class A is a
> simple POJO where I've added the @XmlElement annotation to each attribute
> with the nillable property set to "true". I thought that setting these
> attributes to nillable would enable me to pass a null value parameter, but
> that didn't work either. Any pointers for the newbie?
I have experienced the same when passing 'null' to a 'java.util.Date'
Frank
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