> Hi,
> I have a binding that is meant to unmarshal optional elements. I'am
> getting an error while unmarshalling an optional element that is coming in
> empty.
> I am using JIBX version 1.15.
> I have been struggling with this issue for sometime. I would really
> appreciate any help.
>
> My binding file
> <?xml version="1.0"?>
> <binding track-source="true"
> direction="input" >
> <mapping name="person" class="jibxtest.Person"
> flexible="true" ordered="false">
> <value name="name" field="name"/>
> <structure name="residential" flexible="true"
> ordered="false" >
> <structure name="address" field="address"
> usage="optional" ordered="false"
> flexible="true" />
> <value field="email" name="email" usage="optional"/>
> </structure>
> </mapping>
> <mapping abstract="true" class="jibxtest.Address" flexible="true"
> ordered="false">
> <value field="street" name="street" usage="optional" />
> <value field="zip" name="zip" usage="optional" />
> <value field="city" name="city" usage="optional" />
> </mapping>
> </binding>
>
> Although I have address as an optional element, I'am getting an error
> saying.
>
> org.jibx.runtime.JiBXException: Missing required element "(unknown
> name, position 0 in binding structure)"(line 4, col 21)
> [java] at
> org.jibx.runtime.impl.UnmarshallingContext.throwNameException(Unmarshallin
> gContext.java:315)
> [java] at jibxtest.Address.JiBX_binding_unmarshal_1_1(Address.java)
> [java] at jibxtest.Person.JiBX_binding_unmarshal_1_1(Person.java)
> [java] at jibxtest.JiBX_bindingPerson_access1.unmarshal()
> [java] at
> org.jibx.runtime.impl.UnmarshallingContext.unmarshalElement(UnmarshallingC
> ontext.java:2537)
> [java] at
> org.jibx.runtime.impl.UnmarshallingContext.unmarshalDocument(Unmarshalling
> Context.java:2694)
> [java] at jibxtest.JiBXTest.main(JiBXTest.java:23)
>
> My input XML is
> <person>
> <name>John</name>
> <residential>
> <address></address>
> <email></email>
> </residential>
> </person>
>
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