WSDL2Java ignores minOccurs="0" in sequence with maxOccurs="unbound"
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Key: AXIS2-4369
URL: https://issues.apache.org/jira/browse/AXIS2-4369
Project: Axis 2.0 (Axis2)
Issue Type: Bug
Components: databinding
Affects Versions: 1.5
Environment: Axis2 1.5
Java 1.6.0_05
NetBeans 6.1 (Build 2008053000101)
Windows Vista SP1
Reporter: Marc Gosselin
This issue is close (yet different I believe) to AXIS2-4319, AXIS-4177, and
AXIS2-2391.
WSDL2Java (and the code it uses) generates a stub code which throws an
ADBException "Unexpected subelement" if a value defined in a WSDL with
minOccurs="0" and maxOccurs="unbound" is missing in the SOAP reply received.
This does not happen if maxOccurs is not defined.
For instance, the following partial WSDL definition:
<xs:complexType name="Address">
<xs:sequence>
<xs:element name="Descriptions" type="ns:Description" minOccurs="0 "
maxOccurs="unbounded"></xs:element>
<xs:element name="Remarks" type="xs:string" minOccurs="0"></xs:element>
</xs:sequence>
</xs:complexType>
will lead WSDL2Java to generate the following [truncatded] code:
while (!reader.isStartElement() && !reader.isEndElement()) reader.next();
if (reader.isStartElement() && new
javax.xml.namespace.QName("http://XXXREMOVEDXXX","Descriptions";).equals(reader.getName())){
// Process the array and step past its final element's end.
list1.add(Description.Factory.parse(reader));
//loop until we find a start element that is not part of this array
boolean loopDone1 = false;
while(!loopDone1){
// We should be at the end element, but make sure
while (!reader.isEndElement())
reader.next();
// Step out of this element
reader.next();
// Step to next element event.
while (!reader.isStartElement() && !reader.isEndElement())
reader.next();
if (reader.isEndElement()){
//two continuous end elements means we are exiting the xml structure
loopDone1 = true;
} else {
if (new
javax.xml.namespace.QName("http://XXXREMOVEDXXX","Descriptions";).equals(reader.getName())){
list1.add(IvrLocationDescription.Factory.parse(reader));
}else{
loopDone1 = true;
}
}
}
// call the converter utility to convert and set the array
object.setDescriptions((Description[])org.apache.axis2.databinding.utils.ConverterUtil.convertToArray(Description.class,
list1));
} // End of if for expected property start element
else{
// A start element we are not expecting indicates an invalid parameter was
passed
throw new org.apache.axis2.databinding.ADBException("Unexpected subelement "
+ reader.getLocalName());
// !!!!! THE PREVIOUS LINE SHOULD NOT BE PRESENT - THIS IS THE SOURCE OF THE
PROBLEM !!!
}
while (!reader.isStartElement() && !reader.isEndElement()) reader.next();
if (reader.isStartElement() && new
javax.xml.namespace.QName("http://XXXREMOVEDXXX","Remarks";).equals(reader.getName())){
java.lang.String content = reader.getElementText();
object.setRemarks(org.apache.axis2.databinding.utils.ConverterUtil.convertToString(content));
reader.next();
} // End of if for expected property start element
else {
/// !!! THIS IS CORRECT - NO EXCEPTION SHOULD BE THROWN IF THIS OPTIONAL
VALUE IS MISSING !!!
}
I've marked in the code above (with exclamation marks "!!!") the incorrect
throw statement added by WSDL2Java. Such statement is not present if maxOccurs
is not defined, which is correct (2nd part of the code).
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