Wrong WSDL for sequences in Corba IDL structs
---------------------------------------------
Key: AXIS2-3856
URL: https://issues.apache.org/jira/browse/AXIS2-3856
Project: Axis 2.0 (Axis2)
Issue Type: Bug
Components: modules
Reporter: Jürgen Weber
Priority: Blocker
For some sequences containing structs and/or structs containing sequences there
is a wrong WSDL generated (at least the generated Axis2 Java Stubs produce an
XML that results in a wrong Corba call). At runtime this results in the Orb
complaining about NULL elements being marshalled.
To reproduce: Take the sample from http://wso2.org/library/2807 and include
these IDL definitions:
struct B {
string s;
};
struct A {
sequence<B> Bseq;
string x;
};
typedef sequence<A> Aseq;
interface MyCorbaService
{
void testSeq(in Aseq pAs);
this results in the WSDL snipped below. The representation for string x should
be outside of the xs:sequence.
<xs:element name="testSeq">
<xs:complexType>
<xs:sequence>
<xs:element name="pAs" nillable="true" type="ns:Aseq"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="Aseq" type="ns:Aseq"/>
<xs:complexType name="Aseq">
<xs:sequence>
<xs:element maxOccurs="unbounded" minOccurs="0" name="item"
nillable="true" type="ns:A"/>
</xs:sequence>
</xs:complexType>
<xs:element name="A" type="ns:A"/>
<xs:complexType name="A">
<xs:sequence>
<xs:element maxOccurs="unbounded" minOccurs="0" name="Bseq"
nillable="true" type="ns:B"/>
<xs:element name="x" nillable="true" type="xs:string"/>
</xs:sequence>
</xs:complexType>
<xs:element name="B" type="ns:B"/>
<xs:complexType name="B">
<xs:sequence>
<xs:element name="s" nillable="true" type="xs:string"/>
</xs:sequence>
</xs:complexType>
For this Test Client Code:
MycorbaserverStub.TestSeq ts = new MycorbaserverStub.TestSeq();
MycorbaserverStub.B b = new MycorbaserverStub.B();
b.setS("hello");
MycorbaserverStub.A a = new MycorbaserverStub.A();
a.addBseq(b);
a.setX("x");
MycorbaserverStub.Aseq as = new MycorbaserverStub.Aseq();
as.addItem(a);
ts.setPAs(as);
stub.testSeq(ts);
Using JacORB you see
[INFO] org.omg.CORBA.MARSHAL: Cannot marshall null string. vmcid: 0x0 minor
code: 0 completed: No
The XML on the wire is
<?xml version='1.0' encoding='UTF-8'?>
<soapenv:Envelope xmlns:soapenv="http://www.w3.org/2003/05/soap-envelope";>
<soapenv:Body>
<ns1:testSeq xmlns:ns1="http://corba2ws/xsd";>
<ns1:pAs>
<ns1:item>
<ns1:Bseq>
<ns1:s>hello</ns1:s>
</ns1:Bseq>
<ns1:x>x</ns1:x>
</ns1:item>
</ns1:pAs>
</ns1:testSeq>
</soapenv:Body>
</soapenv:Envelope>
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