Subclass elements in web service response returned with type="fully qualified
class name" instead of xsi:type="ns:SchemaType"
-----------------------------------------------------------------------------------------------------------------------------
Key: AXIS2-4092
URL: https://issues.apache.org/jira/browse/AXIS2-4092
Project: Axis 2.0 (Axis2)
Issue Type: Bug
Components: adb
Affects Versions: 1.3
Reporter: Balaji Hari
Priority: Critical
Axis2 service returns type="com.bmc.bcan.dto.SubjectLinesDTO" instead of
xsi:type="ns1:SubjectLinesDTO" in soap response.
This causes issues when the response has elements of sub-types.
Snippet from WSDL definition:
- <xs:complexType name="RuleDTO">
- <xs:sequence>
<xs:element minOccurs="0" name="annotation" nillable="true" type="xs:string"
/>
<xs:element maxOccurs="unbounded" minOccurs="0" name="applicableTrails"
nillable="true" type="xs:int" />
<xs:element minOccurs="0" name="deviceTypeId" nillable="true" type="xs:int"
/>
...
<xs:element minOccurs="0" name="subject" nillable="true"
type="ax21:SubjectDTO" />
</xs:sequence>
</xs:complexType>
Definition of SubjectDTO (which has following sub types).
<xs:complexType name="SubjectDTO">
- <xs:sequence>
<xs:element minOccurs="0" name="caseSensitive" type="xs:boolean" />
<xs:element minOccurs="0" name="frequency" nillable="true" type="xs:int" />
<xs:element minOccurs="0" name="ignoreWhitespace" type="xs:boolean" />
<xs:element minOccurs="0" name="key" nillable="true" type="ax21:KeyDTO" />
<xs:element minOccurs="0" name="COMPONENT_CLASSNAME" nillable="true"
type="xs:string" />
</xs:sequence>
</xs:complexType>
- <xs:complexType name="SubjectCollectionDTO">
- <xs:complexContent>
- <xs:extension base="ax21:SubjectDTO">
- <xs:sequence>
<xs:element maxOccurs="unbounded" minOccurs="0" name="collection"
nillable="true" type="xs:string" />
<xs:element minOccurs="0" name="contiguous" type="xs:boolean" />
<xs:element minOccurs="0" name="ordered" type="xs:boolean" />
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
- <xs:complexType name="SubjectLinesDTO">
- <xs:complexContent>
- <xs:extension base="ax21:SubjectCollectionDTO">
<xs:sequence />
</xs:extension>
</xs:complexContent>
</xs:complexType>
Server Response :
<return type="com.bmc.bcan.dto.RuleDTO">
<ns1:annotation></ns1:annotation>
<ns1:applicableTrails
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:nil="true" />
<ns1:deviceTypeId>0</ns1:deviceTypeId>
<!-- SubType Element -->
<ns1:subject type="com.bmc.bcan.dto.SubjectLinesDTO">
<ns1:collection>set mls flow full</ns1:collection>
<ns1:collection>
set mls nde ${global.netflowDestination}
${global.netflowPort}
</ns1:collection>
<ns1:collection>
set mls nde version 5
</ns1:collection>
<ns1:collection>set mls nde enable</ns1:collection>
<ns1:collection>
set mls agingtime long 64
</ns1:collection>
<ns1:collection>
set mls agingtime fast 16 0
</ns1:collection>
<ns1:contiguous>false</ns1:contiguous>
<ns1:ordered>false</ns1:ordered>
<ns1:caseSensitive>false</ns1:caseSensitive>
<ns1:frequency>2</ns1:frequency>
<ns1:ignoreWhitespace>true</ns1:ignoreWhitespace>
<ns1:key type="com.bmc.bcan.dto.KeyDTO">
<ns1:keyString>458169663-121</ns1:keyString>
</ns1:key>
</ns1:subject>
<ns1:substitutionValidation>
true
</ns1:substitutionValidation>
<ns1:trigger
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:nil="true" />
<ns1:violationSeverity>5</ns1:violationSeverity>
</return>
The base type in RuleDTO has been defined as SubjectDTO. Since the type
attribute is not xsi:type
in the client SubjectDTO.Factory.parse() is called which can't find the
elements of sub-type
Exception in thread "main" org.apache.axis2.AxisFault:
org.apache.axis2.databinding.ADBException: Unexpected subelement collection
at org.apache.axis2.AxisFault.makeFault(AxisFault.java:430)
at
com.bmc.bcan.ws.service.RuleServiceStub.fromOM(RuleServiceStub.java:30216)
at
com.bmc.bcan.ws.service.RuleServiceStub.getRules(RuleServiceStub.java:498)
at com.bmc.bcan.ws.test.RuleServiceTest.main(RuleServiceTest.java:39)
Caused by: java.lang.Exception: org.apache.axis2.databinding.ADBException:
Unexpected subelement collection
at
com.bmc.bcan.ws.service.RuleServiceStub$SubjectDTO$Factory.parse(RuleServiceStub.java:20920)
at
com.bmc.bcan.ws.service.RuleServiceStub$RuleDTO$Factory.parse(RuleServiceStub.java:7711)
at
com.bmc.bcan.ws.service.RuleServiceStub$GetRulesResponse$Factory.parse(RuleServiceStub.java:8372)
at
com.bmc.bcan.ws.service.RuleServiceStub.fromOM(RuleServiceStub.java:30196)
... 2 more
Caused by: org.apache.axis2.databinding.ADBException: Unexpected subelement
collection
at
com.bmc.bcan.ws.service.RuleServiceStub$SubjectDTO$Factory.parse(RuleServiceStub.java:20914)
... 5 more
Is this a know issue. Any fix or axis services.xml parameter on the server side
will be helpful.
-Balaji
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