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https://issues.apache.org/jira/browse/AXIS2-3262?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Amila Chinthaka Suriarachchi resolved AXIS2-3262.
-------------------------------------------------
Resolution: Fixed
Not capturing the proper exception at the client side is a problem with
RPCMessageReceiver and has been fixed with the current axis2 trunk.
As I have explained stub code is generated using the wsdl and if there are
element name as with the fault element names we need to change the class names
to avoid compilation issues.
> WSDL2Java generates incorrect Exception stubs
> ---------------------------------------------
>
> Key: AXIS2-3262
> URL: https://issues.apache.org/jira/browse/AXIS2-3262
> Project: Axis2
> Issue Type: Bug
> Components: codegen
> Affects Versions: 1.3
> Reporter: Oleg Efimov
> Assignee: Amila Chinthaka Suriarachchi
> Priority: Critical
>
> I'm going to show simple example of the problem.
> First, I create a test service:
> --------------------------------------------------------------
> test.axis.SoapService
> package test.axis;
> public class SoapService {
> public void test() throws RemoteException {
> }
> }
> ---------------------------------------------------------------
> test.axis.RemoteException
> package test.axis;
> public class RemoteException extends Exception{
> public RemoteException() {
> }
> public RemoteException(Throwable cause) {
> super(cause);
> }
> public RemoteException(String message) {
> super(message);
> }
> public RemoteException(String message, Throwable cause) {
> super(message, cause);
> }
> }
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------
> I deploy it on tomcat5.5 on context /axis, web.xml is:
> ---------------------------------------------------------------- web.xml
> <?xml version="1.0" encoding="UTF-8"?>
> <web-app xmlns="http://java.sun.com/xml/ns/j2ee";
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
> http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd";
> version="2.4">
> <servlet>
> <servlet-name>Axis2Servlet</servlet-name>
>
> <servlet-class>org.apache.axis2.transport.http.AxisServlet</servlet-class>
> </servlet>
> <servlet-mapping>
> <servlet-name>Axis2Servlet</servlet-name>
> <url-pattern>/axis2/*</url-pattern>
> </servlet-mapping>
> </web-app>
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------
> Service description:
> ----------------------------------------------------------------- services.xml
> <service name="soapservice" scope="application">
> <messageReceivers>
> <messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-only";
>
> class="org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver"/>
> <messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-out";
>
> class="org.apache.axis2.rpc.receivers.RPCMessageReceiver"/>
> </messageReceivers>
> <parameter name="ServiceClass">test.axis.SoapService</parameter>
> </service>
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------
> I use default axis2.xml with only one change:
> ------------------------------------------------------------------------
> change in axis2.xml
> <parameter name="servicePath">axis2</parameter>
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------
> WSDL, generated by ?wsdl request, is:
> ------------------------------------------------------------------------ wsdl
> <?xml version="1.0" encoding="UTF-8"?>
> <wsdl:definitions xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/";
> xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/";
> xmlns:ns0="http://axis.test/xsd";
> xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/";
> xmlns:http="http://schemas.xmlsoap.org/wsdl/http/";
> xmlns:ns1="http://axis.test";
> xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl";
> xmlns:xs="http://www.w3.org/2001/XMLSchema";
> xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/";
> targetNamespace="http://axis.test";>
> <wsdl:documentation>soapservice</wsdl:documentation>
> <wsdl:types>
> <xs:schema xmlns:ax21="http://axis.test/xsd";
> attributeFormDefault="qualified" elementFormDefault="qualified"
> targetNamespace="http://axis.test/xsd";>
> <xs:complexType name="RemoteException">
> <xs:complexContent>
> <xs:extension base="ns1:Exception">
> <xs:sequence/>
> </xs:extension>
> </xs:complexContent>
> </xs:complexType>
> </xs:schema>
> <xs:schema xmlns:ns="http://axis.test";
> attributeFormDefault="qualified" elementFormDefault="qualified"
> targetNamespace="http://axis.test";>
> <xs:complexType name="Exception">
> <xs:sequence>
> <xs:element minOccurs="0" name="Exception" nillable="true"
> type="xs:anyType"/>
> </xs:sequence>
> </xs:complexType>
> <xs:element name="RemoteException">
> <xs:complexType>
> <xs:sequence>
> <xs:element minOccurs="0" name="RemoteException"
> nillable="true" type="ns0:RemoteException"/>
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> </xs:schema>
> </wsdl:types>
> <wsdl:message name="testRequest"/>
> <wsdl:message name="testResponse"/>
> <wsdl:message name="RemoteException">
> <wsdl:part name="parameters" element="ns1:RemoteException"/>
> </wsdl:message>
> <wsdl:portType name="soapservicePortType">
> <wsdl:operation name="test">
> <wsdl:input message="ns1:testRequest" wsaw:Action="urn:test"/>
> <wsdl:output message="ns1:testResponse"
> wsaw:Action="urn:testResponse"/>
> <wsdl:fault message="ns1:RemoteException" name="RemoteException"
> wsaw:Action="urn:testRemoteException"/>
> </wsdl:operation>
> </wsdl:portType>
> <wsdl:binding name="soapserviceSOAP11Binding"
> type="ns1:soapservicePortType">
> <soap:binding transport="http://schemas.xmlsoap.org/soap/http";
> style="document"/>
> <wsdl:operation name="test">
> <soap:operation soapAction="urn:test" style="document"/>
> <wsdl:input>
> <soap:body use="literal"/>
> </wsdl:input>
> <wsdl:output>
> <soap:body use="literal"/>
> </wsdl:output>
> <wsdl:fault name="RemoteException">
> <soap:fault use="literal" name="RemoteException"/>
> </wsdl:fault>
> </wsdl:operation>
> </wsdl:binding>
> <wsdl:binding name="soapserviceSOAP12Binding"
> type="ns1:soapservicePortType">
> <soap12:binding transport="http://schemas.xmlsoap.org/soap/http";
> style="document"/>
> <wsdl:operation name="test">
> <soap12:operation soapAction="urn:test" style="document"/>
> <wsdl:input>
> <soap12:body use="literal"/>
> </wsdl:input>
> <wsdl:output>
> <soap12:body use="literal"/>
> </wsdl:output>
> <wsdl:fault name="RemoteException">
> <soap12:fault use="literal" name="RemoteException"/>
> </wsdl:fault>
> </wsdl:operation>
> </wsdl:binding>
> <wsdl:binding name="soapserviceHttpBinding"
> type="ns1:soapservicePortType">
> <http:binding verb="POST"/>
> <wsdl:operation name="test">
> <http:operation location="soapservice/test"/>
> <wsdl:input>
> <mime:content type="text/xml" part="test"/>
> </wsdl:input>
> </wsdl:operation>
> </wsdl:binding>
> <wsdl:service name="soapservice">
> <wsdl:port name="soapserviceSOAP11port_http"
> binding="ns1:soapserviceSOAP11Binding">
> <soap:address
> location="http://localhost:8081/axis/axis2/soapservice"/>
> </wsdl:port>
> <wsdl:port name="soapserviceSOAP12port_http"
> binding="ns1:soapserviceSOAP12Binding">
> <soap12:address
> location="http://localhost:8081/axis/axis2/soapservice"/>
> </wsdl:port>
> <wsdl:port name="soapserviceHttpport"
> binding="ns1:soapserviceHttpBinding">
> <http:address
> location="http://localhost:8081/axis/axis2/soapservice"/>
> </wsdl:port>
> </wsdl:service>
> </wsdl:definitions>
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------
> Then I use wsdl2java task to create client stubs:
> -------------------------------------------------------------------------
> build.xml
> <?xml version="1.0" encoding="UTF-8"?>
> <project name="testaxis2" basedir=".">
> <path id="build.classpath">
> <fileset dir="C:/axis2lib" includes="*.jar"/>
> </path>
> <macrodef name="wsdl2java">
> <attribute name="url"/>
> <attribute name="targetdir"/>
> <attribute name="package"/>
> <sequential>
> <java classname="org.apache.axis2.wsdl.WSDL2Java" fork="yes"
> classpathref="build.classpath">
> <arg value="-or"/>
> <arg value="-u"/>
> <arg value="-uw"/>
> <arg value="-sp"/>
> <arg value="-p"/>
> <arg value="@{package}"/>
> <arg value="-o"/>
> <arg value="@{targetdir}"/>
> <arg value="-uri"/>
> <arg value="@{url}"/>
> </java>
> </sequential>
> </macrodef>
> <target name="test-wsdl">
> <wsdl2java targetdir="c:/testaxis"
> url="http://localhost:8081/axis/axis2/soapservice?wsdl";
> package="test.axis.stub"/>
> </target>
> </project>
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------
> This task generates the following file tree inside testaxis/src/test/axis
> folder:
> ----------------------------------------------------------
> /stub
> RemoteExceptionException0.java
> Soapservice.java
> SoapserviceCallbackHandler.java
> SoapserviceStub.java
> /xsd
> ExtensionMapper.java
> RemoteException.java
> Exception.java
> RemoteException0.java
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------
> So, we've got plenty of exception classes here. To briefly describe their
> relations in UML-like style, I can say:
> test.axis.stub.RemoteExceptionException0 HAS test.axis.RemoteException0 IS
> java.lang.Exception
> test.axis.RemoteException0 HAS test.axis.xsd.RemoteException
> test.axis.xsd.RemoteException IS test.axis.Exception
> Stub method test() is reported to throw
> test.axis.stub.RemoteExceptionException0, which is simply
> java.lang.Exception, not an AxisFault, so really in case of RemoteException
> on server I'll get just AxisFault with message preserved, not any specific
> RemoteException I've wanted.
> I believe, only one exception stub should be generated, called
> RemoteException, and it should subclass AxisFault.
> PS Damn, I really hope someone will read it :)
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