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Posted to issues@cxf.apache.org by "Benson Margulies (JIRA)" <ji...@apache.org> on 2008/04/06 21:56:24 UTC
[jira] Resolved: (CXF-1504) AegisDataBinding throws NullPointer
with un-prefixed Namespace
[ https://issues.apache.org/jira/browse/CXF-1504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Benson Margulies resolved CXF-1504.
-----------------------------------
Resolution: Fixed
Fix Version/s: 2.1
svn 645294. This appears to be a problem with doc/lit/bare versus Aegis.
> AegisDataBinding throws NullPointer with un-prefixed Namespace
> --------------------------------------------------------------
>
> Key: CXF-1504
> URL: https://issues.apache.org/jira/browse/CXF-1504
> Project: CXF
> Issue Type: Bug
> Components: Aegis Databinding
> Affects Versions: 2.1
> Environment: Windows XP, Eclipse Europa (3.3), Java 1.6
> Reporter: Judes Tumuhairwe
> Assignee: Benson Margulies
> Fix For: 2.1
>
>
> When dealing with Complex types (i.e. non-primitives), AegisDatabinding throws a NullPointer exception [in NamespaceHelper.getPrefix() ] when I but it works perfectly fine when I use JAXB (see the "comment me to use JAXB" line in the server & client). It should default to a prefix e.g. ns0.
> First, here is the stacktrace:
> Apr 6, 2008 2:06:05 AM org.apache.cxf.service.factory.ReflectionServiceFactoryBean buildServiceFromClass
> INFO: Creating Service {http://education.toorosystems.com/}University from class com.toorosystems.education.University
> Exception in thread "main" java.lang.NullPointerException
> at org.apache.cxf.aegis.util.NamespaceHelper.getPrefix(NamespaceHelper.java:71)
> at org.apache.cxf.aegis.util.NamespaceHelper.getUniquePrefix(NamespaceHelper.java:57)
> at org.apache.cxf.aegis.type.basic.BeanType.getNameWithPrefix(BeanType.java:533)
> at org.apache.cxf.aegis.type.basic.BeanType.writeSchema(BeanType.java:483)
> at org.apache.cxf.aegis.databinding.AegisDatabinding.createSchemas(AegisDatabinding.java:477)
> at org.apache.cxf.aegis.databinding.AegisDatabinding.initialize(AegisDatabinding.java:322)
> at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.buildServiceFromClass(ReflectionServiceFactoryBean.java:343)
> at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.initializeServiceModel(ReflectionServiceFactoryBean.java:392)
> at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.create(ReflectionServiceFactoryBean.java:180)
> at org.apache.cxf.frontend.AbstractWSDLBasedEndpointFactory.createEndpoint(AbstractWSDLBasedEndpointFactory.java:79)
> at org.apache.cxf.frontend.ServerFactoryBean.create(ServerFactoryBean.java:113)
> at com.toorosystems.education.Server.main(Server.java:19)
> To reproduce:
> I had 2 beans, the interface and the implementation, the server & the client (all in the same package).
> The model:
> a) The beans:
> 1. Course [id (long), name & description; their getters and setters, + 2 constructors: (no-arg & all-arg)]
> 2. Teacher [age (int), name, department; their getters/setters, + 2 constructors (no-arg & all-arg i.e. Course(int age, String name, String dept)]
> b) The interface:
> package com.toorosystems.education;
> import javax.jws.WebService;
> import javax.jws.soap.SOAPBinding;
> import javax.jws.WebMethod;
> import javax.jws.WebResult;
> import javax.jws.WebParam;
> @WebService(name="University", targetNamespace="http://education.toorosystems.com/")
> @SOAPBinding(use=SOAPBinding.Use.LITERAL, style=SOAPBinding.Style.DOCUMENT, parameterStyle=SOAPBinding.ParameterStyle.BARE)
> public interface University {
> @WebResult(targetNamespace="http://education.toorosystems.com/", name="return", partName="return")
> @WebMethod(operationName="getTeacher", exclude=false)
> public Teacher getTeacher(@WebParam(targetNamespace="http://education.toorosystems.com/", name="course", mode=WebParam.Mode.IN)
> Course course);
> }
> c) The implementation
> package com.toorosystems.education;
> import javax.xml.ws.WebServiceClient;
> //@WebServiceClient(name="com.toorosystems.education.UniversityImpl", targetNamespace="http://education.toorosystems.com/")
> public class UniversityImpl implements University {
> public UniversityImpl() {}
> public Teacher getTeacher(Course course) {
> System.out.println("getTeacher called...");
> return new Teacher("Mr. Tom", 52, "Computer Science" + course.getName());
> }
> }
> d) The Server
> package com.toorosystems.education;
> import org.apache.cxf.aegis.databinding.AegisDatabinding;
> import org.apache.cxf.frontend.ServerFactoryBean;
> public class Server {
> public static void main(String[] args) {
> // Create our service implementation
> System.out.println("Starting server ...");
> ServerFactoryBean svrFactory = new ServerFactoryBean();
> svrFactory.setServiceClass(University.class);
> svrFactory.setAddress("http://localhost:9090/TV");
> svrFactory.setServiceBean(new UniversityImpl());
>
> // comment me to use JAXB
> svrFactory.getServiceFactory().setDataBinding(new AegisDatabinding());
>
> svrFactory.create();
> System.out.println("Server started!");
> }
> }
> e) The client
> package com.toorosystems.education;
> import org.apache.cxf.aegis.databinding.AegisDatabinding;
> import org.apache.cxf.frontend.ClientProxyFactoryBean;
> public class Client {
> public static void main(String[] args) {
> // see http://cwiki.apache.org/CXF20DOC/introduction-to-aegis-21.html
> ClientProxyFactoryBean factory = new ClientProxyFactoryBean();
> // comment me to use JAXB
> factory.getServiceFactory().setDataBinding(new AegisDatabinding());
>
> factory.setServiceClass(University.class);
> factory.setAddress("http://localhost:9090/TV");
> University client = (University) factory.create();
>
> Teacher tr = client.getTeacher(new Course(40, "Intro to CS", "Introductory Comp Sci"));
> System.out.println("Response is: " + tr.getName() + ", " + tr.getAge() + ", " + tr.getDepartment());
> }
> }
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