ADBException: Unexpected subelement when POJO service returns object with a 
base class in a different package
-------------------------------------------------------------------------------------------------------------

                 Key: AXIS2-4278
                 URL: https://issues.apache.org/jira/browse/AXIS2-4278
             Project: Axis 2.0 (Axis2)
          Issue Type: Bug
    Affects Versions: 1.4.1
            Reporter: Pétur Runólfsson


An Axis2 POJO web service returns an object of type Derived in package derived, 
which extends type Base in package base. When a client generated with Axis2 
wsdl2java attempts to call this service, it fails with the following exception:

     [java] org.apache.axis2.AxisFault: 
org.apache.axis2.databinding.ADBException: Unexpected subelement one
     [java]     at 
org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:194)         
         
     [java]     at org.apache.tools.ant.taskdefs.Java.run(Java.java:764)        
                            
     [java]     at 
org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:218)                   
         
     [java]     at 
org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:132)                   
         
     [java]     at org.apache.tools.ant.taskdefs.Java.execute(Java.java:105)    
                            
     [java]     at 
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)            
         
     [java]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  
                            
     [java]     at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)   
         
     [java]     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    
     [java]     at java.lang.reflect.Method.invoke(Method.java:585)             
                            
     [java]     at 
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)     
         
     [java]     at org.apache.tools.ant.Task.perform(Task.java:348)             
                            
     [java]     at org.apache.tools.ant.Target.execute(Target.java:357)         
                            
     [java]     at org.apache.tools.ant.Target.performTasks(Target.java:385)    
                            
     [java]     at 
org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)            
         
     [java]     at 
org.apache.tools.ant.Project.executeTarget(Project.java:1306)                   
         
     [java]     at 
org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
      
     [java]     at 
org.apache.tools.ant.Project.executeTargets(Project.java:1189)                  
         
     [java]     at org.apache.tools.ant.Main.runBuild(Main.java:758)            
                            
     [java]     at org.apache.tools.ant.Main.startAnt(Main.java:217)            
                            
     [java]     at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)  
                            
     [java]     at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104) 
                            
     [java] Caused by: org.apache.axis2.AxisFault: 
org.apache.axis2.databinding.ADBException: Unexpected subelement one
     [java]     at org.apache.axis2.AxisFault.makeFault(AxisFault.java:430)     
                                       
     [java]     at org.apache.ws.axis2.ServerStub.fromOM(ServerStub.java:2017)  
                                       
     [java]     at 
org.apache.ws.axis2.ServerStub.getDerived(ServerStub.java:191)                  
                    
     [java]     at Client.main(Client.java:6)                                   
                                       
     [java]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  
                                       
     [java]     at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)   
                    
     [java]     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
               
     [java]     at java.lang.reflect.Method.invoke(Method.java:585)             
                                       
     [java]     at 
org.apache.tools.ant.taskdefs.ExecuteJava.run(ExecuteJava.java:217)             
                    
     [java]     at 
org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:152)         
                    
     [java]     ... 21 more
     [java] Caused by: java.lang.Exception: 
org.apache.axis2.databinding.ADBException: Unexpected subelement one
     [java]     at 
org.apache.ws.axis2.ServerStub$Derived$Factory.parse(ServerStub.java:995)
     [java]     at 
org.apache.ws.axis2.ServerStub$GetDerivedResponse$Factory.parse(ServerStub.java:1457)
     [java]     at org.apache.ws.axis2.ServerStub.fromOM(ServerStub.java:2011)
     [java]     ... 29 more
     [java] Caused by: org.apache.axis2.databinding.ADBException: Unexpected 
subelement one
     [java]     at 
org.apache.ws.axis2.ServerStub$Derived$Factory.parse(ServerStub.java:989)
     [java]     ... 31 more

I'm not sure if the problem is on the client or server side.

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