Hello,

I am using axis2 wsdl2java to generate an XML Beans binding client from a customers WSDL schema. This mostly seems to be working fine; the request I am testing returns the correct response and I can navigate most of the returned structure using the java object model. However my tests revealed that invoking one of the 'getter methods' causes a 'java.lang.IncompatibleClassChangeError' error, whilst others are fine:


java.lang.IncompatibleClassChangeError: Implementing class
   at java.lang.ClassLoader.defineClass1(Native Method)
   at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
   at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
   at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
   at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
   at java.security.AccessController.doPrivileged(Native Method)
   at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
   at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
   at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
   at java.lang.ClassLoader.defineClass1(Native Method)
   at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
   at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
   at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
   at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
   at java.security.AccessController.doPrivileged(Native Method)
   at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
   at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
   at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
   at java.lang.Class.forName0(Native Method)
   at java.lang.Class.forName(Class.java:242)
at org.apache.xmlbeans.impl.schema.SchemaTypeImpl.getJavaImplClass(SchemaTypeImpl.java:1709) at org.apache.xmlbeans.impl.schema.SchemaTypeImpl.getJavaImplConstructor(SchemaTypeImpl.java:1725) at org.apache.xmlbeans.impl.schema.SchemaTypeImpl.createUnattachedNode(SchemaTypeImpl.java:1853) at org.apache.xmlbeans.impl.schema.SchemaTypeImpl.createElementType(SchemaTypeImpl.java:1021) at org.apache.xmlbeans.impl.values.XmlObjectBase.create_element_user(XmlObjectBase.java:893)
   at org.apache.xmlbeans.impl.store.Xobj.getUser(Xobj.java:1657)
   at org.apache.xmlbeans.impl.store.Xobj.find_element_user(Xobj.java:2062)
at com.travel.core.response.impl.ResponseHeaderImpl.getTrackingInfo(Unknown Source) at com.travel.client.travelapp.CoreAssertions.checkTripsResponseHeader(CoreAssertions.java:83)


So in other words; I can programatically access all of the objects in the following unmarshall XML except for 'getTrackingInfo()' which cause the exception above.


<header xsi:type="ns3:ResponseHeader" xmlns="http://XXXXX"; xmlns:ns3="http://response.core.fab.xmltravel.com";>
   <localisation xmlns="http://XXXXX";>
     <language>en</language>
   </localisation>
   <target xmlns="http://XXXXX";>TEST</target>
   <timingInfo xmlns="http://XXXXX";>
     <millisSpentIn>4643</millisSpentIn>
<requestReceivedTimestamp>2008-12-10T17:01:37.382Z</requestReceivedTimestamp> <responseSentTimestamp>2008-12-10T17:01:42.025Z</responseSentTimestamp>
   </timingInfo>
   <trackingInfo xmlns="http://XXXXX";>
     <requestId>yi3VWLhA_Hel9iHUYp_Db4xF</requestId>
   </trackingInfo>
   <userInfo xsi:type="UserInfo" xmlns="http://XXXXX";>
     <agent>XXXXX</agent>
     <username>XXXXX</username>
   </userInfo>
 </header>


I have searched the forum for the exception but they don't seem relevant. I am new to these tools. Under what situations can a single element fail in such a way and how to fix it? Hoping some can help.


Thank you for your time.


Tim




--
Timothy R J Langford - MEng. (Hons)
Senior Software Engineer Multicom Products Ltd.

Tel: +44 (0)117 9081250

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