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From "Michael Pollmeier (JIRA)" <j...@apache.org>
Subject [jira] Created: (AXIS2-2995) Codegen bug with different namespaces (including proposed fix)
Date Sat, 21 Jul 2007 11:31:07 GMT
Codegen bug with different namespaces (including proposed fix)
--------------------------------------------------------------

                 Key: AXIS2-2995
                 URL: https://issues.apache.org/jira/browse/AXIS2-2995
             Project: Axis 2.0 (Axis2)
          Issue Type: Bug
          Components: codegen
    Affects Versions: 1.2
         Environment: I already changed the JAXB RI jars to 2.1.3, but this isn't the problem
            Reporter: Michael Pollmeier


Axis codegen has a problem when there are objects with the same name in different namespaces.
I will upload a sample wsdl. If you use wsdl2java to create a service like this: wsdl2java
-uri EVBService-2.0.1.0.wsdl -ss -sd -d jaxbri -o service
you will get an exception on console: 

Exception in thread "main" org.apache.axis2.wsdl.codegen.CodeGenerationException: java.lang.RuntimeException:
java.lang.
reflect.InvocationTargetException
        at org.apache.axis2.wsdl.codegen.CodeGenerationEngine.generate(CodeGenerationEngine.java:256)
        at org.apache.axis2.wsdl.WSDL2Code.main(WSDL2Code.java:32)
        at org.apache.axis2.wsdl.WSDL2Java.main(WSDL2Java.java:21)
Caused by: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
        at org.apache.axis2.wsdl.codegen.extension.JAXBRIExtension.engage(JAXBRIExtension.java:109)
        at org.apache.axis2.wsdl.codegen.CodeGenerationEngine.generate(CodeGenerationEngine.java:209)
        ... 2 more
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.axis2.wsdl.codegen.extension.JAXBRIExtension.engage(JAXBRIExtension.java:98)
        ... 3 more
Caused by: java.lang.RuntimeException: java.lang.NullPointerException
        at org.apache.axis2.jaxbri.CodeGenerationUtility.processSchemas(CodeGenerationUtility.java:126)
        ... 8 more
Caused by: java.lang.NullPointerException
        at org.apache.axis2.jaxbri.CodeGenerationUtility.processSchemas(CodeGenerationUtility.java:105)
        ... 8 more


... which seems to be an "optimizable" design, because you do not see the real exception.
When I debugged the code I got the real exception: 
>>>>>>>
org.xml.sax.SAXParseException: A class/interface with the same name "net.bipro.www.namespace.evb.CTStatusResponse"
is already in use. Use a class customization to resolve this conflict.
<<<<<<<<<<<<<
I saw that JAXBs XJC compiler does not have any problems with our schema, so there had to
be a difference of parameters between xjc batch and axis2 codegen. So I found out that if
you comment out the statement "sc.setDefaultPackageName(pkg);" in CodeGenerationUtility:processSchemas(),
everything is generated just fine!

This might have some side effects, so someone who really knows what happens down the code
should have a look at this. Maybe a solution would be to have another command line parameter
for wsdl2java to not set the default package.


There is another, smaller problem which occurs when you use my bugfix:  when the code is generated,
the message receiver class cannot be compiled because of an obviously wrong code: the method
toOM() needs three parameters, but only two are submitted: toOM(e.getFaultMessage(),false));
If you change it to toOM(e.getFaultMessage(), getSOAPFactory(msgContext), false), everything
can be compiled and works.

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