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https://issues.apache.org/jira/browse/TUSCANY-1137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12475537
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Scott Kurz commented on TUSCANY-1137:
-------------------------------------

So in the above example if Service.wsdl imports PortType.wsdl, we hit the 
problem I mentioned when I run Tuscany WSDL2Java against Service.wsdl.    BTW, 
when running a version of wsimport against the same I have no problem.

> WSDL2Java tool should be able to handle imports of other WSDL files into the 
> original WSDL
> ------------------------------------------------------------------------------------------
>
>                 Key: TUSCANY-1137
>                 URL: https://issues.apache.org/jira/browse/TUSCANY-1137
>             Project: Tuscany
>          Issue Type: Bug
>          Components: Java SCA Tools
>    Affects Versions: Java-M2
>            Reporter: Scott Kurz
>            Priority: Minor
>             Fix For: Java-SCA-M3
>
>         Attachments: PortType.wsdl, Service.wsdl
>
>
> If I, for example, define my portType in one WSDL and then import that into 
> another WSDL where I define my Service/Port, I will have problems, like the 
> following when running WSDL2Java against the latter WSDL:
> Caused by: java.lang.NullPointerException
>         at 
> org.apache.tuscany.tools.wsdl2java.generate.JavaInterfaceEmitter.isWrapped(JavaInterfaceEmitter.java:136)
>         at 
> org.apache.tuscany.tools.wsdl2java.generate.JavaInterfaceEmitter.getInputElement(JavaInterfaceEmitter.java:171)
>         at 
> org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter.generateMethodElement(AxisServiceBasedMultiLanguageEmitter.java:1926)
>         at 
> org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter.loadOperations(AxisServiceBasedMultiLanguageEmitter.java:1841)
>         at 
> org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter.createDOMDocumentForInterface(AxisServiceBasedMultiLanguageEmitter.java:993)
>         at 
> org.apache.tuscany.tools.wsdl2java.generate.JavaInterfaceEmitter.writeInterface(JavaInterfaceEmitter.java:196)
>         at 
> org.apache.tuscany.tools.wsdl2java.generate.JavaInterfaceGenerator.generate(JavaInterfaceGenerator.java:200)
> I believe a key to the problem is the line in 
> WSDL2JavaGenerator.generateFromWSDL():
>     xsdHelper.define(inputStream, inputFile.toURI().toString());
> Though this method is called the EMF 'packageRegistry' field is essentially 
> empty.   I assume this is because XSDHelper.define(...)  will not handle a 
> WSDL import.    (It does seem to be handling an XSD schema import, however).  
>   I don't know enough of the SDO APIs to suggest a better method than the 
> xsdHelper.define(..) we're invoking, however.
> I'll attach an example

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