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https://issues.apache.org/jira/browse/TUSCANY-1457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12513997
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Frank Budinsky commented on TUSCANY-1457:
-----------------------------------------
The problem is that sdoModel.xsd includes datagraph.xsd. The SchemaLocator
class in SDOXSDEcoreBuilder needs to avoid looking up the model in the package
registry if locateSchema is being called for an include. I'll attach a patch.
> Unable to code gen SDOModel.xsd
> -------------------------------
>
> Key: TUSCANY-1457
> URL: https://issues.apache.org/jira/browse/TUSCANY-1457
> Project: Tuscany
> Issue Type: Bug
> Components: Java SDO Tools
> Affects Versions: Java-SDO-M2
> Environment: n/a
> Reporter: David T. Adcox
> Fix For: Java-SDO-1.0
>
>
> When I attempt to generate the java source files representing the SDOModel, I
> am seeing a NPE thrown in SDOXSDEcoreBuilder.java. Here is the stack trace:
> java.lang.NullPointerException
> at
> org.apache.tuscany.sdo.helper.SDOXSDEcoreBuilder.lookupPrefix(SDOXSDEcoreBuilder.java:104)
> at
> org.apache.tuscany.sdo.helper.SDOXSDEcoreBuilder.getEPackage(SDOXSDEcoreBuilder.java:129)
> at
> org.apache.tuscany.sdo.helper.BaseSDOXSDEcoreBuilder.getEStructuralFeature(BaseSDOXSDEcoreBuilder.java:1413)
> at
> org.apache.tuscany.sdo.helper.BaseSDOXSDEcoreBuilder.generate(BaseSDOXSDEcoreBuilder.java:1512)
> at
> org.apache.tuscany.sdo.helper.XSDHelperImpl.define(XSDHelperImpl.java:247)
> at
> org.apache.tuscany.sdo.helper.XSDHelperImpl.define(XSDHelperImpl.java:224)
> at
> org.apache.tuscany.sdo.generate.XSD2JavaGenerator.generateFromXMLSchema(XSD2JavaGenerator.java:179)
> at
> org.apache.tuscany.sdo.generate.XSD2JavaGenerator.run(XSD2JavaGenerator.java:146)
> at
> org.apache.tuscany.sdo.generate.XSD2JavaGenerator.main(XSD2JavaGenerator.java:96)
> I've tracked the issue down to some code changes made for T-513. A change
> was made in XSDHelperImpl in the define method to change how the ResourceSet
> is constructed prior to loading the schema. Additional changes were made in
> SDOXSDEcoreBuilder to set up some options when constructing a ResourceSet.
> These combined changes seem to be precipitating the issue. The
> XSDSchemaAdapterFactoryImpl inner class contains a method
> isFactoryForType(Object) that appears to be setting up conditions such that
> more elementDeclarations than should be expected is being created, later
> leading to the NPE.
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