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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