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Specific failure in XSDEcoreBuilder [message #576731] Wed, 03 September 2003 08:53
Eclipse User
Originally posted by: ihc.sas-glas.mottmac.com

Specific failure in XSDEcoreBuilder

We’ve been using XSDEcoreBuilder on a trivial schema and now are turning
to some more realistic schemas. However, it choked on a particular
construct, which I have now isolated. The schema

<?xml version = "1.0" encoding = "UTF-8"?>
<xsd:schema xmlns:xsd = "http://www.w3.org/2001/XMLSchema">

<xsd:complexType name = "ServiceCategory">
<xsd:simpleContent>
<xsd:extension base = "xsd:boolean"/>
</xsd:simpleContent>
</xsd:complexType>

<xsd:element name = "DialARide">
<xsd:complexType>
<xsd:complexContent>
<xsd:extension base = "ServiceCategory"/>
</xsd:complexContent>
</xsd:complexType>
</xsd:element>

</xsd:schema>

produces a null pointer exception during XSDEcoreBuilder.generate(), when
it gets to XSDConstants.isAnyType() – which is called with a null argument
which is then used as if it is a valid object.

It doesn’t seem to matter what is inside the simple content of the base
type (ServiceCategory) we always get the same failure. If however the same
kind of simple extension construct is used directly within an element
rather than as a reference to a separate type, it works OK.

However, I don’t have control of the schemas so I have no workaround.

stack trace:

java.lang.NullPointerException
at org.eclipse.xsd.util.XSDConstants.isAnyType(XSDConstants.jav a:1532)
at
org.eclipse.xsd.ecore.XSDEcoreBuilder.getEClassifier(XSDEcor eBuilder.java:324)
at
org.eclipse.xsd.ecore.XSDEcoreBuilder.getEClassifier(XSDEcor eBuilder.java:360)
at
org.eclipse.xsd.ecore.XSDEcoreBuilder.getEClassifier(XSDEcor eBuilder.java:727)
at
org.eclipse.xsd.ecore.XSDEcoreBuilder.generate(XSDEcoreBuild er.java:902)

Hope someone can help.

Ian Cornwell
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