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https://issues.apache.org/activemq/browse/AMQ-929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James Strachan resolved AMQ-929.
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Resolution: Fixed
Fix Version/s: 5.0.0
Great thanks for the heads up Bertrand; looks like 5.0.0 should be good from an
XSD perspective
> Invalid XSD (according to XML Spy)
> ----------------------------------
>
> Key: AMQ-929
> URL: https://issues.apache.org/activemq/browse/AMQ-929
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 4.1.0
> Environment: N/A
> Reporter: Stephen Cresswell
> Priority: Minor
> Fix For: 5.0.0
>
> Attachments: activemq.xsd
>
>
> XmlSpy reports
> http://people.apache.org/repository/org.apache.activemq/xsds/activemq-core-4.1-incubator-SNAPSHOT.xsd
> is invalid with the following message:
> <xs:element ref='tns:topic'> makes the content model non-deterministic.
> Possible causes: name equality, overlapping occurance or substitution groups.
> It's complaining because it has no way to validate whether it should validate
> against tns:topic/tns:queue or the xs:any for the following element
> <xs:element name='destination' minOccurs='0' maxOccurs='1'>
> <xs:complexType>
> <xs:choice minOccurs='0' maxOccurs='1'>
> <xs:element ref='tns:queue'/>
> <xs:element ref='tns:topic'/>
> <xs:any/>
> </xs:choice>
> </xs:complexType>
> </xs:element>
> Possible fix adapted from
> http://www.thescripts.com/forum/threadedpost1605613.html:
> <xs:element name="destination" minOccurs="0" maxOccurs="1">
> <xs:complexType>
> <xs:choice minOccurs="0" maxOccurs="1">
> <xs:element name="extensions">
> <xs:sequence maxOccurs="1">
> <xs:any/>
> </xs:sequence>
> </xs:element>
> <xs:element ref="tns:queue"/>
> <xs:element ref="tns:topic"/>
> </xs:choice>
> </xs:complexType>
> </xs:element>
> But I suspect difficult to fix as the XSD is autogenerated + you'll lose
> backwards compatability with previous documents. The problem occurs
> repeatedly throughout the schema.
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