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https://issues.apache.org/jira/browse/XMLSCHEMA-26?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitry Repchevsky updated XMLSCHEMA-26:
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Attachment: NamespaceMapTest.java
NamespaceMap.java.patch
Probably some other projects may depend on NamespaceMap incorrect behavior
> NPE: NamespaceMap.getNamespaceURI() returns null
> ------------------------------------------------
>
> Key: XMLSCHEMA-26
> URL: https://issues.apache.org/jira/browse/XMLSCHEMA-26
> Project: XmlSchema
> Issue Type: Bug
> Affects Versions: 2.0.3
> Environment: Java
> Reporter: Dmitry Repchevsky
> Attachments: NamespaceMap.java.patch, NamespaceMapTest.java
>
>
> Related to the
> https://issues.apache.org/jira/browse/XMLSCHEMA-25?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
> fix.
> As mentioned in a comment:
> >NamespaceMap returns null if no prefix found while according
> >NamespaceContext it should return Constants.NULL_NS_URI.
> There are two solutions possible.
> 1. fix NamespaceMap class to do not return null as defined in
> NamespaceContext contract.
> 2. make XmlSchemaSerializer changes to check both null && "".
> Note that (1) may introduce bugs in code that uses XML Schema where null is
> incorrectly used instead of Constants.NULL_NS_URI to check whether prefix is
> bound.
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