[ http://issues.apache.org/jira/browse/XERCESJ-682?page=all ]
Michael Glavassevich updated XERCESJ-682:
-----------------------------------------
Bugzilla Id: (was: 18405)
Fix Version: 2.8.0
Description:
Overview Description:
When defining a combination of fields that should be unique by means of the
<xsd:unique> element the defined fields are optional and don't need to be
available in the instance document. However when defining more than one field
under the <xsd:unique> element, Xerces generates an error message when one of
the fields is not present: "Not enough values specified for <unique> identity
constraint specified for element"
Steps to Reproduce:
schema.xsd
-----------
<?xml version="1.0"?>
<xsd:schema xmlns:ipm="http://unique/test";
xmlns:xsd="http://www.w3.org/2001/XMLSchema";
targetNamespace="http://unique/test";
elementFormDefault="qualified">
<xsd:element name="root">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="ipm:node" minOccurs="0"
maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
<xsd:unique name="uniqueNode">
<xsd:selector xpath="ipm:node"/>
<xsd:field xpath="@name"/>
<xsd:field xpath="ipm:module/@name"/>
</xsd:unique>
</xsd:element>
<xsd:element name="node">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="module" minOccurs="0" maxOccurs="1">
<xsd:complexType>
<xsd:attribute name="name"
type="xsd:string"/>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string"/>
</xsd:complexType>
</xsd:element>
</xsd:schema>
instance document
-----------------
<?xml version="1.0"?>
<root xmlns="http://unique/test";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://unique/test unique.xsd">
<node>
<module name="test2"/>
</node>
<node name="router">
<module name="test1"/>
</node>
</root>
Validation is done with the sax.Counter class available in xercesSamples.jar.
Usage: "java -classpath xercesSamples.jar;xercesImpl.jar;xmlParserAPIs.jar
sax.Counter -s -v unique.xml"
Actual Results:
Gives following output
[Error] unique.xml:9:8: Not enough values specified for <unique> identity
constraint specified for element "root".
Expected Results:
Should be valid
Build Date & Platform:
First encountered with XercesJ-2.0.0
Replaced the jar files with those of XercesJ-2.3.0 but still encountered the
same problem
Additional Information:
The problem only occurs when defining a combination of fields. When only one
field there seems be no problem.
was:
Overview Description:
When defining a combination of fields that should be unique by means of the
<xsd:unique> element the defined fields are optional and don't need to be
available in the instance document. However when defining more than one field
under the <xsd:unique> element, Xerces generates an error message when one of
the fields is not present: "Not enough values specified for <unique> identity
constraint specified for element"
Steps to Reproduce:
schema.xsd
-----------
<?xml version="1.0"?>
<xsd:schema xmlns:ipm="http://unique/test";
xmlns:xsd="http://www.w3.org/2001/XMLSchema";
targetNamespace="http://unique/test";
elementFormDefault="qualified">
<xsd:element name="root">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="ipm:node" minOccurs="0"
maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
<xsd:unique name="uniqueNode">
<xsd:selector xpath="ipm:node"/>
<xsd:field xpath="@name"/>
<xsd:field xpath="ipm:module/@name"/>
</xsd:unique>
</xsd:element>
<xsd:element name="node">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="module" minOccurs="0" maxOccurs="1">
<xsd:complexType>
<xsd:attribute name="name"
type="xsd:string"/>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string"/>
</xsd:complexType>
</xsd:element>
</xsd:schema>
instance document
-----------------
<?xml version="1.0"?>
<root xmlns="http://unique/test";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://unique/test unique.xsd">
<node>
<module name="test2"/>
</node>
<node name="router">
<module name="test1"/>
</node>
</root>
Validation is done with the sax.Counter class available in xercesSamples.jar.
Usage: "java -classpath xercesSamples.jar;xercesImpl.jar;xmlParserAPIs.jar
sax.Counter -s -v unique.xml"
Actual Results:
Gives following output
[Error] unique.xml:9:8: Not enough values specified for <unique> identity
constraint specified for element "root".
Expected Results:
Should be valid
Build Date & Platform:
First encountered with XercesJ-2.0.0
Replaced the jar files with those of XercesJ-2.3.0 but still encountered the
same problem
Additional Information:
The problem only occurs when defining a combination of fields. When only one
field there seems be no problem.
Environment:
Operating System: Windows NT/2K
Platform: PC
was:
Operating System: Windows NT/2K
Platform: PC
Priority: Blocker
> Comination of fields in <xsd:unique> acts as <xsd:key>
> ------------------------------------------------------
>
> Key: XERCESJ-682
> URL: http://issues.apache.org/jira/browse/XERCESJ-682
> Project: Xerces2-J
> Type: Bug
> Components: XML Schema Structures
> Versions: 2.3.0
> Environment: Operating System: Windows NT/2K
> Platform: PC
> Reporter: ismael.cams
> Assignee: Michael Glavassevich
> Priority: Blocker
> Fix For: 2.8.0
>
> Overview Description:
> When defining a combination of fields that should be unique by means of the
> <xsd:unique> element the defined fields are optional and don't need to be
> available in the instance document. However when defining more than one field
> under the <xsd:unique> element, Xerces generates an error message when one of
> the fields is not present: "Not enough values specified for <unique> identity
> constraint specified for element"
> Steps to Reproduce:
> schema.xsd
> -----------
> <?xml version="1.0"?>
> <xsd:schema xmlns:ipm="http://unique/test";
> xmlns:xsd="http://www.w3.org/2001/XMLSchema";
> targetNamespace="http://unique/test";
> elementFormDefault="qualified">
>
> <xsd:element name="root">
> <xsd:complexType>
> <xsd:sequence>
> <xsd:element ref="ipm:node" minOccurs="0"
> maxOccurs="unbounded"/>
> </xsd:sequence>
> </xsd:complexType>
> <xsd:unique name="uniqueNode">
> <xsd:selector xpath="ipm:node"/>
> <xsd:field xpath="@name"/>
> <xsd:field xpath="ipm:module/@name"/>
> </xsd:unique>
> </xsd:element>
> <xsd:element name="node">
> <xsd:complexType>
> <xsd:sequence>
> <xsd:element name="module" minOccurs="0" maxOccurs="1">
> <xsd:complexType>
> <xsd:attribute name="name"
> type="xsd:string"/>
> </xsd:complexType>
> </xsd:element>
> </xsd:sequence>
> <xsd:attribute name="name" type="xsd:string"/>
> </xsd:complexType>
> </xsd:element>
> </xsd:schema>
> instance document
> -----------------
> <?xml version="1.0"?>
> <root xmlns="http://unique/test";
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="http://unique/test unique.xsd">
>
> <node>
> <module name="test2"/>
> </node>
> <node name="router">
> <module name="test1"/>
> </node>
> </root>
> Validation is done with the sax.Counter class available in xercesSamples.jar.
> Usage: "java -classpath xercesSamples.jar;xercesImpl.jar;xmlParserAPIs.jar
> sax.Counter -s -v unique.xml"
> Actual Results:
> Gives following output
> [Error] unique.xml:9:8: Not enough values specified for <unique> identity
> constraint specified for element "root".
> Expected Results:
> Should be valid
> Build Date & Platform:
> First encountered with XercesJ-2.0.0
> Replaced the jar files with those of XercesJ-2.3.0 but still encountered the
> same problem
> Additional Information:
> The problem only occurs when defining a combination of fields. When only one
> field there seems be no problem.
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