FW: problem with using the "|" in the field element under the key element

[Bill Riegel]

From a thread on [EMAIL PROTECTED] ,   I am having problems parsing the instance below. I am using a "|" in the field element of the key named kActivity in the Referenced XML Schema file ( included ).     My last email on the xml-dev email list.     It seems from the discussion that you can have the Pipe, "|" in the field xpath. So why does Xerces fails when parsing this student3.xml   Xerces fails when parsing the student3.xml SEVERE: java.lang.RuntimeException: org.xml.sax.SAXParseException: Identity Constraint error (cvc-identity-constraint.4.2.1):  element "studentActivities" has a key with no value.     My guess is that it only sees the act:name in the field definition       <field xpath="act:name|act:desc"/>   Note: If I have only name elements under activity. Xerces is happy.   So what is wrong ?     Schema <?xml version="1.0" encoding="UTF-8"?> <schema targetNamespace="http://www.exampleU.com/activity" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:act="http://www.exampleU.com/activity" elementFormDefault="qualified">   <element name="studentActivity">     <complexType>       <sequence>         <element name="studentID" type="normalizedString"/>         <element name="activity" type="normalizedString"/>         <!--<element name="studentID" type="IDREF"/> -->       </sequence>     </complexType>   </element>   <element name="activity">     <complexType>       <sequence>         <choice>           <element name="name" type="normalizedString"/>           <element name="desc" type="normalizedString"/>         </choice>         <element name="fee" type="decimal"/>       </sequence>     </complexType>   </element>   <element name="studentActivities">     <complexType>       <sequence>         <element ref="act:studentActivity" maxOccurs="unbounded"/>         <element name="activities">           <complexType>             <sequence>               <element ref="act:activity" maxOccurs="unbounded"/>             </sequence>           </complexType>         </element>       </sequence>     </complexType>         <keyref name="krActivity" refer="act:kActivity">       <selector xpath="act:studentActivity"/>       <field xpath="act:activity"/>     </keyref>         <key name="kActivity">       <selector xpath="act:activities/act:activity"/>       <field xpath="act:name|act:desc"/>     </key>   </element> </schema>   instance <?xml version="1.0" encoding="UTF-8"?> <!-- edited with XMLSPY v5 rel. 4 U (http://www.xmlspy.com) by James L. Blunt (Landmark Graphics Corp.) --> <studentActivities xmlns="http://www.exampleU.com/activity" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.exampleU.com/activity  student3.xsd">   <studentActivity>     <studentID>sn42</studentID>     <activity>Swimming</activity>   </studentActivity>   <studentActivity>     <studentID>sn44</studentID>     <activity>Polo</activity>   </studentActivity>   <studentActivity>     <studentID>sn49</studentID>     <activity>Swimming</activity>   </studentActivity>   <studentActivity>     <studentID>sn11</studentID>     <activity>Swimming</activity>   </studentActivity>   <studentActivity>     <studentID>sn43</studentID>     <activity>Bowling</activity>   </studentActivity>   <activities>     <activity>       <!--<name>Swimming></name> -->      <!-- if I uncomment name -->       <desc>Swimming</desc>               <!-- and comment out desc -->                        <fee>47.50</fee>                    <!-- it works             -->     </activity>     <activity>       <name>Polo</name>       <!--<name>Swimming</name> -->       <fee>789.99</fee>     </activity>     <activity>       <name>Bowling</name>       <fee>38.50</fee>     </activity>   </activities> </studentActivities>     Bill Riegel LandMark Graphics 713-839-3388

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