Bauke Scholtz created MYFACES-3537:
--------------------------------------

             Summary: TagLibraryConfig doesn't recognize 
<facelet-taglib><description>
                 Key: MYFACES-3537
                 URL: https://issues.apache.org/jira/browse/MYFACES-3537
             Project: MyFaces Core
          Issue Type: Bug
          Components: General
    Affects Versions: 2.1.7
         Environment: Windows 7 x64, JDK 1.7.0_4, Eclipse Indigo SR2, Tomcat 
7.0.27, MyFaces 2.1.7
            Reporter: Bauke Scholtz


The trigger is this OmniFaces issue: 
http://code.google.com/p/omnifaces/issues/detail?id=9

OmniFaces has a {{<description>}} element right before {{<namespace>}} element 
in the taglib.xml files which describes the taglib.
{code:xml}
<facelet-taglib id="o"
    xmlns="http://java.sun.com/xml/ns/javaee";
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
http://java.sun.com/xml/ns/javaee/web-facelettaglibrary_2_0.xsd";
    version="2.0"
>
    <description>OmniFaces UI components.</description>
    <namespace>http://omnifaces.org/ui</namespace>

    ...
</facelet-taglib>
{code}


It get parsed fine on Mojarra, but on MyFaces 2.1.7 the following exception 
occurs:

{code}
Caused by: org.xml.sax.SAXException: Error Handling 
[jar:file:/C:/Users/BalusC/Documents/Work/M4N/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp2/wtpwebapps/omnifaces_test/WEB-INF/lib/omnifaces.jar!/META-INF/omnifaces-ui.taglib.xml@20,33]
 <description>
        at 
org.apache.myfaces.view.facelets.compiler.TagLibraryConfig$LibraryHandler.endElement(TagLibraryConfig.java:609)
        at 
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:606)
        at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1741)
        at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2898)
        at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:607)
        at 
com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:116)
        at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:488)
        at 
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:835)
        at 
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
        at 
com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:123)
        at 
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1210)
        at 
com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:568)
        at 
com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(SAXParserImpl.java:302)
        at javax.xml.parsers.SAXParser.parse(SAXParser.java:195)
        at 
org.apache.myfaces.view.facelets.compiler.TagLibraryConfig.create(TagLibraryConfig.java:788)
        ... 37 more
{code}

Removing the {{<description>}} element solves the problem. But this is not what 
we want. Putting the {{<description>}} element _after_ the {{<namespace>}} 
element also solves the problem, but Eclipse marks the XML invalid according 
the XSD.


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