[jboss-dev-forums] [Design of POJO Server] - Parsing behavior FYI

[scott.stark@jboss.org]

I ran into a whitespace issue with an ear that has whitespace surrounding the module path:


  | <application xmlns="http://java.sun.com/xml/ns/javaee"
  |     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  |     version="5"
  |     xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/application_5.xsd">
  |     <description>Application Archive</description>
  |     <display-name>transport_vehicles</display-name>
  |     
  |     
  |     <module>
  |         <java>
  |             transport_ejb_vehicle_client.jar
  |         </java>
  |     </module>
  | ...
  | 

This failed to parse with:

  | 21:40:05,543 WARN  [EARStructure] Error during determineStructure: transport_vehicles.ear
  | java.lang.RuntimeException: Error determining structure: transport_vehicles.ear        at org.jboss.deployment.EARStructure.determineStructure(EARStructure.java:253)
  | ...
  | Caused by: org.jboss.xb.binding.JBossXBException: Failed to parse source: Invalid token value:
  |                                 transport_ejb_vehicle_client.jar
  | 
  |         at org.jboss.xb.binding.parser.sax.SaxJBossXBParser.parse(SaxJBossXBParser.java:213)
  |         at org.jboss.xb.binding.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:153)
  |         at org.jboss.deployment.EARStructure.determineStructure(EARStructure.java:151)
  |         ... 58 more
  | Caused by: org.jboss.xb.binding.JBossXBValueFormatException: Invalid token value:
  |                                 transport_ejb_vehicle_client.jar
  | 
  |         at org.jboss.xb.binding.SimpleTypeBindings.unmarshal(SimpleTypeBindings.java:860)
  |         at org.jboss.xb.binding.sunday.unmarshalling.CharactersHandler.unmarshal(CharactersHandler.java:114)
  |         at org.jboss.xb.binding.sunday.unmarshalling.impl.runtime.RtCharactersHandler.unmarshal(RtCharactersHandler.java:64)
  |         at org.jboss.xb.binding.sunday.unmarshalling.CharactersHandler.unmarshal(CharactersHandler.java:124)
  |         at org.jboss.xb.binding.sunday.unmarshalling.impl.runtime.RtCharactersHandler.unmarshal(RtCharactersHandler.java:64)
  |         at org.jboss.xb.binding.sunday.unmarshalling.SundayContentHandler.endElement(SundayContentHandler.java:1047)
  |         at org.jboss.xb.binding.sunday.unmarshalling.SundayContentHandler.endElement(SundayContentHandler.java:266)
  |         at org.jboss.xb.binding.parser.sax.SaxJBossXBParser$DelegatingContentHandler.endElement(SaxJBossXBParser.java:384)
  |         at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
  |         at org.apache.xerces.xinclude.XIncludeHandler.endElement(Unknown Source)
  |         at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)
  |         at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
  |         at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
  |         at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
  |         at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
  |         at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
  |         at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
  |         at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
  |         at org.jboss.xb.binding.parser.sax.SaxJBossXBParser.parse(SaxJBossXBParser.java:209)
  |         ... 60 more
  | 

Turned out the metadata-beans.xml binding for application_5.xsd schema location was incorrectly using application_5_0.xsd. Because of this the schema was being generated from the schema by the XsdBinder and somehow this was changing the behavior of the characters callback. I'm not clear where this change was happening as the ContentHandler.characters(char[] ch, int start, int length) callback value was different in the two cases.


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