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Repost: XDB error LPX-00225 - bogus <META> tag getting added to content?

david_l_lMay 16 2011 — edited May 17 2011
+(Note: I originally posted this question in the "General" forum at 9591267 but was encouraged to move it here)+

I'm trying to apply the example at http://community.jboss.org/wiki/MappingOracleXmlTypeToDocument ... that is, store data in the database in an XMLType column but transparently handle it in the Java middle tier as a W3C DOM object. I'll probably end up using a custom application-relevant schema for the data, and thawing it to an application-specific Java bean using something like JiBX, but as an experiment I tried a simple XML document with an &lt;html> top-level tag and ran into a wierd error:

-----
Echoing document: &lt;?xml version="1.0" encoding="UTF-16"?><html>
&lt;head>&lt;title>A manually typed document&lt;/title>&lt;/head>
&lt;body> One line &lt;br/> Another line &lt;br/> A third line &lt;/body>
&lt;/html>
Hibernate: insert into docs (id, content) values (seq.nextval, ?)
1938 [main] WARN org.hibernate.util.JDBCExceptionReporter - SQL Error: 31011, SQLState: 99999
1938 [main] ERROR org.hibernate.util.JDBCExceptionReporter - ORA-31011: XML parsing failed
ORA-19202: Error occurred in XML processing
LPX-00225: end-element tag "head" does not match start-element tag "META"
Error at line 5

Exception in thread "main" org.hibernate.exception.GenericJDBCException: could not insert: [demo.hr.DocBean]
at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:140)
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:128)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:64)
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2327)
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2834)
at org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:71)
at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:273)
at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:320)
at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:203)
at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:129)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:210)
at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:56)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:50)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:713)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:701)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:697)
at demo.hr.AddDoc.main(AddDoc.java:70)
Caused by: java.sql.SQLException: ORA-31011: XML parsing failed
ORA-19202: Error occurred in XML processing
LPX-00225: end-element tag "head" does not match start-element tag "META"
-----

I haven't yet been able to trace in to the point of the error with a debugger to see what's actually in memory, but it looks like something is adding an unclosed &lt;META> tag. My code works fine when the top-level tag is something else, say &lt;a> or &lt;zz> or &lt;data>. Has anyone else run into this? Is there any other workaround?

I'm using the files "ojdbc14_g.jar", "xmlparserv2.jar" and "xdb_g.jar" taken from an Oracle 10gR2 server. I've tried running my code against an Oracle 9i server running on Windows XP and against an Oracle 11g server running on RHEL5 64-bit. When I try running with the corresponding JAR files from Oracle 11g, Hibernate complains that it can't parse its configuration-file. The Java version I'm using is "IBM J9 VM (build 2.4, JRE 1.6.0 IBM J9 2.4 Windows XP x86-32 jvmwi3260sr9-20101124_69295 (JIT enabled, AOT enabled)".
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Locked on Jun 14 2011
Added on May 16 2011
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