Hi everybody.
I am currently trying to upgrade an old app from JBoss 3.2.5 to the latest
version in the hope of breathing some new life into it.
I have made a number of changes suggested by the upgrade guide (changing my
Datasource config etc.), however when I deploy my app am am getting some errors
related apparently to xerces.
I get this error if I try and deploy one web-app.
14:30:08,354 ERROR [Digester] Digester.getParser:
java.lang.ClassCastException: org.apache.xerces.jaxp.SAXParserFactoryImpl
at javax.xml.parsers.SAXParserFactory.newInstance(Unknown Source)
I get this error when I try and access the other web-app (which seems to deploy
ok). I have checked the org.apache.xerces.parsers.SAXParser class I am using
and it definitely implements XMLReader).
org.jdom.JDOMException: Could not load default SAX parser:
org.apache.xerces.parsers.SAXParser: SAX2 driver class
org.apache.xerces.parsers.SAXParser does not implement XMLReader
I also have an ear which seems to deploy ok.
I am using JBoss 4.0.5 and have recompiled the application against the
xercesimpl.jar and xml-api.jar files found in JBoss?s lib/endorsed folder.
There are no other versions of xerces in any of my ears or wars ? just that
version. My initial research leads me to believe this is a class-loading issue
and that maybe my default sax parser is incorrect?
Could it be that Java 1.5 (which i am using) loads another sax parser or maybe
one of JBoss's subcomponents (Tomcat) has a different version? I have no idea
how to continue.
Anybody got any ideas?
Thanks for your time.
Robert Hughes
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