[news.eclipse.tools.jdt] Incompatibility ant saxon8 (xpath)?

[Carine.Courbis@xxxxxxxxxx (Carine Courbis)]

Hi, 

I have a Java application that uses XmlBeans to generate classes from 
schemas and has an XPath selection.

If I launch this application with the ant included into Eclipse, I get the 
following error 
[java] java.lang.RuntimeException:  Trying XBeans path engine... Trying 
XQRL... Trying Saxon... FAILED on ../..
[java] 	at 
org.apache.xmlbeans.impl.store.Path.getCompiledPath(Path.java:131)
[java] 	at 
org.apache.xmlbeans.impl.store.Path.getCompiledPath(Path.java:91)
[java] 	at 
org.apache.xmlbeans.impl.store.Cursor._selectPath(Cursor.java:890)
[java] 	at 
org.apache.xmlbeans.impl.store.Cursor.selectPath(Cursor.java:2622)
[java] 	at 
org.apache.xmlbeans.impl.values.XmlObjectBase.selectPath(XmlObjectBase.java:430)
[java] 	at 
org.apache.xmlbeans.impl.values.XmlObjectBase.selectPath(XmlObjectBase.java:414)

If I launch it using eclipse only, it is working fine.

I guess there are some incompatibilities between the Saxon8.1.b and the 
libraries of the ant plugin needed to interpret the ant file. 

What do you think? I do not see how to solve this problem. Any help would 
be very much appreciated. 
Thanks a lot in advance for any help

Carine

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Configuration
Eclipse 3.3
ant 1.7
Java 1.6.0_02
Saxon 8.1.b