Saxon is known to fix this problem in some environments, though it's impossible to be certain that it fixes it in all environments, since the ways of doing class loading are so many and varied. Which release are you using? It doesn't look like judging by the line numbers.

Michael Kay

On 18/10/2010 19:28, Paul Mahoney wrote:

Running Tomcat 6.0 and want to use XPATH 2.0 features, so replaced xalan.jar with saxon9he.jar in Tomcat 6.0\endorsed.


This as resulted in the NPE others have reported:


        at org.alfresco.repo.content.selector.XPathContentWorkerSelector.<init>(

        ... 57 more

Caused by: java.lang.RuntimeException: Failed to load configuration defined in

        at net.sf.saxon.Configuration.<clinit>(

        ... 70 more

Caused by: java.lang.NullPointerException

        at net.sf.saxon.Configuration.<clinit>(


Anyone know how to overcome this?

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