Hi all,
We have a webapp with some Axis2 clients. Axis2 uses Axiom to handle xml.
The problem is that other parts of the application must parse some XML
documents. As long as the Xerces DocumentBuilderFactory is used, we have no
problem. But from a given time, our webapp starts to use the Axiom
DocumentBuilderFactory everywhere and we get some NullPointerException each
time:
Example with JasperReport:
StackTrace on java.lang.NullPointerException
org.apache.axiom.om.impl.dom.jaxp.DocumentBuilderFactoryImpl.newDocumentBuilder(DocumentBuilderFactoryImpl.java:73)
net.sf.jasperreports.engine.util.JRStyledTextParser.<init>(JRStyledTextParser.java:115)
net.sf.jasperreports.engine.fill.JRBaseFiller.<init>(JRBaseFiller.java:157)
net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:92)
net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:74)
... another one:
Caused by: java.lang.NullPointerException
at
org.apache.axiom.om.impl.dom.jaxp.DocumentBuilderFactoryImpl.newDocumentBuilder(DocumentBuilderFactoryImpl.java:73)
at
com.notary.util.signature.impl.AbstractVerifierImpl.getDocBuilder(AbstractVerifierImpl.java:116)
at
com.notary.util.signature.impl.iaik.XadesVerifierImpl.verifySignature(XadesVerifierImpl.java:119)
... 55 more
I had a look at the Javadoc about DocumentBuilderFactory
http://java.sun.com/j2se/1.4.2/docs/api/javax/xml/parsers/DocumentBuilderFactory.html#newInstance().
and Xerces has a META-INF/services/javax.xml.parsers.DocumentBuilderFactory
file in the jar while Axiom not.
=> the question is: How does Axis2 get the Axiom's DocumentBuilderFactory ?
Does it set the System property ?
About the NullPointerException itself, I guess I should post it in axiom's
mailing list...
Thx,
Johan.
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