How do I find out which JAXP implementation is in use and where it was loaded from?

Question

I would like to provide diagnostic information about what JAXP implementation is in use, and which JAR file it was loaded from.

One way to achieve this is to create

Answer 1

Just add

-Djaxp.debug=1

to JAVA_OPTS and you will see such information.

For more detail: https://docs.oracle.com/javase/7/docs/api/javax/xml/parsers/DocumentBuilderFactory.html