Two days back we updated this plugin from version 3.46 to version 3.47.
As a consequence we got the following error in our Jenkins pipeline 
The error is been thrown at a place were we import the following libs 
and execute commands like 
Any idea what change in version 3.47 is causing this exception?
Thanks for a hint.
Remark: After a rollback to version 3.46 everything is working fine again
[Pipeline] echo Caught: groovy.lang.GroovyRuntimeException: DOMSource cannot be processed: check that saxon9-dom.jar is on the classpath
def modPom = XmlUtil.serialize(pom).toString()
pom = null
deps = null
writeFile file: filePath, text: modPom