XPathFactory#newInstance() failed to create an XPathFactory for the default object model error after migrating to Java 8 on Google App Engine

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After migrating to Java 8 you may see this error:

javax.servlet.ServletException: java.lang.RuntimeException: XPathFactory#newInstance() failed to create an XPathFactory for the default object model
java-8 google-cloud-platform java-7 google-app-engine java
1 Answers

The XPathFactory.newInstance() method from Java8 with an older release of Saxon (< 9.5.1.5) on the classpath will cause this failure. To fix the issue you need to upgrade to a newer version of Saxon. The current version is 9.9 and is available in the Maven Repository and the Saxon website.

For more info on Java 8 for Google App Engine, see Migrating to Java 8.

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