yanlin-Lynn commented on issue #25099: [SPARK-28337][spark-assembly]add commons-jxpath dependency for assembly. URL: https://github.com/apache/spark/pull/25099#issuecomment-510304849 > I think in this case you just want to include commons-configuration and commons-jxpath in your app, no? I don't think we'd add this to Spark just because an app wants it. No. Include commons-configuration and commons-jxpath in app cannot solve this problem. The spark already contains commons-configuration in its jars directory. XPathExpressionEngine is loaded from jar file in the jars directory, when it needs to load NodePointerFactory, which is needed by XPathExpressionEngine, user spark app jar is not in the path for searching. That's the reason it cause ClassNotFoundException.
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