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Learn how to implement XML validation against an XSD using Java's JAXP API, including security configurations to prevent XXE attacks and performance tips for large files.
When an XML document references an external DTD or external entity, a JAXP parser configured to block external entity resolution raises a fatal error. The precise component is the feature controlling external-general-entities on DocumentBuilderFactory or SAXParserFactory. In a repeatable development environment, this creates a conflict: network-dependent DTD
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