A ParserConfigurationException is thrown if this DocumentBuilderFactory or the DocumentBuilders it creates cannot support the feature. It is possible for a DocumentBuilderFactory to expose a feature value but be unable to change its state.

What is the use of DocumentBuilderFactory?

Class DocumentBuilderFactory. Defines a factory API that enables applications to obtain a parser that produces DOM object trees from XML documents.

What is ParserConfigurationException Java?

Class ParserConfigurationException

Indicates a serious configuration error.