Exceptions of this type may be thrown by user -defined XPathFunction implementations . Note that this is a subclass of XPathExpressionException . Figure 20-22. javax.xml.xpath.XPathFunctionExceptionpublic class XPathFunctionException extends XPathExpressionException { // Public Constructors public XPathFunctionException (Throwable cause ); public XPathFunctionException (String message ); } Thrown ByXPathFunction.evaluate( ) |