[jira] [Created] (CAMEL-14155) xpath throws NPE if body is null when camel-saxon is used as JAXP implementation

["Luigi De Masi (Jira)" <ji...@apache.org>]

Luigi De Masi created CAMEL-14155:
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             Summary: xpath throws NPE if body is null when camel-saxon is used as JAXP implementation
                 Key: CAMEL-14155
                 URL: https://issues.apache.org/jira/browse/CAMEL-14155
             Project: Camel
          Issue Type: Bug
          Components: came-core
            Reporter: Luigi De Masi


despite [XPath API spec| https://docs.oracle.com/javase/8/docs/api/javax/xml/xpath/XPathExpression.html#evaluate-java.lang.Object-javax.xml.namespace.QName-] states:

{quote}If a null value is provided for item, an empty document will be used for the context\{quote}

saxon, starting from 9.6, they decided to ignore it and throw NPE if the node is null, from [saxon javadoc|https://www.saxonica.com/html/documentation9.8/javadoc/net/sf/saxon/xpath/XPathExpressionImpl.html#evaluate-java.lang.Object-javax.xml.namespace.QName-]:

{quote} Contrary to the interface specification, Saxon does not supply an empty document when the value is null. This is because XPath 2.0 allows the context item to be "absent" (null). So Saxon executes the XPath expression with the context item undefined.\{quote}

 

 

 



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