The following table describes the differences in the operation of StAX:

Table A-12 Differences in the operation of StAX (comparison of cases when JAXP1.3 is used on J2SE 5.0 and JAXP1.4 is used on Java SE 6)

No.	Condition	Execution result
		In J2SE 5.0	In Java SE 6
1	When the getCause method is executed in the object generated in the javax.xml.stream.XMLStreamException(Throwable) constructor	null is returned.	The Throwable object specified in the constructor is returned.