[Fatal Error] :2:6: The processing instruction target matching "[xX][mM][lL]" is not allowed.
org.xml.sax.SAXParseException: The processing instruction target matching "[xX][mM][lL]" is not allowed.
        at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
        at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
        at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:76)
        at javaapplication2.credit.Request(credit.java:79)
        at javaapplication2.credit.hit(credit.java:33)
        at javaapplication2.Main.main(Main.java:68)
java.lang.NullPointerException
        at com.cybersource.ws.client.Utility.getElement(Utility.java:281)
        at com.cybersource.ws.client.Utility.getElementText(Utility.java:308)
        at com.cybersource.ws.client.XMLClient.runTransaction(XMLClient.java:153)
        at com.cybersource.ws.client.XMLClient.runTransaction(XMLClient.java:113)
        at javaapplication2.credit.hit(credit.java:38)
        at javaapplication2.Main.main(Main.java:68)