I have this problem

org.xml.sax.SAXParseException: The processing instruction target matching "[xX][mM][lL]" is not allowed.
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:232)
at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:213)


Previously i do not have this problem. Ever since i have integrate my codes with my colleagua codes i have this error when i start Jboss. I have check the jboss.xml and ejb-jar.xml , there isn't any space or elements before <?xml version="1.0" encoding="UTF-8"?>

Please help. Thank you