i am getting error in hibernate

[Ramamohan Gadilli]

i am new to hibernate,

i am getting error in hbm.xml file

like
SEVERE: Error parsing XML: XML InputStream(3) The processing instruction target matching "[xX][mM][lL]" is not allowed.
org.hibernate.MappingException: Could not read mappings from resource: CD.hbm.xml
at org.hibernate.cfg.Configuration.addClass(Configuration.java:506)
at CDTest.<init>(CDTest.java:31)
at CDTest.main(CDTest.java:204)
Caused by: org.hibernate.MappingException: Could not parse mapping document in input stream
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:431)
at org.hibernate.cfg.Configuration.addClass(Configuration.java:503)
... 2 more
Caused by: org.dom4j.DocumentException: Error on line 3 of document : The processing instruction target matching "[xX][mM][lL]"
s not allowed. Nested exception: The processing instruction target matching "[xX][mM][lL]" is not allowed.
at org.dom4j.io.SAXReader.read(SAXReader.java:482)
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:422)
... 3 more
java.lang.NullPointerException

any one please can you help me

[Paul Sturrock]

CD.hbm.xml appears to be invalid XML. Check that. If you can't see what is making it invalid, you can post it here and someone may point out your mistake.