How to get a sub tag in xml file

Question

As the xml file is the below thing ------
<?xml version="1.0" encoding="UTF-8"?>
<addRequest xmlns:spml="urn:oasis:names:tc:SPML:2:0">
     <data>
     <attributes>
               <attr name="Objectclass">
                    <value>SafePolicy</value>
               </attr>
               <attr name="name">
                    <value>NewPolicy</value>
               </attr>
               <attr name="Resource">
                    <value>NewResourceclass</value>
               </attr>
               <attr name="Description">
                    <value>This is a New AccessPolicy</value>
               </attr>
          </attributes>
     </data>
</addRequest>
The Schema has only the data and i was able to get the data object and the data can contain any namespace ,so i had the attributes and which inturn contain the attr and value .I have to get the Attributes , so that i can get the attr(name) and value pairs.Initially i did the unmarshal stuff and got until data but giving an error when i try to obtain the other tags .Can any body send the code for obtaining that by using the unmarshalling concept please.I need it .
Thank you,

Answer 1

Thank you,
As i was trying to obtain the input to UI from an xml file by which the axis converts to java objects and inturn have to get the reply as xml file . The error was in the jar files ,when i loaded the jar files another time my code started working.