How to detect the root cause of XML encoding problem ?

Hi,
I need to identify the exactly root cause of error when parssing a XML ( ISO-8859-1 encoding) problem.
How can I do this using JAVA ?
regards
ICP

Hi dekassegui,
Thanks for your response
The error is an error from Oracle HTTP adapter servlet. The message error is : "oracle.xml.parser.v2.XMLParseException"
My intention is to verify the data before thats receieved by the adapter and the servlet.
I did my own servlet extending the orgirinal servlet to show and log the entire received content. The content looks "OK".
Now I would like to check a possible special character or symbol unsupported by enconding.
The Input data is aware of my control. But if the error could be detected, message senders will correct this.
My major problem is to ensure what is the root cause of the error.
regards,
ICP

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