How the xml message format into line

BBPF RESSYS

turned into a row above

OutputFormat format = OutputFormat.createCompactFormat ();
format.setEncoding (Constants.DEFAULT_CHARSET);

This is the message encoding plus
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in the end you have to ask what ?
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specifically what the problem is .
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this is not simply replace all carriage returns on the line.
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s.replaceAll ("\ r", ""). replaceAll ("\ n", "")
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BBPF RESSYS
this message becomes a line , the line and the coding esb this line becomes line.