You are using Properties.loadFromXML to load a TEXT file as XML, and it's telling you the XML file you've given it is malformed.
Next time when you get errors like this, do a google search for 'java loadfromxml'. It will take you to the javadocs manual on how to use it and you will see that the parameters you are feeding it is incorrect:
The above link says:
The XML document must have the following DOCTYPE declaration:
<!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd">
Change your properties file to be of correct format, and then you'll be on your way to figuring out the next error.