I took a look and didn't see any obvious errors. I have seen this sort of error when the file is not saved with UTF-8 encoding, but the file I extracted did seem to have UTF-8 encoding. You might be able to get more information by running your command and adding "--logLevel=DEBUG" to get a better idea where in the changelog it is having problems.
Basically, the error message is saying that liquibase can't even parse the XML from the changelog. The XML parsing is done with a well-known XML parsing library, so the most likely cause is malformed or mal-encoded XML.
Steve Donie
Principal Software Engineer
Datical, Inc. http://www.datical.com/
Steve Donie
Principal Software Engineer
Datical, Inc. http://www.datical.com/