java.lang.IllegalArgumentException: The char '0x0' after 'return code: 504
<BODY BGCOLOR="white" FGCOLOR="black"><H1>Unknown Host</H1><HR>
Description: Unable to locate the server named "<em>localhost</em>" --- the server does not have a DNS entry. Perhaps there is a misspelling in the server name, or the server no longer exists. Double-check the name and try again.</B></FONT>
<!-- default "Unknown Host" response (504) -->
' is not a valid XML character.