Gnutella Forums - Error when starting

Quote:

~$ limewire
: not found 5:
Arrancando LimeWire PRO 4.12.6...
/usr/bin/java
Java exec no encontrada en PATH, iniciando autobúsqueda...
Cargando LimeWire PRO 4.12.6:
[Fatal Error] :2:6: The processing instruction target matching "[xX][mM][lL]" is not allowed.
CyberGarage warning : org.xml.sax.SAXParseException: The processing instruction target matching "[xX][mM][lL]" is not allowed.
org.cybergarage.xml.ParserException: org.xml.sax.SAXParseException: The processing instruction target matching "[xX][mM][lL]" is not allowed.
at org.cybergarage.xml.parser.XercesParser.parse(Xerc esParser.java:122)
at org.cybergarage.soap.SOAPRequest.postMessage(SOAPR equest.java:92)
at org.cybergarage.upnp.control.ActionRequest.post(Ac tionRequest.java:137)
at org.cybergarage.upnp.Action.postControlAction(Acti on.java:317)
at com.limegroup.gnutella.UPnPManager$StaleCleaner.ru n(UPnPManager.java:527)
at com.limegroup.gnutella.util.ThreadFactory*****run( ThreadFactory.java:18)
at com.limegroup.gnutella.util.DefaultThreadPool$Proc essor.run(DefaultThreadPool.java:127)
at java.lang.Thread.run(Thread.java:595)
Caused by: org.xml.sax.SAXParseException: The processing instruction target matching "[xX][mM][lL]" is not allowed.
at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
at org.cybergarage.xml.parser.XercesParser.parse(Xerc esParser.java:106)
... 7 more

what should I do to fix this ? i can't run the program , ( i've alredy installed java properly), thx :idea: