run:
     [java]      0 [main                ] INFO     org.jvoicexml.JVoiceXmlMain (
    97)  ----------------------------------------------------
     [java]      6 [main                ] INFO     org.jvoicexml.JVoiceXmlMain (
    98)  starting VoiceXML interpreter 0.7.5.EA (Revision 2627)...
     [java]      7 [JVoiceXmlMain       ] WARN     org.jvoicexml.JVoiceXmlMain (
   180)  no configuration found
     [java]      9 [JVoiceXmlMain       ] DEBUG    org.jvoicexml.JVoiceXmlMain (
   479)  added shutdown hook
     [java]     10 [JVoiceXmlMain       ] ERROR    org.jvoicexml.JVoiceXmlMain (
   333)
     [java] java.lang.NullPointerException
     [java]     at org.jvoicexml.JVoiceXmlMain.run(JVoiceXmlMain.java:328)
     [java]     65 [ShutdownHook        ] INFO  voicexml.JVoiceXmlShutdownHook (
    66)  JVoiceXML interrupted! Shutting down...
     [java]     71 [ShutdownHook        ] INFO     org.jvoicexml.JVoiceXmlMain (
   415)  received shutdown request