[redglory]

Here you go: log

It seems you always expect a folder with files inside.

Code:

2013-11-28 23:18:31.254000:MainThread: libDirectory.JSON SOCKET REQUEST: [{"jsonrpc": "2.0", "params": {"directory": "E:\\Movies\\42.(2013)\\extrathumbs\\"}, "method": "Files.GetDirectory", "id": "libDirectory"}]
2013-11-28 23:18:31.256000:MainThread: libDirectory.BUFFER RECEIVED (len 100)
2013-11-28 23:18:31.256000:MainThread: libDirectory.PARSING JSON DATA: {"id":"libDirectory","jsonrpc":"2.0","result":{"files":null,"limits":{"end":0,"start":0,"total":0}}}
2013-11-28 23:18:31.256000:MainThread: libDirectory.PARSING COMPLETE, elapsed time: 0.000000 seconds
2013-11-28 23:18:31.256000:MainThread: libDirectory.RECEIVED LIMITS: {u'start': 0, u'total': 0, u'end': 0}
2013-11-28 23:18:31.257000:MainThread: libDirectory.FINISHED, elapsed time: 0.003000 seconds

Forgot to mention that I have configured to cache both extrafanart and extrathumbs!