[one-users] vnc grep

[hansz]

centos 6.4 +opennebula 4.2
(1)now  in my opennebula i can see vnc ,but the clour is grep ,if i click it ，can show an window ，but it is blank ,and i can see 
VNC Server disconnection(code 1006)


(2)i am sure i install the novnc ,python-setuptools,python-websockify rpm package.
i also set the language english.
(3) this is the nonvc.log
190 I, [2013-08-22T16:00:03.567586 #9629]  INFO -- : Killing VNC proxy
    191 I, [2013-08-22T16:00:04.589507 #9629]  INFO -- : Deleting stale lock file
    192 I, [2013-08-22T16:00:04.841151 #9656]  INFO -- : Starting VNC proxy: python /usr/share/one/websockify/websocketproxy.py --target-config=/var/lib/one/sunstone_vnc_tokens  29876
    193 WARNING: no 'numpy' module, HyBi protocol is slower or disabled
    194 WebSocket server settings:
    195   - Listen on :29876
    196   - Flash security policy server
    197   - No SSL/TLS support (no cert file)
    198   - proxying from :29876 to targets in /var/lib/one/sunstone_vnc_tokens
    199 
    200   1: 10.24.12.132: SSL connection but '/root/self.pem' not found
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