ERROR: RTMP_ReadPacket, failed to read RTMP packet header

[deep2014]

i thought the command line is correct ?

rtmpdump -r "rtmps://xxx:443/vod/something/" -a "vod/something/" -y "mp4:something/something_xxx.mp4" -f "WIN 12,0,0,70" -W "https://xxx/flowplayer.commercial-x.x.xx.swf" -o e:\out.mp4 -V -p https://xxx/videos/yyy

why i can't download ?

log

RTMPDump v2.4
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
DEBUG: Protocol : RTMPS
DEBUG: Hostname : xxx
DEBUG: Port     : 443
DEBUG: Playpath : mp4:something/something_xxx.mp4
DEBUG: tcUrl    : rtmps://xxx:443/vod/something/
DEBUG: swfUrl   : https://xxx/flowplayer.commercial-x.x.xx.swf
DEBUG: pageUrl  : https://xxx/videos/somepage
DEBUG: app      : vod/something/
DEBUG: flashVer : WIN 12,0,0,70
DEBUG: live     : no
DEBUG: timeout  : 30 sec
DEBUG: SWFSHA256:
DEBUG: xx
DEBUG: xx
DEBUG: SWFSize  : 261876
DEBUG: Setting buffer time to: 36000000ms
Connecting ...
DEBUG: RTMP_Connect1, ... connected, handshaking
DEBUG: HandShake: Client type: 03
DEBUG: HandShake: Client digest offset: 53
DEBUG: HandShake: Initial client digest:
DEBUG: xx
DEBUG: xx
DEBUG: HandShake: Type Answer   : 03
DEBUG: HandShake: Server Uptime : 96850052
DEBUG: HandShake: FMS Version   : 3.0.1.1
DEBUG: HandShake: Calculated digest key from secure key and server digest:
DEBUG: xx
DEBUG: xx
DEBUG: HandShake: Client signature calculated:
DEBUG: xx
DEBUG: xx
DEBUG: HandShake: Server sent signature:
DEBUG: xx
DEBUG: xx
DEBUG: HandShake: Digest key:
DEBUG: xx
DEBUG: xx
DEBUG: HandShake: Signature calculated:
DEBUG: xx
DEBUG: xx
DEBUG: HandShake: Genuine Adobe Flash Media Server
DEBUG: HandShake: Handshaking finished....
DEBUG: RTMP_Connect1, handshaked
DEBUG: Invoking connect
INFO: Connected...
DEBUG: HandleServerBW: server BW = 2500000
DEBUG: HandleClientBW: client BW = 2500000 2
DEBUG: HandleCtrl, received ctrl. type: 0, len: 6
DEBUG: HandleCtrl, Stream Begin 0
DEBUG: HandleChangeChunkSize, received: chunk size change to 4096
DEBUG: RTMP_ClientPacket, received: invoke 349 bytes
DEBUG: (object begin)
DEBUG: (object begin)
DEBUG: Property: <Name:             fmsVer, STRING:     FMS/3,5,7,7009>
DEBUG: Property: <Name:       capabilities, NUMBER:     31.00>
DEBUG: Property: <Name:               mode, NUMBER:     1.00>
DEBUG: (object end)
DEBUG: (object begin)
DEBUG: Property: <Name:              level, STRING:     status>
DEBUG: Property: <Name:               code, STRING:     NetConnection.Connect.Success>
DEBUG: Property: <Name:        description, STRING:     Connection succeeded.>
DEBUG: Property: <Name:               data, ECMA_ARRAY>
DEBUG: (object begin)
DEBUG: Property: <Name:            version, STRING:     3,5,7,7009>
DEBUG: (object end)
DEBUG: Property: <Name:           clientid, NUMBER:     xxx.00>
DEBUG: Property: <Name:     objectEncoding, NUMBER:     0.00>
DEBUG: Property: <Name:        secureToken, STRING:     xxx>
DEBUG: (object end)
DEBUG: (object end)
DEBUG: HandleInvoke, server invoking <_result>
DEBUG: HandleInvoke, received result for method call <connect>
DEBUG: sending ctrl. type: 0x0003
DEBUG: Invoking createStream
DEBUG: RTMP_ClientPacket, received: invoke 29 bytes
DEBUG: (object begin)
DEBUG: Property: NULL
DEBUG: (object end)
DEBUG: HandleInvoke, server invoking <_result>
DEBUG: HandleInvoke, received result for method call <createStream>
DEBUG: SendPlay, seekTime=0, stopTime=0, sending play: mp4:something/something_xxx.mp4
DEBUG: Invoking play
DEBUG: sending ctrl. type: 0x0003
DEBUG: Invoking deleteStream
ERROR: RTMP_ReadPacket, failed to read RTMP packet header
DEBUG: Closing connection.