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Edge Server returns HLS Empty Packets

Wowza Streaming Engine
#1

This is weird issue.

I have almost 4-7 Edge Server Pointing to Origin server.

While loading HLS stream, some times Edge Server returns Empty HLS list.

Here is empty list

HTTP/1.1 200 OK
Accept-Ranges: bytes
Server: WowzaStreamingEngine/4.2.0
Cache-Control: no-cache
Date: Thu, 20 Apr 2017 18:46:24 GMT
Content-Type: application/vnd.apple.mpegurl
Content-Length: 25

#EXTM3U
#EXT-X-VERSION:3

Any kind of hint/clue, where to debug or how to debug, would be a great help.

I tried my all possible ways.

Thanks

#2

Hello,

Thanks for contacting the Wowza Community

We would need the log files for this issue. Can you open a ticket and submit the log files of a edge server that had the issue and a timeframe?

Ticket

regards,

Jermaine

#3

here is the today’s log

2017-05-11    17:00:06    UTC    comment    server    INFO    200    -    MediaStreamHTTPStreamerRepeaterPlay.startPlay[WCIWowzaEdge/_definst_/]    -    -    -    56.976    -    -    -
2017-05-11    17:00:06    UTC    connect    cupertino    INFO    200    1529027203    -    _defaultVHost_    WCIWowzaEdge    _definst_    56.976    54.243.65.138    1935    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8?promoCode=    203.212.244.124    http (cupertino)    -    VLC/2.2.1 LibVLC/2.2.1    1529027203    0    mobile1469_90f06e0a19b89b08a93c3ed91558891e    promoCode=    -    -    -    -    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8?promoCode=    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8    promoCode=    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8    promoCode=
2017-05-11    17:00:06    UTC    create    stream    INFO    200    wowz://54.197.245.15:1935/WCIWowza/_definst_/mobile1469_90f06e0a19b89b08a93c3ed91558891e    -    _defaultVHost_    WCIWowzaEdge    _definst_    0.002    54.243.65.138    1935    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8?promoCode=    203.212.244.124    http (cupertino)    -    VLC/2.2.1 LibVLC/2.2.1    1529027203    0    0    3    0    0    0    mobile1469_90f06e0a19b89b08a93c3ed91558891e    promoCode=    -    -    -    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8?promoCode=    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8    promoCode=    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8    promoCode=
2017-05-11    17:00:06    UTC    comment    server    INFO    200    -    Validate URL is : http://54.197.245.15:1935/WCIWowza/validate/playlist.m3u8?eventId=1469&promoCode=&uniqueId=15290272056.977    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
2017-05-11    17:00:06    UTC    comment    server    INFO    200    -    

response code is 200

    -    -    -    56.986    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
2017-05-11    17:00:06    UTC    comment    server    INFO    200    -    HTTP Session with sessionId1529027203 accepted.    -    -    -    56.987    -    -    -    -    -    -
2017-05-11    17:00:06    UTC    comment    server    INFO    200    -    Client IP Address is 203.212.244.124    -    -    -    56.987    -    -    -    -    -    -    -
2017-05-11    17:00:06    UTC    comment    server    INFO    200    -    Client start time is Thu May 11 17:00:06 UTC 2017    -    -    -    56.987    -    -    -    -    -
2017-05-11    17:00:06    UTC    comment    server    INFO    200    -    Wowza Time Zone is "UTC"    -    -    -    56.988    -    -    -    -    -    -    -    -
2017-05-11    17:00:06    UTC    comment    server    WARN    200    -    HTTPStreamerCupertinoIndexPlaylist.indexFile[WCIWowzaEdge/_definst_/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e]: MediaList is empty.    -    -    -    56.988    -    -    -    -    -    -
#4

log

2017-05-11    17:00:06    UTC    comment    server    INFO    200    -    MediaStreamHTTPStreamerRepeaterPlay.startPlay[WCIWowzaEdge/_definst_/]    -    -    -    56.976    -    -    -
2017-05-11    17:00:06    UTC    connect    cupertino    INFO    200    1529027203    -    _defaultVHost_    WCIWowzaEdge    _definst_    56.976    54.243.65.138    1935    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8?promoCode=    203.212.244.124    http (cupertino)    -    VLC/2.2.1 LibVLC/2.2.1    1529027203    0    mobile1469_90f06e0a19b89b08a93c3ed91558891e    promoCode=    -    -    -    -    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8?promoCode=    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8    promoCode=    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8    promoCode=
2017-05-11    17:00:06    UTC    create    stream    INFO    200    wowz://54.197.245.15:1935/WCIWowza/_definst_/mobile1469_90f06e0a19b89b08a93c3ed91558891e    -    _defaultVHost_    WCIWowzaEdge    _definst_    0.002    54.243.65.138    1935    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8?promoCode=    203.212.244.124    http (cupertino)    -    VLC/2.2.1 LibVLC/2.2.1    1529027203    0    0    3    0    0    0    mobile1469_90f06e0a19b89b08a93c3ed91558891e    promoCode=    -    -    -    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8?promoCode=    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8    promoCode=    http://54.243.65.138:1935/WCIWowzaEdge/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e/playlist.m3u8    promoCode=
2017-05-11    17:00:06    UTC    comment    server    INFO    200    -    Validate URL is : http://54.197.245.15:1935/WCIWowza/validate/playlist.m3u8?eventId=1469&promoCode=&uniqueId=15290272056.977    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
2017-05-11    17:00:06    UTC    comment    server    INFO    200    -    

response code is 200

    -    -    -    56.986    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
2017-05-11    17:00:06    UTC    comment    server    INFO    200    -    HTTP Session with sessionId1529027203 accepted.    -    -    -    56.987    -    -    -    -    -    -
2017-05-11    17:00:06    UTC    comment    server    INFO    200    -    Client IP Address is 203.212.244.124    -    -    -    56.987    -    -    -    -    -    -    -
2017-05-11    17:00:06    UTC    comment    server    INFO    200    -    Client start time is Thu May 11 17:00:06 UTC 2017    -    -    -    56.987    -    -    -    -    -
2017-05-11    17:00:06    UTC    comment    server    INFO    200    -    Wowza Time Zone is "UTC"    -    -    -    56.988    -    -    -    -    -    -    -    -
2017-05-11    17:00:06    UTC    comment    server    WARN    200    -    HTTPStreamerCupertinoIndexPlaylist.indexFile[WCIWowzaEdge/_definst_/amlst:mobile1469_90f06e0a19b89b08a93c3ed91558891e]: MediaList is empty.    -    -    -    56.988    -    -    -    -    -    -

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