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Thread: DVR failes in edge server

  1. #1

    Default DVR failes in edge server

    Hi,
    We use transcoding to support multiple bitrates.
    We create a smil file, problematically, in shared disc so all edge servers can access the smil file once the stream transcoded on the origin using ILiveStreamTranscoderActionNotify:nRegisterStreamNameGroup.
    We play the stream using smil url: http://wowza-edge.dev/kLive/p/smil:0...nifest.f4m?DVR
    The stream failed on HTTP 404 on the following url: http://wowza-edge.dev/kLive/p/smil:0...st/Seg1-Frag10

    It works fine if I remove the ?DVR and stream it with non-dvr player.

    In the logs a see on the edge server:
    [2013-12-26 16:25:46] ERROR - "DvrStreamStoreBase.retrieveChunkFromRepeater[kLive/p/0_bzkhknn5_33/0_bzkhknn5_33.0] : e:HTTPDvrRawChunkReader.open: Invalid HTTP status[403]: http://wowza-01.dev:1935/kLive/0_bzkhknn5_33.0/ChunkTypes(9)/ChunkIndexes(24).dvr" - (WMSLogger.java:197)
    [2013-12-26 16:25:46] ERROR - "DvrStreamStoreBase.retrieveChunkFromRepeater[kLive/p/0_bzkhknn5_33/0_bzkhknn5_33.0] : e:HTTPDvrRawChunkReader.open: Invalid HTTP status[403]: http://wowza-02.dev:1935/kLive/0_bzkhknn5_33.0/ChunkTypes(9)/ChunkIndexes(24).dvr" - (WMSLogger.java:197)
    [2013-12-26 16:25:46] WARN - "DvrStreamStoreBase.retrieveChunkFromRepeater[kLive/p/0_bzkhknn5_33/0_bzkhknn5_33.0] : Unable to get DVR chunks from any of the origin urls:" - (WMSLogger.java:197)
    [2013-12-26 16:25:46] WARN - "DvrStreamStoreBase.retrieveChunkFromRepeater[kLive/p/0_bzkhknn5_33/0_bzkhknn5_33.0] : url: wowz://wowza-01.dev:1935/kLive/p/0_bzkhknn5_33.0" - (WMSLogger.java:197)
    [2013-12-26 16:25:46] WARN - "DvrStreamStoreBase.retrieveChunkFromRepeater[kLive/p/0_bzkhknn5_33/0_bzkhknn5_33.0] : url: wowz://wowza-02.dev:1935/kLive/p/0_bzkhknn5_33.0" - (WMSLogger.java:197)
    [2013-12-26 16:25:46] WARN - ".getDvrSanJoseFragments: null video chunk chunkIndex=24" - (WMSLogger.java:197)
    [2013-12-26 16:25:46] ERROR - "DvrStreamStoreBase.retrieveChunkFromRepeater[kLive/p/0_bzkhknn5_33/0_bzkhknn5_33.0] : e:HTTPDvrRawChunkReader.open: Invalid HTTP status[403]: http://wowza-01.dev:1935/kLive/0_bzkhknn5_33.0/ChunkTypes(8)/ChunkIndexes(24).dvr" - (WMSLogger.java:197)
    [2013-12-26 16:25:46] ERROR - "DvrStreamStoreBase.retrieveChunkFromRepeater[kLive/p/0_bzkhknn5_33/0_bzkhknn5_33.0] : e:HTTPDvrRawChunkReader.open: Invalid HTTP status[403]: http://wowza-02.dev:1935/kLive/0_bzkhknn5_33.0/ChunkTypes(8)/ChunkIndexes(24).dvr" - (WMSLogger.java:197)
    [2013-12-26 16:25:46] WARN - ".getDvrSanJoseFragments: null audio chunk chunkIndex=24" - (WMSLogger.java:197)
    [2013-12-26 16:25:46] WARN - "HTTPStreamerAdapterSanJoseStreamer.onMediaFile: Chunk:25 not found [kLive/p/smil:0_bzkhknn5_all.smil/DVR_b475136_w968427901_qRFZS.abst/Seg1-Frag26]: 0_bzkhknn5_33." - (WMSLogger.java:197)
    On the origin server:
    [2013-12-26 16:27:03] WARN - "HTTPStreamerAdapterDvrChunkStreamer.getRawChunks[kLive/_definst_/0_bzkhknn5_33/0_bzkhknn5_33.0]: No DVR Store found." - (WMSLogger.java:197)
    [2013-12-26 16:27:03] WARN - "HTTPStreamerAdapterDvrChunkStreamer.onDvrChunk[kLive/0_bzkhknn5_33.0/ChunkTypes(9)/ChunkIndexes(24).dvr] : 403 : Unable to repeat: 0_bzkhknn5_33.0." - (WMSLogger.java:197)
    [2013-12-26 16:27:04] WARN - "HTTPStreamerAdapterDvrChunkStreamer.getRawChunks[kLive/_definst_/0_bzkhknn5_33/0_bzkhknn5_33.0]: No DVR Store found." - (WMSLogger.java:197)
    [2013-12-26 16:27:04] WARN - "HTTPStreamerAdapterDvrChunkStreamer.onDvrChunk[kLive/0_bzkhknn5_33.0/ChunkTypes(8)/ChunkIndexes(24).dvr] : 403 : Unable to repeat: 0_bzkhknn5_33.0." - (WMSLogger.java:197)
    Should DVR work with HDS using smil file of multiple bitrates?

    Thanks,
    T.

  2. #2
    Join Date
    May 2013
    Posts
    680

    Default

    Refer to ticket #76763

  3. #3

    Default

    It seems that the issue caused by mixed environment of Centos and Ubuntu with a shared disc, that caused the owner to be nobody and nogroup instead of root.
    Resolution found here: http://kernel01.livejournal.com/3368.html

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