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Thread: Origin-Egde nDVR MediaCache

  1. #1
    Join Date
    Aug 2012
    Posts
    5

    Default Origin-Egde nDVR MediaCache

    Hello.

    I already read http://www.wowza.com/forums/showthre...DVR-MediaCache post.

    I hvae same problem.

    The error message is
    ==> wowzamediaserver_access.log <==
    2012-08-29	10:49:03	comment	-	-	11.957	-	200	-	-	-	MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(9)/ChunkIndexes(34548).dvr).
    2012-08-29	10:49:03	comment	-	-	11.958	-	200	-	-	-	MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(9)/ChunkIndexes(34548).dvr).
    2012-08-29	10:49:03	comment	-	-	11.967	-	200	-	-	-	MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(8)/ChunkIndexes(34548).dvr).
    2012-08-29	10:49:03	comment	-	-	11.968	-	200	-	-	-	MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(8)/ChunkIndexes(34548).dvr).
    2012-08-29	10:49:03	comment	-	-	12.154	-	200	-	-	-	MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(9)/ChunkIndexes(34549).dvr).
    2012-08-29	10:49:03	comment	-	-	12.155	-	200	-	-	-	MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(9)/ChunkIndexes(34549).dvr).
    2012-08-29	10:49:03	comment	-	-	12.163	-	200	-	-	-	MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(8)/ChunkIndexes(34549).dvr).
    2012-08-29	10:49:03	comment	-	-	12.164	-	200	-	-	-	MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(8)/ChunkIndexes(34549).dvr).
    
    ==> wowzamediaserver_error.log <==
    WARN	server	comment	2012-08-29	10:49:03	-	-	-	-	-	11.957	-	-	-	-	-	-      MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(9)/ChunkIndexes(34548).dvr).
    WARN	server	comment	2012-08-29	10:49:03	-	-	-	-	-	11.958	-	-	-	-	-	-      MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(9)/ChunkIndexes(34548).dvr).
    WARN	server	comment	2012-08-29	10:49:03	-	-	-	-	-	11.967	-	-	-	-	-	-      MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(8)/ChunkIndexes(34548).dvr).
    WARN	server	comment	2012-08-29	10:49:03	-	-	-	-	-	11.968	-	-	-	-	-	-      MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(8)/ChunkIndexes(34548).dvr).
    WARN	server	comment	2012-08-29	10:49:03	-	-	-	-	-	12.154	-	-	-	-	-	-      MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(9)/ChunkIndexes(34549).dvr).
    WARN	server	comment	2012-08-29	10:49:03	-	-	-	-	-	12.155	-	-	-	-	-	-      MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(9)/ChunkIndexes(34549).dvr).
    WARN	server	comment	2012-08-29	10:49:03	-	-	-	-	-	12.163	-	-	-	-	-	-      MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(8)/ChunkIndexes(34549).dvr).
    WARN	server	comment	2012-08-29	10:49:03	-	-	-	-	-	12.164	-	-	-	-	-	-      MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(8)/ChunkIndexes(34549).dvr).
    but the response on origin is 200 success.
    2012-08-29	10:49:00	connect	http (dvr)	-	69385.46	118.219.59.37	200	0	http://[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(9)/ChunkIndexes(34534).dvr	-	-
    2012-08-29	10:49:00	create	http (dvr)	-	0.001	118.219.59.37	200	0	http://[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(9)/ChunkIndexes(34534).dvr	-	-
    2012-08-29	10:49:00	play	http (dvr)	-	0.001	118.219.59.37	200	0	http://[wowza-ip-address]:1935/live_mbc/1m.0/ChunkTypes(9)/ChunkIndexes(34534).dvr	-	-
    Please help.

  2. #2
    Join Date
    May 2011
    Posts
    456

    Default

    Which version of Wowza Server and Media Cache are you using? If you are not using the latest version of Media Cache, please upgrade to the latest version and re-test. The latest version is build 1789 and the version information is recorded in the wowzamediaserver_access.log. If your problem persists, please send a zip of [install-dir]/conf and logs directories and a detailed description of your setup to support@wowza.com referencing this thread.

    -Lisa

  3. #3
    Join Date
    Sep 2012
    Posts
    8

    Default

    I have run into the same issue

    WARN server comment - MediaCache.createNewCachItem: Cannot find MediaCacheSource for (dvrorigin/live2.lab1.company.com:21935/dvr-origin/dvr-stream.0/ChunkTypes(9)/ChunkIndexes(4709).dvr).

    I am running an edge/origin configuration and followed the instructions from http://www.wowza.com/forums/content....wza-nDVR-AddOn

    Wowza Server version is 3.1.2
    MediaCache version build 1789

    thanks,
    Erik

  4. #4
    Join Date
    May 2011
    Posts
    456

    Default

    I have seen this when there is a configuration error, such as application name is missing from the URL in Repeater/OriginURL in Application.xml or wrong URL or when the mediacache directories are not populated. If you send a zip of [install-dir]/conf and logs directories, plus your MediaCache.xml file for both your origin server and edge server, we can take a closer look.

    -Lisa

  5. #5
    Join Date
    May 2011
    Posts
    456

    Default

    Also, there needs to be a MediaCacheSource for the dvr origin defined in [install-dir]/conf/MediaCache.xml on the edge server. Here is an example:
    <!-- dvr repeater -->
    		<MediaCacheSource>
    			<Name>dvrorigin</Name>
    			<BasePath>http://</BasePath>
    			<Prefix>dvrorigin/</Prefix>
    			<BaseClass>com.wowza.wms.plugin.mediacache.impl.MediaCacheItemHTTPImpl</BaseClass>
    			<ReaderClass></ReaderClass>
    			<DefaultBlockSize>262144</DefaultBlockSize>
    			<MaxTimeToLive>1200000</MaxTimeToLive>
    			<MinTimeToLive>600000</MinTimeToLive>
    			<ReadAhead>true</ReadAhead>
    			<ReadAheadThreshold>50</ReadAheadThreshold>
    			<IsPassThru>false</IsPassThru>
    			<Properties>
    				<Property>
    					<Name>httpReadTimeout</Name>
    					<Value>3000</Value>
    					<Type>Integer</Type>
    				</Property>
    			</Properties>
    		</MediaCacheSource>
    -Lisa

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