# Error message for Media cache on caption
**URL:** https://community.wowza.com/t/error-message-for-media-cache-on-caption/46411
**Category:** Wowza Streaming Engine
**Created:** [February 17, 2016, 5:28pm UTC](https://community.wowza.com/t/error-message-for-media-cache-on-caption/46411 "2016-02-17T17:28:31Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@monica\_fu](https://community.wowza.com/u/monica_fu)
#### Post date: [February 17, 2016, 5:28pm UTC](https://community.wowza.com/t/error-message-for-media-cache-on-caption/46411/1 "2016-02-17T17:28:31Z")
Hi,
I’m working on add TTML subtitle for HLS vod streaming on wowza engine.
So far we are using Wowza engine 4.4 and HLS v4.
The subtitle is added in SMIL file like following :
```auto
```
The Application conf file code related :
```auto
vodcaptionproviderttml
cupertinoVODCaptionsUseWebVTT
Boolean
true
```
I find some error messages in access log :
```auto
ERROR server comment 2016-02-17 15:07:34 - - - - - 0.752 - - - - - - - - MediaCacheItemFile.init (/data/wowza/content/vipo/he9/4979/497858/000000717117.ttml) : java.io.FileNotFoundException: /data/wowza/content/vipo/he9/4979/497858/000000717117.ttml (No such file or directory)|at java.io.RandomAccessFile.open0(Native Method)|at java.io.RandomAccessFile.open(RandomAccessFile.java:316)|at java.io.RandomAccessFile.(RandomAccessFile.java:243)|at com.wowza.io.WowzaRandomAccessFile.(WowzaRandomAccessFile.java:12)|at com.wowza.wms.mediacache.impl.MediaCacheItemFileImpl.init(MediaCacheItemFileImpl.java:209)|
WARN server comment 2016-02-17 15:07:34 - - - - - 0.755 - - - - - - - - MediaCacheItemBase.init: Item does not exist: vipo/he9/4979/497858/000000717117.ttml
```
And the link we use is : http://[HOSTNAME]/vipo/_definst_/smil:vipo/he9/4979/497858/mps\_000000717117.smil/playlist.m3u8
As we have a cache source at /data/wowza/content/vipo/, I think wowza server added 000000717117.ttml as default ttml while the actual ttml file is named 215881.ttml. As a result, Media cache cannot find the subtitle file so the error message appeared.
Is there a way to disable this message?
Or is there a way to add the real ttml file path to wowza? I’ve tried captionFileNamingRule and captionPathNamingRule but I’m not sure the value. The ttml file is at the same folder with mp4 file, but the file name are different.
Thanks,
Monica
---
### Author:  [@Paul\_Shields](https://community.wowza.com/u/Paul_Shields)
#### Post date: [April 1, 2016, 3:52pm UTC](https://community.wowza.com/t/error-message-for-media-cache-on-caption/46411/2 "2016-04-01T15:52:34Z")
Hi Monica,
Wowza will automatically look for a closed caption file that is the filename.[caption-extension]. If it doesn’t exist it may log that fact. This is normal and you can ignore those messages if you don’t actually have any filename.caption files. Wowza should use the textstream source in the smil defintion so long as the file exists and is locatable (basically place it in the place as your smil file).
Paul