[mythtv-users] Can't download Artwork

[Damian]

On 28/04/2016 20:08, Marlon Buchanan wrote:
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>> ________________________________
>> From: Damian <myth at surr.co.uk>
>> To: Marlon Buchanan <marlonbuchanan at yahoo.com>; Discussion about mythtv <mythtv-users at mythtv.org>
>> Sent: Thursday, April 28, 2016 11:31 AM
>> Subject: Re: [mythtv-users] Can't download Artwork
>>
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>> On 28/04/2016 02:51, Marlon Buchanan wrote:
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>>>> ________________________________
>>>> From: Damian <myth at surr.co.uk>
>>>> To: Discussion about mythtv <mythtv-users at mythtv.org>
>>>> Sent: Wednesday, April 27, 2016 12:49 PM
>>>> Subject: Re: [mythtv-users] Can't download Artwork
>>>>
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>>>> On 27/04/2016 15:39, Damian wrote:
>>>>> Hi Everyone,
>>>>>
>>>>> OK, so I've got things set up on the backend. Just using the frontend
>>>>> on the same backend/server machine at the moment. I'll get the other
>>>>> frontends set up once it's all working.
>>>>>
>>>>> If I go into videos, and download meta data for a video, it's getting
>>>>> the data, but not the artwork. It's giving me the error:
>>>>>
>>>>> Failed to retrieve image(s)
>>>>> MythVideo
>>>>> See logs
>>>>>
>>>>> I've got Storage Group directories set up for Cover Art, Fan Art,
>>>>> Screenshots and Banners, and as far as I can tell, the permissions are
>>>>> all set up fine.
>>>>>
>>>>> What can be causing this?
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>>>>> And how do I look at whatever log it wants me to look at?
>>>>>
>>>>> Thanks,
>>>>> Damian
>>>>>
>>>> Update,
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>>>> I just triple checked the spellings of all of the entries in the Storage
>>>> Groups section in the backend setup. They all seem fine.
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>>>> And MythTV seems to be able to write to the storage settings that a set
>>>> up, because I gave them all the same ownership and permissions, and
>>>> watching live tv is working fine.
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>>>> Any ideas what's going on?
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>>>> Do the cover art, fan art and banner storage groups need to be different
>>>> in some way?
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>>>> Thanks,
>>>> Damian
>>>>
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>>>> MythTV Forums: https://forum.mythtv.org
>>>>
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>>> I'm not sure if it is a bug or storage groups for artwork work differently or what. But when I had this problem I looked at my logs and found that it was trying and failing to write artwork using a slave backend storage group (even though I hadn't defined the storage group on the slave backend, because I thought I wasn't supposed to). I fixed it by defining those artwork storage groups on that slave backend, which I don't do for any other storage groups. I don't know if that was the right fix, but it worked.
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>> Hi Marlon,
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>> I've only got one master backend, but Mythbutu seems to initially set up
>> a slave backend. I changed that to a master backend in the Mythbuntu
>> Control Centre, but maybe it left something behind?
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>> I've not had this problem before with any other MythTV install.
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>> Any clues for which log to look at and how to find the problem within it?
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>> Cheers,
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>> Damian
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> If it is the error I had, you'll have messages like after trying to get image metadata in the frontend you have messages about failed to write image file to a URL that contains an hostname or IP of backend that isn't your master backend. I'd look at your frontend log (or frontend output if you run mythfrontend from the command line) and see what messages you are getting when you try to download artwork. Even if this isn't the same issue as mine you'll get a better sense of what is going on.
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Well, that was strange!

It's fixed, but I don't know why! :-)

I noticed that SSH wasn't working, and realised that I hadn't set it up 
yet (I've been using VNC to connect to the headless server).

So, I opened up Mythbuntu Control Centre and went to the Services 
section. Sambe and VNC were set to 'enable'. SSH and NFS were set to 
'Disable'. I changed both SSH and NFS to 'enable', and then went into 
myth to try to solve the problem.

But there was no problem any more! The artwork is now downloading fine!

So, I don't know why, but all is well in the world.

Thanks to everyone who gave some advice.

Damian