[mythtv-users] WebFrontend

Jgmtfia jgmtfia at gmail.com
Sun Jul 10 18:16:07 UTC 2022


On 2022-07-09 22:24, Bill wrote:
>> On 7/9/22 18:01, Jgmtfia wrote:
>>> Hello, need some help debugging 404 message on WebFrontend.
>>>
>>> Myth was compiled on a build machine with the --prefix flags: 
>>> --prefix=/root/mythtv/built --runprefix=/mythtv/latest
>>>
>>> When MythTV is installed on the Backend or Frontend clients, it is 
>>> installed into a dated directory, eg: 
>>> /mythtv/0.32-Fixes-20220709.150331, and a symlink is pointed to that 
>>> dated directory: /mythtv/latest
>>>
>>> The Troubleshooting section of WebFrontend suggests that I need to 
>>> create a environment variable for the webserver to find files under 
>>> symlinks
>>>
>>>      export MYTHCONFDIR=`readlink -e /mythtv/latest/share/mythtv/html/`
>>>
>>> To verify
>>>
>>>      #echo $MYTHCONFDIR
>>>      /mythtv/0.32-Fixes-20220709.150331/share/mythtv/html
>>>
>>> but I continue to get 404 errors at http://pvr:6544/.  Oddly enough 
>>> I get some output at the 6744 port shown in the logs, but it's 
>>> rendering/content is incomplete.  Any help is appreciated
>>>
>>> Here is a log of startup and access:
>>>
>>> mythbackend --verbose http 2>&1 | grep -i http
>>> 2022-07-09 16:40:45.024073 N  Enabled verbose msgs:  general http
>>> 2022-07-09 16:40:46.384308 N  HttpServer(): Max Thread Count 2
>>> 2022-07-09 16:40:46.384323 I  HttpServer() - SharePath = 
>>> /mythtv/latest/share/mythtv/
>>> 2022-07-09 16:40:46.384397 I  HttpServer: Registering Rtti extension
>>> 2022-07-09 16:40:46.389610 I  HttpServer: Registering Html extension
>>> 2022-07-09 16:40:46.389613 I  HttpServer: Registering HttpConfig 
>>> extension
>>> 2022-07-09 16:40:46.389619 I  HttpServer: Registering 
>>> InternetContent extension
>>> 2022-07-09 16:40:46.389715 I  HttpServer: Registering Myth extension
>>> 2022-07-09 16:40:46.389745 I  HttpServer: Registering Guide extension
>>> 2022-07-09 16:40:46.389783 I  HttpServer: Registering Content extension
>>> 2022-07-09 16:40:46.389905 I  HttpServer: Registering Dvr extension
>>> 2022-07-09 16:40:46.389943 I  HttpServer: Registering Channel extension
>>> 2022-07-09 16:40:46.389980 I  HttpServer: Registering Video extension
>>> 2022-07-09 16:40:46.389989 I  HttpServer: Registering Music extension
>>> 2022-07-09 16:40:46.390012 I  HttpServer: Registering Capture extension
>>> 2022-07-09 16:40:46.390030 I  HttpServer: Registering Image extension
>>> 2022-07-09 16:40:46.390861 I  HttpServer: Registering SSDP extension
>>> 2022-07-09 16:40:46.391771 I  HttpServer: Registering UPnpMSRR 
>>> extension
>>> 2022-07-09 16:40:46.391789 I  HttpServer: Registering UPnpCMGR 
>>> extension
>>> 2022-07-09 16:40:46.391823 I  HttpServer: Registering UPnpCDS extension
>>> 2022-07-09 16:40:46.398015 I  Main::Registering HttpStatus Extension
>>> 2022-07-09 16:40:46.398740 I  HttpServer: Registering HttpStatus 
>>> extension
>>> 2022-07-09 16:40:46.405237 I  HTTPPool: Using maximum 4 threads
>>> 2022-07-09 16:40:46.412234 I  HTTPServer: Adding path: '/assets/'
>>> 2022-07-09 16:40:46.412236 I  HTTPServer: Adding path: 
>>> '/assets/themes/'
>>> 2022-07-09 16:40:46.412237 I  HTTPServer: Adding path: 
>>> '/assets/themes/fonts/'
>>> 2022-07-09 16:40:46.412238 I  HTTPServer: Adding path: '/3rdParty/'
>>> 2022-07-09 16:40:46.412239 I  HTTPServer: Adding path: 
>>> '/3rdParty/primeicons-5.0.0/'
>>> 2022-07-09 16:40:46.412240 I  HTTPServer: Adding path: 
>>> '/3rdParty/primeicons-5.0.0/demo-files/'
>>> 2022-07-09 16:40:46.412241 I  HTTPServer: Adding path: 
>>> '/3rdParty/primeicons-5.0.0/raw-svg/'
>>> 2022-07-09 16:40:46.412243 I  HTTPServer: Adding path: 
>>> '/3rdParty/primeicons-5.0.0/fonts/'
>>> 2022-07-09 16:40:46.412244 I  HTTPServer: Adding path: 
>>> '/3rdParty/materialize/'
>>> 2022-07-09 16:40:46.412245 I  HTTPServer: Adding path: 
>>> '/3rdParty/materialize/js/'
>>> 2022-07-09 16:40:46.412246 I  HTTPServer: Adding path: 
>>> '/3rdParty/materialize/css/'
>>> 2022-07-09 16:40:46.412247 I  HTTPServer: Adding path: 
>>> '/3rdParty/materialicons/'
>>> 2022-07-09 16:40:46.412248 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/'
>>> 2022-07-09 16:40:46.412249 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryJScroll/'
>>> 2022-07-09 16:40:46.412250 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryUI/'
>>> 2022-07-09 16:40:46.412251 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryUI/js/'
>>> 2022-07-09 16:40:46.412252 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryUI/css/'
>>> 2022-07-09 16:40:46.412253 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryUI/css/images/'
>>> 2022-07-09 16:40:46.412254 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryContextMenu/'
>>> 2022-07-09 16:40:46.412255 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryContextMenu/js/'
>>> 2022-07-09 16:40:46.412256 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/galleria/'
>>> 2022-07-09 16:40:46.412257 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/galleria/plugins/'
>>> 2022-07-09 16:40:46.412258 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/galleria/plugins/history/'
>>> 2022-07-09 16:40:46.412259 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/galleria/plugins/picasa/'
>>> 2022-07-09 16:40:46.412260 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/galleria/plugins/flickr/'
>>> 2022-07-09 16:40:46.412261 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/galleria/themes/'
>>> 2022-07-09 16:40:46.412262 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/galleria/themes/classic/'
>>> 2022-07-09 16:40:46.412263 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryGrid/'
>>> 2022-07-09 16:40:46.412264 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryGrid/js/'
>>> 2022-07-09 16:40:46.412265 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryGrid/css/'
>>> 2022-07-09 16:40:46.412266 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryMultiSelect/'
>>> 2022-07-09 16:40:46.412267 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryMultiSelect/js/'
>>> 2022-07-09 16:40:46.412268 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryMultiSelect/css/'
>>> 2022-07-09 16:40:46.412269 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryFileTree/'
>>> 2022-07-09 16:40:46.412270 I  HTTPServer: Adding path: 
>>> '/3rdParty/jquery/jqueryFileTree/images/'
>>> 2022-07-09 16:40:46.412271 I  HTTPServer: Adding path: 
>>> '/3rdParty/fontawesome-free-5.15.1-web/'
>>> 2022-07-09 16:40:46.412272 I  HTTPServer: Adding path: 
>>> '/3rdParty/fontawesome-free-5.15.1-web/metadata/'
>>> 2022-07-09 16:40:46.412273 I  HTTPServer: Adding path: 
>>> '/3rdParty/fontawesome-free-5.15.1-web/svgs/'
>>> 2022-07-09 16:40:46.412274 I  HTTPServer: Adding path: 
>>> '/3rdParty/fontawesome-free-5.15.1-web/svgs/brands/'
>>> 2022-07-09 16:40:46.412275 I  HTTPServer: Adding path: 
>>> '/3rdParty/fontawesome-free-5.15.1-web/svgs/regular/'
>>> 2022-07-09 16:40:46.412276 I  HTTPServer: Adding path: 
>>> '/3rdParty/fontawesome-free-5.15.1-web/svgs/solid/'
>>> 2022-07-09 16:40:46.412277 I  HTTPServer: Adding path: 
>>> '/3rdParty/fontawesome-free-5.15.1-web/less/'
>>> 2022-07-09 16:40:46.412278 I  HTTPServer: Adding path: 
>>> '/3rdParty/fontawesome-free-5.15.1-web/scss/'
>>> 2022-07-09 16:40:46.412279 I  HTTPServer: Adding path: 
>>> '/3rdParty/fontawesome-free-5.15.1-web/webfonts/'
>>> 2022-07-09 16:40:46.412280 I  HTTPServer: Adding path: 
>>> '/3rdParty/fontawesome-free-5.15.1-web/js/'
>>> 2022-07-09 16:40:46.412281 I  HTTPServer: Adding path: 
>>> '/3rdParty/fontawesome-free-5.15.1-web/sprites/'
>>> 2022-07-09 16:40:46.412282 I  HTTPServer: Adding path: 
>>> '/3rdParty/fontawesome-free-5.15.1-web/css/'
>>> 2022-07-09 16:40:46.412283 I  HTTPServer: Adding path: '/css/'
>>> 2022-07-09 16:40:46.412284 I  HTTPServer: Adding path: '/images/'
>>> 2022-07-09 16:40:46.412285 I  HTTPServer: Adding path: 
>>> '/images/locale/'
>>> 2022-07-09 16:40:46.412286 I  HTTPServer: Adding path: 
>>> '/images/themes/'
>>> 2022-07-09 16:40:46.412287 I  HTTPServer: Adding path: '/images/icons/'
>>> 2022-07-09 16:40:46.412287 I  HTTPServer: Adding path: '/images/tv/'
>>> 2022-07-09 16:40:46.412288 I  HTTPServer: Adding path: '/js/'
>>> 2022-07-09 16:40:46.412289 I  HTTPServer: Adding path: '/misc/'
>>> 2022-07-09 16:40:46.412290 I  HTTPServer: Adding path: '/misc/js/'
>>> 2022-07-09 16:40:46.412291 I  HTTPServer: Adding path: '/misc/css/'
>>> 2022-07-09 16:40:46.412292 I  HTTPServer: Adding path: '/apps/'
>>> 2022-07-09 16:40:46.412293 I  HTTPServer: Adding path: '/apps/backend/'
>>> 2022-07-09 16:40:46.412294 I  HTTPServer: Adding path: '/xslt/'
>>> 2022-07-09 16:40:46.412295 I  HTTPServer: Adding path: '/'
>>> 2022-07-09 16:40:46.414008 I  HTTPServer: Adding service for '/Video/'
>>> 2022-07-09 16:40:46.414011 I  HTTPServer: Adding service for '/Myth/'
>>> 2022-07-09 16:40:46.414012 I  HTTPServer: Adding service for '/Dvr/'
>>> 2022-07-09 16:40:46.414013 I  HTTPServer: Adding service for 
>>> '/Content/'
>>> 2022-07-09 16:40:46.414015 I  HTTPServer: Adding service for '/Guide/'
>>> 2022-07-09 16:40:46.414016 I  HTTPServer: Adding service for 
>>> '/Channel/'
>>> 2022-07-09 16:40:46.414017 I  HTTPServer: Adding service for '/Status/'
>>> 2022-07-09 16:40:46.414018 I  HTTPServer: Adding service for 
>>> '/Capture/'
>>> 2022-07-09 16:40:46.414019 I  HTTPServer: Adding service for '/Music/'
>>> 2022-07-09 16:40:46.414020 I  HTTPServer: Adding service for '/Config/'
>>> 2022-07-09 16:40:46.414023 I  HTTPServer: Adding error page handler
>>> 2022-07-09 16:40:46.414027 I  HTTPServer: Adding handler for '/main.js'
>>> 2022-07-09 16:40:46.414028 I  HTTPServer: Adding handler for 
>>> '/styles.css'
>>> 2022-07-09 16:40:46.414029 I  HTTPServer: Adding handler for 
>>> '/polyfills.js'
>>> 2022-07-09 16:40:46.414030 I  HTTPServer: Adding handler for 
>>> '/runtime.js'
>>> 2022-07-09 16:40:46.414031 I  HTTPServer: Adding handler for '/'
>>> 2022-07-09 16:40:46.414118 I  HTTPServer: SSL is disabled
>>> 2022-07-09 16:40:46.420128 I  HTTPServer: Name resolution complete: 
>>> 20 'Hosts' found
>>> 2022-07-09 16:40:46.420129 I  HTTPServer: Host: 127.0.0.1
>>> 2022-07-09 16:40:46.420130 I  HTTPServer: Host: 127.0.0.1:6744
>>> 2022-07-09 16:40:46.420131 I  HTTPServer: Host: localhost
>>> 2022-07-09 16:40:46.420132 I  HTTPServer: Host: localhost:6744
>>> 2022-07-09 16:40:46.420133 I  HTTPServer: Host: [::1]
>>> 2022-07-09 16:40:46.420134 I  HTTPServer: Host: [::1]:6744
>>> 2022-07-09 16:40:46.420135 I  HTTPServer: Host: ip6-localhost
>>> 2022-07-09 16:40:46.420136 I  HTTPServer: Host: ip6-localhost:6744
>>> 2022-07-09 16:40:46.420136 I  HTTPServer: Host: 192.168.2.8
>>> 2022-07-09 16:40:46.420137 I  HTTPServer: Host: 192.168.2.8:6744
>>> 2022-07-09 16:40:46.420140 I  HTTPServer: Host: 
>>> [fe80::20c:29ff:fe66:d03e]
>>> 2022-07-09 16:40:46.420140 I  HTTPServer: Host: 
>>> [fe80::20c:29ff:fe66:d03e]:6744
>>> 2022-07-09 16:40:46.420141 I  HTTPServer: Host: pvr31
>>> 2022-07-09 16:40:46.420142 I  HTTPServer: Host: pvr31:6744
>>> 2022-07-09 16:40:46.420143 I  HTTPServer: Host: 192.168.2.46
>>> 2022-07-09 16:40:46.420144 I  HTTPServer: Host: 192.168.2.46:6744
>>> 2022-07-09 16:40:46.420189 I  HTTPServer: Name resolution complete: 
>>> 9 'Origins' found
>>> 2022-07-09 16:40:46.420191 I  HTTPServer: Allowed origin: 
>>> https://chromecast.mythtv.org
>>> 2022-07-09 16:40:46.420192 I  HTTPServer: Allowed origin: 
>>> http://192.168.2.46
>>> 2022-07-09 16:40:46.420192 I  HTTPServer: Allowed origin: 
>>> http://192.168.2.46:6544
>>> 2022-07-09 16:40:46.420193 I  HTTPServer: Allowed origin: 
>>> https://192.168.2.46
>>>
>>> <some lines with identifying domain name removed>
>>>
>>> 2022-07-09 16:40:46.420194 I  HTTPServer: Allowed origin: 
>>> https://192.168.2.46:6554
>>> 2022-07-09 16:40:46.420195 I  HTTPServer: Allowed origin: http://pvr31
>>> 2022-07-09 16:40:46.420195 I  HTTPServer: Allowed origin: 
>>> http://pvr31:6544
>>> 2022-07-09 16:40:52.274901 I  HttpWorker(52): New connection
>>> 2022-07-09 16:40:52.278885 I HTTPRequest::SendResponse(xml/html) () 
>>> :200 OK -> 192.168.2.53: 1
>>> 2022-07-09 16:40:52.302759 I  HttpWorker(55): New connection
>>> 2022-07-09 16:40:52.303196 I HTTPRequest::FormatFileResponse('') - 
>>> cannot find file
>>> 2022-07-09 16:40:52.303202 I HTTPRequest::SendResponse(xml/html) () 
>>> :404 Not Found -> 192.168.2.29: 2
>>
>> Try the original backend Services API port: 6544. 6744 is the default 
>> for testing the new backend  API & web pages and is still
>> in development in master (v33-Pre).
>>
>> MYTHCONFDIR stores the directory where config.xml (and lots of other 
>> things) live. https://www.mythtv.org/wiki/MYTHCONFDIR


Port 6544 is the port serving 404's.  6744 is the port which serves up 
partially complete pages with several grey pulsating squares that are 
never filled with information (See attachment). Should I be seeing more 
than this at this point?  (Maybe it's working as much as it's meant to 
on 6744 - see attachment)

For my clarity, the https://www.mythtv.org/wiki/WebFrontend page says to 
use port 6544, and the mythbackend log also shows 6744 is listening.  
Which is the correct port, or intended port for users to use?

I did change MYTHCONFDIR to explicitly point to where config.xml was - 
with no effect on the 404.  I did check to make sure MYTHCONFDIR was 
working as expected by pointing it to la-la-land and mythbackend failed 
to start.  So I am confident I set the environment variable correctly.
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