AutoMap XML Error

[arud01ph]

Hi,

I recently replaced my IPTV provider and am experiencing an issue when automapping the new XMLTV file.
I can manually map a channel on the Settings/Channel page, however I am getting an object reference error in the log during the AutoMap process.

Log snip...
2021-11-20 11:18:37.537 [DEBUG][24] Got request [192.168.1.9]: /services/service (setting.epg.automap)
2021-11-20 11:18:37.538 [DEBUG][24] method=setting.epg.automap
2021-11-20 11:18:37.539 [DEBUG][24] parameters:
2021-11-20 11:18:37.539 [DEBUG][24]   method: setting.epg.automap
2021-11-20 11:18:37.540 [DEBUG][24]   format: json
2021-11-20 11:18:37.540 [DEBUG][24]   type: ATSC
2021-11-20 11:18:37.541 [DEBUG][24]   source: xmltv--1774079704
2021-11-20 11:18:37.541 [DEBUG][24]   prefer: default
2021-11-20 11:18:37.541 [DEBUG][24]   sid: dbe4019f-7385-4bba-8801-223206849561
2021-11-20 11:18:37.542 [DEBUG][24]   client_ip: 192.168.1.9
2021-11-20 11:18:37.542 [DEBUG][24]   user_agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36
2021-11-20 11:18:37.543 [DEBUG][24]   host_callback: ...
2021-11-20 11:18:37.543 [DEBUG][24] setting.epg.automap
2021-11-20 11:18:37.561 [DEBUG][24] CaptureSource.LoadAll()
2021-11-20 11:18:37.580 [DEBUG][24] Loading XMLTV from: D:\NextPVR.Versions\m3u_temp\A.xml
2021-11-20 11:18:38.237 [ERROR][24] System.NullReferenceException: Object reference not set to an instance of an object.
  at NShared.XmltvEPGSource.GetSuggestedMapping(Channel channel, List`1 mappings, String tvgID)
  at NShared.Extend.SettingsRequestHandler.AutoMapChannels(Dictionary`2 parameters)
  at NShared.Extend.SettingsRequestHandler.HandleRequest(String method, Dictionary`2 parameters)
  at NShared.Extend.PluginFactory.HandleRequest(ServiceResponseStream serviceResponseStream, Dictionary`2 parameters)
  at NPVR5.Controllers.ServicesController.HandleServiceRequest(String body, String contentType)

The xml provided has a couple of differences as compared to the last.
 - Missing <!DOCTYPE tv SYSTEM "xmltv.dtd">
 - A number of channels are missing the <icon src> tag, including the first entry

Modified the XML by:
   - Add the missing DOCTYPE
   - Only included:
      - 7 channels containing the <icon src> child
      - Removed all but a few <programme> entries to narrow the cause

Manually mapping from this modified file works.
On AutoMap it doesn't throw a null exception now, however nothing was found?
2021-11-20 11:39:49.270 [DEBUG][50] CaptureSource.LoadAll()

2021-11-20 11:39:49.276 [DEBUG][50] Loading XMLTV from: D:\NextPVR.Versions\m3u_temp\A.xml
2021-11-20 11:39:49.883 [DEBUG][50] AutoMap found matches for 0 channels
2021-11-20 11:39:49.883 [DEBUG][50] {"stat":"ok"}

Hope the observations/research helps.  If there is anything else I can try or info I can provide...

Thank you!

[mvallevand]

I don't know about type ATSC, I would think the strategy is IPTV

2021-11-20 11:18:37.540 [DEBUG][24] type: ATSC
2021-11-20 11:18:37.541 [DEBUG][24] prefer: default

and it should be prefer Names

Martin

[sub]

Its' not clear to me why you might be getting the NullReferenceException. If you want to supply the A.xml, I can take a look. It's fine for the DOCTYPE to missing.

I recently replaced my IPTV provider and am experiencing an issue when automapping the new XMLTV file.

Realistically, when this type of change happens with IPTV, it's usually easier to delete the IPTV source and re-add it. IPTV channels often have names that don't match the names in the XMLTV files, so it's usually best to recreate the source, and it uses the tvg-id in the m3u source to do the mapping, which is a different process than trying to map by name.

[arud01ph]

[attachment=undefined][attachment=undefined]mvallevand:
I have an ATSC dongle too...
When I changed providers, I started from scratch/fresh data folder.
OK!  Mapping by channel name worked from the modified xml

sub:
Attached non-modified xml (edit - Thought I attached it... trying again)

[sub]

sub:
Attached non-modified xml (edit - Thought I attached it... trying again)

Attachements need to be zipped. There is a size limit though, so if it's a big file, you typically need to put it somewhere like one drive / google drive etc, and just share the download link.

[arud01ph]

It was too big, yes.  Here's a link.

https://drive.google.com/file/d/15TORBUw...sp=sharing

[arud01ph]

The XML is malformed from the provider.
Lame. Working on parsing it.

Thanks for the suggestions guys.

-Adam