8000 LG webOS lead to exceptions when HA tries to show preview · Issue #5113 · home-assistant/core · GitHub
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igrybkov opened this issue Dec 30, 2016 · 12 comments · Fixed by #6755
Closed

LG webOS lead to exceptions when HA tries to show preview #5113

igrybkov opened this issue Dec 30, 2016 · 12 comments · Fixed by #6755
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bug component regression

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@igrybkov
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Make sure you are running the latest version of Home Assistant before reporting an issue.

You should only file an issue if you found a bug. Feature and enhancement requests should go in the Feature Requests section of our community forum:

Home Assistant release (hass --version):
0.35.3

Python release (python3 --version):
3.4.2

Component/platform:

  • media_player.webostv

Description of problem:

HA cannot render a preview image for media_player.webostv component and an error appears in the log on every page refresh. The preview block is rendered on a dashboard but is blank.

Expected:
Preview is rendered correctly or not shown at all if not supported.

Problem-relevant configuration.yaml entries and steps to reproduce:

  • Add webostv platform to the list of media players:
- platform: webostv
  name: Living Room TV
  host: 192.168.1.190

Traceback (if applicable):

aiohttp.server: Error handling request
Traceback (most recent call last):
  File "/home/homeassistant/.homeassistant/deps/aiohttp/web_server.py", line 61, in handle_request
    resp = yield from self._handler(request)
  File "/home/homeassistant/.homeassistant/deps/aiohttp/web.py", line 249, in _handle
    resp = yield from handler(request)
  File "/usr/lib/python3.4/asyncio/coroutines.py", line 143, in coro
    res = yield from res
  File "/usr/lib/python3.4/asyncio/coroutines.py", line 143, in coro
    res = yield from res
  File "/srv/homeassistant/homeassistant_venv/lib/python3.4/site-packages/homeassistant/components/http/__init__.py", line 427, in handle
    result = yield from result
  File "/srv/homeassistant/homeassistant_venv/lib/python3.4/site-packages/homeassistant/components/media_player/__init__.py", line 783, in get
    request.app['hass'], player.media_image_url)
  File "/srv/homeassistant/homeassistant_venv/lib/python3.4/site-packages/homeassistant/components/media_player/__init__.py", line 729, in _async_fetch_image
    response = yield from websession.get(url)
  File "/home/homeassistant/.homeassistant/deps/aiohttp/client.py", line 530, in __iter__
    resp = yield from self._coro
  File "/home/homeassistant/.homeassistant/deps/aiohttp/client.py", line 173, in _request
    proxy=proxy, proxy_auth=proxy_auth, timeout=timeout)
  File "/home/homeassistant/.homeassistant/deps/aiohttp/client_reqrep.py", line 95, in __init__
    self.update_host(url)
  File "/home/homeassistant/.homeassistant/deps/aiohttp/client_reqrep.py", line 119, in update_host
    raise ValueError('Host could not be detected.')
ValueError: Host could not be detected.

Additional info:
I tried to debug the issue and added a logging of an image URL to the homeassistant/components/media_player/webostv.py:

    @property
    def media_image_url(self):
        """Image url of current playing media."""
        if self._current_source_id in self._app_list:
            _LOGGER.error("'" + self._app_list[self._current_source_id]['largeIcon'] + "'")
            return self._app_list[self._current_source_id]['largeIcon']
        return None

Log entries:

16-12-30 21:48:21 homeassistant.components.media_player.webostv: '/media/cryptofs/apps/usr/palm/applications/youtube.leanback.v4/youtube_leanback_v4_130x130.png' 16-12-30 21:51:01 homeassistant.components.media_player.webostv: '/usr/palm/plugins/inputapps/assets/medium/launcher/streamingbox.png'

There is no such path in my system but looks like there is a reason why it throws the exception: HTTP client cannot resolve a host of the local path. However, I don't know why does it resolve the path which does not exist in a system.

TV firmware:

  • version 05.05.55
  • webOS 1.4.0-2504 (afro-ashley)
@vassilis-panos
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vassilis-panos commented Dec 30, 2016 •
edited
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Same errors all the time.

16-12-30 23:21:43 aiohttp.server: Error handling request Traceback (most recent call last): File "/home/hass/.homeassistant/deps/aiohttp/web_server.py", line 61, in handle_request resp = yield from self._handler(request) File "/home/hass/.homeassistant/deps/aiohttp/web.py", line 249, in _handle resp = yield from handler(request) File "/usr/lib/python3.4/asyncio/coroutines.py", line 143, in coro res = yield from res File "/usr/lib/python3.4/asyncio/coroutines.py", line 143, in coro res = yield from res File "/srv/hass/hass_venv/lib/python3.4/site-packages/homeassistant/components/http/__init__.py", line 427, in handle result = yield from result File "/srv/hass/hass_venv/lib/python3.4/site-packages/homeassistant/components/media_player/__init__.py", line 783, in get request.app['hass'], player.media_image_url) File "/srv/hass/hass_venv/lib/python3.4/site-packages/homeassistant/components/media_player/__init__.py", line 729, in _async_fetch_image response = yield from websession.get(url) File "/home/hass/.homeassistant/deps/aiohttp/client.py", line 530, in __iter__ resp = yield from self._coro File "/home/hass/.homeassistant/deps/aiohttp/client.py", line 173, in _request proxy=proxy, proxy_auth=proxy_auth, timeout=timeout) File "/home/hass/.homeassistant/deps/aiohttp/client_reqrep.py", line 95, in __init__ self.update_host(url) File "/home/hass/.homeassistant/deps/aiohttp/client_reqrep.py", line 119, 8000 in update_host raise ValueError('Host could not be detected.') ValueError: Host could not be detected.

@mihaifireball
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I have the same errors:

17-01-13 20:15:51 aiohttp.server: Error handling request Traceback (most recent call last): File "/home/homeassistant/.homeassistant/deps/aiohttp/web_server.py", line 61, in handle_request resp = yield from self._handler(request) File "/home/homeassistant/.homeassistant/deps/aiohttp/web.py", line 249, in _handle resp = yield from handler(request) File "/usr/lib/python3.4/asyncio/coroutines.py", line 143, in coro res = yield from res File "/usr/lib/python3.4/asyncio/coroutines.py", line 143, in coro res = yield from res File "/srv/homeassistant/lib/python3.4/site-packages/homeassistant/components/http/__init__.py", line 427, in handle result = yield from result File "/srv/homeassistant/lib/python3.4/site-packages/homeassistant/components/media_player/__init__.py", line 783, in get request.app['hass'], player.media_image_url) File "/srv/homeassistant/lib/python3.4/site-packages/homeassistant/components/media_player/__init__.py", line 729, in _async_fetch_image response = yield from websession.get(url) File "/home/homeassistant/.homeassistant/deps/aiohttp/client.py", line 530, in __iter__ resp = yield from self._coro File "/home/homeassistant/.homeassistant/deps/aiohttp/client.py", line 173, in _request proxy=proxy, proxy_auth=proxy_auth, timeout=timeout) File "/home/homeassistant/.homeassistant/deps/aiohttp/client_reqrep.py", line 95, in __init__ self.update_host(url) File "/home/homeassistant/.homeassistant/deps/aiohttp/client_reqrep.py", line 119, in update_host raise ValueError('Host could not be detected.') ValueError: Host could not be detected.

@vassilis-panos vassilis-panos mentioned this issue Jan 25, 2017
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@infamy
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infamy commented Jan 25, 2017

Is this something that broke in a newer version or was never working?

@igrybkov
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I'm not so long with Home Assistant (from November 2016), but all this time the issue was present.

@mihaifireball
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I'm also using Home Assistant from December 2016, so I cant say if it is a new or old bug.

@anthonymcmenzie
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I have the same issue, have tried a lot of things to resolve but needs a fix from someone more knowledgeable I guess :-)

@vassilis-panos
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vassilis-panos commented Feb 28, 2017 •
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Now it's worse. My log file is huge because this message appears every 30''!

17-02-28 15:04:14 ERROR (MainThread) [aiohttp.server] Error handling request Traceback (most recent call last): File "/home/hass/.homeassistant/deps/aiohttp/web_server.py", line 62, in handle_request resp = yield from self._handler(request) File "/home/hass/.homeassistant/deps/aiohttp/web.py", line 270, in _handle resp = yield from handler(request) File "/srv/hass/hass_venv/lib/python3.4/site-packages/homeassistant/components/http/ban.py", line 57, in ban_middleware_handler return (yield from handler(request)) File "/usr/lib/python3.4/asyncio/coroutines.py", line 143, in coro res = yield from res File "/srv/hass/hass_venv/lib/python3.4/site-packages/homeassistant/components/http/__init__.py", line 417, in handle result = yield from result File "/srv/hass/hass_venv/lib/python3.4/site-packages/homeassistant/components/media_player/__init__.py", line 930, in get data, content_type = yield from player.async_get_media_image() File "/srv/hass/hass_venv/lib/python3.4/site-packages/homeassistant/components/media_player/__init__.py", line 470, in async_get_media_image return (yield from _async_fetch_image(self.hass, url)) File "/srv/hass/hass_venv/lib/python3.4/site-packages/homeassistant/components/media_player/__init__.py", line 876, in _async_fetch_image response = yield from websession.get(url) File "/home/hass/.homeassistant/deps/aiohttp/client.py", line 577, in __iter__ resp = yield from self._coro File "/home/hass/.homeassistant/deps/aiohttp/client.py", line 213, in _request proxy=proxy, proxy_auth=proxy_auth, timer=timer) File "/home/hass/.homeassistant/deps/aiohttp/client_reqrep.py", line 95, in __init__ self.update_host(url) File "/home/hass/.homeassistant/deps/aiohttp/client_reqrep.py", line 119, in update_host raise ValueError('Host could not be detected.') ValueError: Host could not be detected.

Also I'm getting this error:

17-02-28 14:47:51 WARNING (MainThread) [homeassistant.components.media_player] Updating webostv media_player took longer than the scheduled update interval 0:00:05

@masarliev
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here this property is file path on my TV. The only property that is URL is "icon"

@vassilis-panos vassilis-panos mentioned this issue Mar 15, 2017
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@ouchkilljoys
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This is a long shot but have you tried to encapsulate the name in ' ' like so

  • platform: webostv
    name: 'Living Room TV'
    host: 192.168.1.190

@migromao
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Im also affected. Latest ha 0401 and LG with latest firmeare 05050"".
Same symtms and same huge error log

@igrybkov
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@Matt2468 I've tried this and nothing changed, component still throws an error on every page refresh.

@vassilis-panos
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No one cares. I post this bug also in forums and gitter a long time ago. It's obvious that LG Web OS (any version) doesn't push a thumbnail to home assistant. Is it so difficult to disable this? My LG Web OS version 1 also has a problem with volume stepping. It increases or decreases the volume by two points a time and sometimes by ten! Lately, I found that WebOS notification component isn't working without setup WebOS media player. So, if I disable the problematic WebOS media player I miss notifications also.

This was referenced Mar 23, 2017
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Fix for errors on missing preview on LG webos TV
Fix for errors on missing preview on LG webos TV
8 participants
@infamy @igrybkov @masarliev @vassilis-panos @migromao @anthonymcmenzie @mihaifireball @ouchkilljoys
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