Deleted Channels Throw An Error When Refreshing Subscription Feed

[PeterHindes]

Using the latest version. If the user imports a subscription list with a deleted chaneel such as

results in a null pointer exception as a snack-bar error.

Exception

• User Action: requested feed
• Request: Loading feed
• Content Language: US
• Service: none
• Version: 0.19.0
• OS: Linux Android 10 - 29

Crash log

org.schabi.newpipe.local.feed.service.FeedLoadService$RequestException: 0:https://www.youtube.com/channel/UCcNE9TRcOCOoOB0Dy5ediPg
	at org.schabi.newpipe.local.feed.service.FeedLoadService$startLoading$7.apply(FeedLoadService.kt:220)
	at org.schabi.newpipe.local.feed.service.FeedLoadService$startLoading$7.apply(FeedLoadService.kt:63)
	at io.reactivex.internal.operators.parallel.ParallelMap$ParallelMapSubscriber.onNext(ParallelMap.java:113)
	at io.reactivex.internal.operators.parallel.ParallelFilter$ParallelFilterSubscriber.tryOnNext(ParallelFilter.java:130)
	at io.reactivex.internal.operators.parallel.ParallelRunOn$RunOnConditionalSubscriber.run(ParallelRunOn.java:397)
	at io.reactivex.internal.schedulers.ScheduledRunnable.run(ScheduledRunnable.java:66)
	at io.reactivex.internal.schedulers.ScheduledRunnable.call(ScheduledRunnable.java:57)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:301)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:923)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String org.jsoup.nodes.Element.text()' on a null object reference
	at org.schabi.newpipe.extractor.services.youtube.extractors.YoutubeFeedExtractor.getId(YoutubeFeedExtractor.java:53)
	at org.schabi.newpipe.extractor.feed.FeedInfo.getInfo(FeedInfo.java:39)
	at org.schabi.newpipe.util.ExtractorHelper.lambda$getFeedInfoFallbackToChannelInfo$6(ExtractorHelper.java:149)
	at org.schabi.newpipe.util.-$$Lambda$ExtractorHelper$ugdV6CfeDCyyO_ocIIpHyBlriuE.call(Unknown Source:4)
	at io.reactivex.internal.operators.maybe.MaybeFromCallable.subscribeActual(MaybeFromCallable.java:46)
	at io.reactivex.Maybe.subscribe(Maybe.java:4154)
	at io.reactivex.internal.operators.maybe.MaybeSwitchIfEmptySingle.subscribeActual(MaybeSwitchIfEmptySingle.java:45)
	at io.reactivex.Single.subscribe(Single.java:3438)
	at io.reactivex.Single.blockingGet(Single.java:2699)
	at org.schabi.newpipe.local.feed.service.FeedLoadService$startLoading$7.apply(FeedLoadService.kt:210)
	... 11 more

---

[PeterHindes]

Expected behavior is to notify the user and ask them to delete the channel from their subscriptions.

[PeterHindes]

Page In Question

[opusforlife2]

@mauriciocolli Have a look.

[Mhowser]

I have the same problem. I have 2 or 3 nonexistent channels without any easy way to remove them.

[Stypox]

@Mhowser you can long press on channels you want to unsubscribe from in the subscription tab

[Mhowser]

I know that, it gives no clear indication if the channel is deleted on YouTube. I would need to manually check all 200+ channels that I have.

#3313 (comment) this is a preferred solution. Another solution would be displaying a warning sign next to the deleted channel in the channel list.

[opusforlife2]

Another solution would be displaying a warning sign next to the deleted channel in the channel list.

I was about to suggest this. Feed refresh is the only time when the app queries all the channels for new videos one by one. That is the optimal way to alert the user about deleted channels.

[BigClarky]

Sorry if this is considered off topic, how would I go about removing a deleted channel?

[Atemu]

I'm not sure if that's how I did it when I came across this bug but perhaps you can long-press on the deleted channel in your subscriptions overview and unsubscribe that way?

[BigClarky]

I'm not sure if that's how I did it when I came across this bug but perhaps you can long-press on the deleted channel in your subscriptions overview and unsubscribe that way?

I had so scroll a bit but that seems to have worked, thanks.

[MD77MD]

any updates,

"Another solution would be displaying a warning sign next to the deleted channel in the channel list."

i like this solution, also we can make newpipe creat a separate group with those problematic channels for the user to decide later. thus whenever newpipe faces a problem with a channel would just dump it there and keep the experience clean