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Hi,

We use about ten Android tablets running Firefox in our shop for our employees to enter on a webpage daily some informations. Tablets are programmed to keep display active 24h/7d, firefox is pinned so the app stay opened and users don't go to other app. The extension LeechBlock NG prevent users from accessing other webistes. Everything work well except on mondays morning.

Without fault first person to try to connect on the website will see the app crash to the desktop. Since the app is pinned user will have to wait for a supervisor to come in and unpin the crashed (and invisible) app, re-launch it and pin it. Then it will work all week without issue as long as the tablet is used at least once a day. We recently added a new tablet which is used less than others and that one does crash during the week but never twice in same day. Here's the crash report that we have (I checked multiples tablets and they all share the same crash code):

99526033-8b07-4d48-9ea2-bf4b81157f56 mozilla.appservices.places.uniffi.PlacesApiException$UnexpectedPlacesException: reason=Invalid metadata observation: Observed view time is invalid (too long)

mozilla.appservices.places.uniffi.PlacesApiException$UnexpectedPlacesException: reason=Invalid metadata observation: Observed view time is invalid (too long)

at mozilla.appservices.places.uniffi.FfiConverterTypePlacesApiError.read(places.kt:21)
at mozilla.appservices.places.uniffi.FfiConverterTypePlacesApiError.read(places.kt:1)
at mozilla.appservices.places.uniffi.FfiConverter$DefaultImpls.liftFromRustBuffer(places.kt:13)
at mozilla.appservices.places.uniffi.FfiConverterRustBuffer$DefaultImpls.liftFromRustBuffer(places.kt:6)
at mozilla.appservices.places.uniffi.FfiConverterTypePlacesApiError.liftFromRustBuffer(places.kt:2)
at mozilla.appservices.places.uniffi.FfiConverterTypePlacesApiError.liftFromRustBuffer(places.kt:1)
at mozilla.appservices.places.uniffi.FfiConverterRustBuffer$DefaultImpls.lift(places.kt:7)
at mozilla.appservices.places.uniffi.FfiConverterTypePlacesApiError.lift(places.kt:3)
at mozilla.appservices.places.uniffi.FfiConverterTypePlacesApiError.lift(places.kt:2)
at mozilla.appservices.places.uniffi.PlacesApiException$ErrorHandler.lift(places.kt:2)
at mozilla.appservices.places.uniffi.PlacesApiException$ErrorHandler.lift(places.kt:1)
at mozilla.appservices.places.uniffi.PlacesConnection.noteHistoryMetadataObservation(places.kt:162)
at mozilla.appservices.places.PlacesWriterConnection.noteHistoryMetadataObservation(PlacesConnection.kt:19)
at mozilla.components.browser.storage.sync.PlacesHistoryStorage$noteHistoryMetadataObservation$2.invokeSuspend(PlacesHistoryStorage.kt:63)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:9)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:107)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:923)
Suppressed: kotlinx.coroutines.DiagnosticCoroutineContextException: [StandaloneCoroutine{Cancelling}@57af652, java.util.concurrent.Executors$FinalizableDelegatedExecutorService@1d40d23]

Wondering if someone can help me decypher this to fix/prevent it. Is it the extension or browser itself that cause the crash if the page hasn't changed long enough? Thanks for suggestions (I will not consider "have you tried without the extension" as a valid suggestion)

firefox for iOS 113.2 iOS 16.5 iPhone 8+

okay, so: this has only been an issue since i updated to iOS 16.5. i can open firefox for iOS without issue, and i think if i just tapped into the search bar that might be fine? (unclear.) but what i know is that as soon as i try to type in the search bar, the app crashes! how can i fix this?

Hello Since few week I’m not able to use fiorefox on my iOS devices (iOS 16.5). The application is unusable :( it crashes in few seconds even if I don’t try to open new tabs. I tried to remove the app and reinstall again Firefox but without success at the moment I have the version 114.3. Do you have any suggestions on what I can try? I don’t know if this can help but Firefox focus and DuckDuckGo browser are working fine on my devices (I guess they share a good amount of the Firefox source code)

Thanks a lot Andrea

My Firefox on my iPad alsways crashes when I try to select a synched tabs from another Firefox on a different device. The tabs from the other devices show up and the sync is always up to date, but the windows does not react on any interaction, instead the Browser crashes after about 1 minute of inresponsiveness and returns to the home screen of my iPad. I already discenneted and reconnected the Firefox account used for sync on this browser, it did not help. I use the same Firefox version on my iPhone and that does not have this issues, selecting tabs from other devices works as intended.

Firefox version: 114.3 (31916) iPad OS: 16.5.1 (did not work in iPadOS 16.5. either)

I have an Iphone 11 Pro with iOS version 16.5.1, and I have been having some problems with the Firefox app. I have a number of tabs on my browser, with some of them being very old. I was trying to clear some of them up and I noticed that a good portion of them will not load. Even though I can see their titles in the tab, when I select them, only a blank white page loads up, not even with a URL bar, so I am unable to reload the site. When I try to tap on the tab for longer than a few seconds to bring up additional options, the whole app crashes.

What can be done about this?

Firefox on iOS crashed when I toggles the inactive tabs button on and off and I had about 48 tabs as well 300 + private tabs open for years and when I clicked on the restore tabs button, it did not work and nothing came back. Can you please help me restore the session? I really need those private tabs back so I can save them accordingly. The history is there for the normal tabs but the private ones are the ones I really need back. I just need to be able to restore that session. I can provide log files as needed. I would really appreciate it. Thank you.

Firefox Android just crashed when opening a bunch of bookmarks and then again every time I wanted to report a crash. I hope someone here can forward this to whoever usually receives the crash reports.

1cb54f1f-11f5-4fa7-9d97-b4bf58d29ac2 java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference

java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference at java.lang.String.valueOf(String.java:2924) at java.lang.StringBuilder.append(StringBuilder.java:132) at java.lang.Throwable.printEnclosedStackTrace(Throwable.java:709) at java.lang.Throwable.printStackTrace(Throwable.java:674) at java.lang.Throwable.printStackTrace(Throwable.java:735) at mozilla.components.support.base.ext.ThrowableKt.getStacktraceAsString$default(Throwable.kt:19) at mozilla.components.lib.crash.service.MozillaSocorroService.sendCrashData(MozillaSocorroService.kt:607) at mozilla.components.lib.crash.service.MozillaSocorroService.sendReport$lib_crash_release(MozillaSocorroService.kt:285) at mozilla.components.lib.crash.service.MozillaSocorroService.report(MozillaSocorroService.kt:5) at mozilla.components.lib.crash.CrashReporter$submitReport$2.invokeSuspend(CrashReporter.kt:70) at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:9) at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:112) at kotlinx.coroutines.internal.LimitedDispatcher$Worker.run(LimitedDispatcher.kt:4) at kotlinx.coroutines.scheduling.TaskImpl.run(Tasks.kt:3) at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:96) Suppressed: kotlinx.coroutines.internal.DiagnosticCoroutineContextException: [StandaloneCoroutine{Cancelling}@6aec4f8, Dispatchers.IO]

The original bookmarks crash was this:

300e77b6-00e5-458d-ae84-d1202c866a1b java.lang.NullPointerException

* New Sentry Instance: https://sentry.io/organizations/mozilla/issues/?project=6375561&query=9fd75a9f565c460b91e4977064d87e83

java.lang.NullPointerException at org.mozilla.fenix.library.bookmarks.BookmarkFragment.refreshBookmarks(BookmarkFragment.kt:103) at org.mozilla.fenix.library.bookmarks.BookmarkFragment$refreshBookmarks$1.invokeSuspend(BookmarkFragment.kt:14) at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:9) at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:112) at android.os.Handler.handleCallback(Handler.java:883) at android.os.Handler.dispatchMessage(Handler.java:100) at android.os.Looper.loop(Looper.java:214) at android.app.ActivityThread.main(ActivityThread.java:7400) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:491) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935) Suppressed: kotlinx.coroutines.internal.DiagnosticCoroutineContextException: [StandaloneCoroutine{Cancelling}@26f4bf6, Dispatchers.Main]

Frequently crashes without warning, pages lag constantly where scrolling down is impossible, even after the page is refreshed. Creates way too many new tabs (like 50 a day) and ads mess up the design of the webpage.

History tab view shows an image of tab value but does nothing when a tab is selected, opens a blank pane. Click-hold on tab thumbnail causes browser to crash. IOS Firefox current versions. iPhone SE 3rd gen.

I am posting this issue at the request of E from Firefox's app developer feedback after I submitted an app review.

The app continues to be unstable on my Pixel 6a (latest OS, Android 13) after freezing up on what appears to be any heavily scrolled pages or those that create a heavy cache. This freezing then causes abrupt phone restarts shortly thereafter, but not always immediately. Usually the culprit seems to be linked to Facebook album viewing, Imgur albums with article-length descriptions, etc. The abrupt phone restarting occurs whether force stopping Firefox and clearing the cache right away or not (although the restarts seem to happen faster if I force stop the app). I have simply closed the app during the freeze, put my phone down, and come back minutes or hours later to it having restarted on its own.

In addition, open tabs have a tendency to lose their scroll spots on a non-infinitely-scrolling page (e.g. an article not requiring expanding) when the app is minimized but not closed. This is probably unrelated(?) and isn't as critical as the spontaneous restarts, however.

It looks like many Pixel 6a users have had this issue, although those support threads from 8-9 months ago have now been archived. Someone else mentioned scripts from the websites themselves may be to blame? Would be curious to hear of any specific fixes. Thanks!

Dear Concern, Suddenly I Found Crashing Problem In Fire Fox New Updated Version. When I Try to Save Any Image Or Download Any File From it’s show A Crashing Problem. I attached A Photo Of This Crashing Problem. Sir Please Fix The Problem As Soon As Possible. Thank You.

I raised this issue in my review on the Google App Store and was asked to submit it as a question here. On my phone (Oppo running on ColorOS 13.1), Firefox will stop working a number of times a month. For about 24 hours, aside from Google result pages, nothing will load, and I'll be stuck looking at an empty loading screen. The last time I raised this issue I was told to delete and reinstall the app, which worked in the moment but did nothing to stop the problem occurring again. Aside from waiting for the app to fix itself, nothing I've found works.

Very often when clicming the adress bar (almost always on sites like old.reddit.com, the app just stops responding and I must reopen it. I'd like a solution that won't involve removing all my bookmarks, history and saved data.

firefox is crashing when i try to download some file. I gotta clear the app's data for it to work normally again, but this always happens when I try to download it again, also, the browser doesn't open after it crashes, only after I clear its data.

Firefox for Android version 119.0.1 Android 11 (64 bits)

After updating Firefox for Android, my phone started rebooting after downloading any file. This makes it very difficult to use the browser and I had to use Chrome temporarily. The Crashes tab in About Firefox is empty. I tried to collect a logcat and uploaded it to Google Drive (maybe this will help somehow.): https://drive.google.com/file/d/1kmdS5rTH3r0u09KLxeUDeY5U8r5xiEK1/view?usp=sharing. I hope this information is helpful in solving the problem.

Hello,

I am getting a frequent freeze in the Android app and then shortly after a crash. Info: - happens on FF, FF Beta, and FF Nightly,and reinstall/phone reset didn't fix. - Samsung Galaxy SM-G965U running Android 10. - every error starts with java.lang.OutofMemoryError. - it never happens just on startup, just on auto fill, or some of the similar crash reports I've seen around here. - it does appear to be site-specific, but sometimes the site works and sometimes it does not: if I close the last tab after a crash, it will usually work for awhile. - Sync and disabling Add-ons doesnt fix it, although perhaps its worse with uBlock Origin enabled (not conclusively)

Thanks for any suggestions.

edited for clarity