Bug report – FileZilla crashes during uploading

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_Alexx
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Bug report – FileZilla crashes during uploading

#1 Post by _Alexx » 2021-07-13 14:27

Hello!

I am a stocker and I regularly upload photo works to different stock sites using FTP. One FTP server of the stock site Bigstock sometimes provokes a permanent crash of FileZilla — the program is just closing even without any error message. When I say "permanent" I mean when I am trying to upload again and again I have this situation of the auto-closing app.

I uploaded the video of this process to youtube, take a look, please:
https://youtu.be/f8zqEscpHFs

and I didn't find any crash logs to attach, actually..

I don't know if this bug report of mine can be informative for you, but I would like this bug to be, of course, fixed as much as possible.

Thank you, FileZilla team!

Regards,
Alex

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botg
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Re: Bug report – FileZilla crashes during uploading

#2 Post by botg » 2021-07-13 16:04

Do you by chance have the queue completion action set to close FileZilla?

_Alexx
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Re: Bug report – FileZilla crashes during uploading

#3 Post by _Alexx » 2021-07-15 00:04

No.. i upload the same package to different stock sites. Sometimes at the same time. And after uploading the package nothing happens – the app just idles. And only with BigStock FileZilla crashes on random files, don't know why. I tried to turn off the simultaneous download of multiple files but it didn't help – random crashes again even with a single upload process.

I would love to provide some crash report to help to fix this but don't know to get it, actually.

_Alexx
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Re: Bug report – FileZilla crashes during uploading

#4 Post by _Alexx » 2021-07-15 14:20

Okay, so I realized the reason for the app crash.
The site/server of BigStock has limits for each photo, should me not be bigger than a certain size. If it is bigger it somehow provokes the crash of FileZIlla.

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Re: Bug report – FileZilla crashes during uploading

#5 Post by botg » 2021-07-15 19:21

That is weird. Please enable logging to file in FileZilla and restart it. After the restart, set debug log level to 4 on the debug page in the settings dialog. Next, upload a file that makes it crash. Last but not least, post the log.

_Alexx
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Re: Bug report – FileZilla crashes during uploading

#6 Post by _Alexx » 2021-07-18 21:08

botg wrote:
2021-07-15 19:21
That is weird. Please enable logging to file in FileZilla and restart it. After the restart, set debug log level to 4 on the debug page in the settings dialog. Next, upload a file that makes it crash. Last but not least, post the log.
Attached log with debug level 4. Uploaded 4 files, third was over size limits. So during uploading of 3d one the app auto-closed/crashed.
Attachments
filezilla.log
(24.05 KiB) Downloaded 60 times

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Re: Bug report – FileZilla crashes during uploading

#7 Post by botg » 2021-07-21 07:11

Nothing of interest in the log. How fun.

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Re: Bug report – FileZilla crashes during uploading

#8 Post by _Alexx » 2021-07-21 15:03

botg wrote:
2021-07-21 07:11
Nothing of interest in the log. How fun.
If I can do something else to help to catch this bug – feel free to let me know.

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Re: Bug report – FileZilla crashes during uploading

#9 Post by botg » 2021-07-22 07:56

If you are feeling adventurous, you could get Xcode and run FileZilla in lldb. Let me know if you are up to the challenge.

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Re: Bug report – FileZilla crashes during uploading

#10 Post by _Alexx » 2021-07-22 10:42

botg wrote:
2021-07-22 07:56
If you are feeling adventurous, you could get Xcode and run FileZilla in lldb. Let me know if you are up to the challenge.
I'm in! Just will need kinda step by step instruction since I am not much into this programming/debugging subject..
Can you give a hint where to download XCode suitable for this situation but which will work on macOS Catalina?

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Re: Bug report – FileZilla crashes during uploading

#11 Post by botg » 2021-07-22 21:37

The place to get it is Apple's Mac App Store. After downloading the behemoth, start it at least once and if it prompts to install/configure additional components, do that.

If you afterwards open a terminal, the lldb command should be available. The command you need is this:

Code: Select all

lldb /Applications/FileZilla.app/Contents/MacOS/filezilla
(Adjust path if needed)



If that succeeds, press r and enter.

Use FileZilla until it crashes, then enter bt

Paste the backtrace (bt) here.

_Alexx
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Re: Bug report – FileZilla crashes during uploading

#12 Post by _Alexx » 2021-07-23 10:34

botg wrote:
2021-07-22 21:37
The place to get it is Apple's Mac App Store. After downloading the behemoth, start it at least once and if it prompts to install/configure additional components, do that.

If you afterwards open a terminal, the lldb command should be available. The command you need is this:

Code: Select all

lldb /Applications/FileZilla.app/Contents/MacOS/filezilla
(Adjust path if needed)



If that succeeds, press r and enter.

Use FileZilla until it crashes, then enter bt

Paste the backtrace (bt) here.

I mentioned the MacOS version because by that moment I've already tried to download it and got the message from the AppStore that I have to have BigSur installed. I still have 10.15.7 (Catalina) and not hurrying to update because of some compatibility issues.
Will it work for your task if I install XCode 12.4? can download it from torrents.

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Re: Bug report – FileZilla crashes during uploading

#13 Post by botg » 2021-07-23 15:47

Apple...

An older version of Xcode still supporting Catalina is available on Apple's developer page:

https://download.developer.apple.com/De ... e_12.4.xip
https://download.developer.apple.com/De ... e_12.4.dmg


Don't bother torrent sites with questionable authenticity. Very likely includes virus.

_Alexx
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Re: Bug report – FileZilla crashes during uploading

#14 Post by _Alexx » 2021-07-23 19:50

botg wrote:
2021-07-23 15:47
Apple...

An older version of Xcode still supporting Catalina is available on Apple's developer page:

https://download.developer.apple.com/De ... e_12.4.xip
https://download.developer.apple.com/De ... e_12.4.dmg


Don't bother torrent sites with questionable authenticity. Very likely includes virus.
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I don't have a developer account. Can you please provide another link then?

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Re: Bug report – FileZilla crashes during uploading

#15 Post by botg » 2021-07-24 15:03

No, I cannot.

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