Incompatibility between Mina and Android Lollipop

[Albert Vaca]

Hi Yuri,

Thanks for your input. Mina might be used as well in the SFTP plugin, but
it is also used as a networking library, to send and receive all network
messages.

Albert

On Wed, Jun 17, 2015 at 12:52 PM, Yuri Samoilenko <kinnalru at gmail.com>
wrote:

> Hello.
>
> I'am not watching for KDE connect carefully(and I dont know how Mina is
> used now), but Mina was added by me as simple embedable ssh-server. So if
> there is another ssh-server implementation of ssh-server for Java it can be
> used as drop-in replacement. There is a very few lines of code to
> instantiate ssh-server with Mina so migration must be simple.
>
> 2015-06-17 3:10 GMT+03:00 Albert Vaca <albertvaka at gmail.com>:
>
>> Hi Vineet,
>>
>> Some issues are always to be expected when developing something, but we
>> will need to overcome them!
>>
>> I didn't know about Netty at all, but if you think it is going to solve
>> the problem and it's better than Mina, go for it. Actually, I'm not supper
>> happy with Mina because most crashes from KDE Connect come from a weird
>> issue that involves Mina [1].
>>
>> If you go for Netty, that is going to require more effort than initially
>> expected, so take it into account so you still meet your project deadlines.
>> The most challenging part will be to make sure that devices running the old
>> version of the app (Mina) and devices running the new one (Netty) are able
>> to talk to each other, so either make sure that you can also have Netty
>> without SSL (best solution), or simply keep Mina and Netty at the same time
>> in different Links (less optimal solution).
>>
>> In any case, I would raise the problem with SSL in Mina and Lollipop
>> online (Mina's mailing list?) to see if more people also had trouble and
>> know if there is a solution (because we might end up having more problems
>> with Netty and we have to fall back to Mina again).
>>
>> Let us know about your findings on this topic.
>>
>> [1] Most common crash in KDE Connect: https://paste.ee/r/6wt4y
>>
>> Albert
>>
>>
>> On Tue, Jun 16, 2015 at 3:20 PM, vineet garg <grgvineet at gmail.com> wrote:
>>
>>> After a lot of trouble I came to this conclusion that Mina and Android
>>> Lollipop are not compatible at all when using SSL filter. I used the filter
>>> as described in documentation. As soon as SSL filter is applied over the
>>> session, the CPU usage of the application becomes incredibly high causing
>>> OS to suspend all threads, so it doesn't work at all. It didn't worked
>>> earlier in emulator too because I was using Lollipop in emulator too. My
>>> new physical device is on Lollipop too. My old device is on Jellybean and
>>> it works fine on it. In emulator too, it works fine on Jellybean image. The
>>> main reason may be because of ART, but not sure.
>>>
>>> So now I have two options, either implement this from basic like in KDE
>>> version, or use Netty instead. Both Netty and Mina was started by same
>>> person, Netty was started to overcome some of the problems in Mina. Netty
>>> is actively developed and a lot of people are working on it.
>>>
>>> Vineet
>>>
>>>
>>> _______________________________________________
>>> KDEConnect mailing list
>>> KDEConnect at kde.org
>>> https://mail.kde.org/mailman/listinfo/kdeconnect
>>>
>>>
>>
>> _______________________________________________
>> KDEConnect mailing list
>> KDEConnect at kde.org
>> https://mail.kde.org/mailman/listinfo/kdeconnect
>>
>>
>
> _______________________________________________
> KDEConnect mailing list
> KDEConnect at kde.org
> https://mail.kde.org/mailman/listinfo/kdeconnect
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.kde.org/pipermail/kdeconnect/attachments/20150617/2e1889a5/attachment.html>