Hi Christopher,

sadly, the diff didn't make it through our mail system which remove
attachements. Can you create a JIRA and attach your patch so that we can
see it ?

Many thanks !


Le 11/27/13 4:28 AM, Christopher Deschenes a écrit :
> Hi Ben,
>
> We spent some time on this exact issue.
>
> We suspect that the root cause of the trouble is a race condition triggered
> by the amount of extra time it takes for the Android SSL Engine to secure
> the connection.  I suspect that this part of the MINA code doesn't cause
> problems for PC users since the SSL Engine in regular Java (not Dalvik) is
> much faster than Android or behaves differently under the hood.
>
> I've attached the diff file.
>
> Hope this helps!
>
> Chris
>
>
>
> On Tue, Nov 26, 2013 at 8:14 PM, Ben Bader <[email protected]> wrote:
>
>> Hi Mina users,
>>
>> I've encountered a strange NPE when attempting to use Mina 2.0.7 on
>> Android.  When not using an SslFilter, everything is great; with SSL, the
>> app hangs during the handshake, and eventually crashes with an NPE inside
>> of SslHandler.
>>
>> I've attempted to track down the issue, but haven't had much luck; it's not
>> clear to me at the moment how to go about debugging the
>> SslFilter/SslHandler interactions.  Has anyone else had success using Mina
>> + SSL on Android?  If so, what's the secret?
>>
>> I appreciate any insight you can offer.
>>
>> Thanks,
>> Ben
>>
>> Below is the relevant stack trace:
>> EXCEPTION :
>> java.lang.NullPointerException
>> at
>> org.apache.mina.filter.ssl.SslHandler.fetchAppBuffer(SslHandler.java:389)
>> at
>> org.apache.mina.filter.ssl.SslFilter.handleAppDataRead(SslFilter.java:702)
>> at org.apache.mina.filter.ssl.SslFilter.handleSslData(SslFilter.java:697)
>> at org.apache.mina.filter.ssl.SslFilter.messageReceived(SslFilter.java:471)
>> at
>>
>> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417)
>> at
>>
>> org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47)
>> at
>>
>> org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765)
>> at
>>
>> org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:109)
>> at
>>
>> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417)
>> at
>>
>> org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:410)
>> at
>>
>> org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:710)
>> at
>>
>> org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:664)
>> at
>>
>> org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:653)
>> at
>>
>> org.apache.mina.core.polling.AbstractPollingIoProcessor.access$600(AbstractPollingIoProcessor.java:67)
>> at
>>
>> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1124)
>> at
>>
>> org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
>> at
>>
>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
>> at
>>
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
>> at java.lang.Thread.run(Thread.java:856)
>>
>
>


-- 
Regards,
Cordialement,
Emmanuel Lécharny
www.iktek.com 

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