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From Niklas Therning <nik...@trillian.se>
Subject Re: Help! Datagram Acceptor Problem.
Date Tue, 05 Jun 2007 09:02:39 GMT
That's Java5 syntax. MINA 1.1 requires Java5 to compile.

HTH
/Niklas

Murat OZDEMiR wrote:
>  
> In MINA 1.1.0 source code there are too much commets exist such as;
>
> public Set<IoSession> getManagedSessions( SocketAddress serviceAddress )
>
> Eclipse gives error for <IoSession> tooken.
>
> Would you pls. advice me to have a clean source code?
> Thanks.
>
> ----------
> Murat OZDEMiR
>
> -----Original Message-----
> From: Murat OZDEMiR [mailto:mozdemir79@gmail.com] 
> Sent: Tuesday, June 05, 2007 11:31 AM
> To: 'dev@mina.apache.org'
> Subject: RE: Help! Datagram Acceptor Problem.
>
> Thank you Trustin,
> İ'll try my best and wil give informatin.
>
> Best regards.
> ----------
> Murat OZDEMiR
>
> -----Original Message-----
> From: Trustin Lee [mailto:trustin@gmail.com]
> Sent: Tuesday, June 05, 2007 11:02 AM
> To: dev@mina.apache.org
> Subject: Re: Help! Datagram Acceptor Problem.
>
> Hello Murat,
>
> On 6/5/07, Murat OZDEMiR <mozdemir79@gmail.com> wrote:
>   
>> Dear friends,
>>
>> I've almost memorized all tutorials about UDP and looked at Nabble 
>> forums if someone have had similar problem as me. I've tried 
>> everything last 3 days and finally have chosen Single Thread model for 
>> both DatagramAcceptor and ExecuterFilter which is now working good 
>> enough. But i don't prefer to use Single Thread as well.
>>
>> Let me explain what does my application on MINA do. Thousands of 
>> clients send UDP packets to the server from the area. Some TCP clients 
>> are also exist. After packet received, my message handler saves the 
>> message to the database and constructs ACK message and writes the message
>>     
> into the session.
>   
>> My problem is; server cannot send ACK packets to the clients in 
>> required time-out. So clients send last packet again. The problem is 
>> not about having possible delay to insert the incoming messages into 
>> database, the problem is sending the packet after writing into the
>>     
> session.
>
> Thank you for posting your source code.  I couldn't find a particular
> problem there.  Due to the characteristic of the problem, I'd like to
> suggest you to try the following things:
>
> 1) Provide us the full thread dump when the server is having a problem.
> 2) Modify DatagramAcceptorDelegate (in
> org.apache.mina.transport.socket.nio.support).
> 2a) Change selector.select() to selector.select(1000); (this will check if
> the selector is waken up correctly)
> 2b) Print out some debug messages in
> DatagramAcceptorDelegate.flush(DatagramSessionImpl) and around
> selector.select().
> 3) Provide us minimal client/server implementation that reproduces the
> problem.
>
> HTH,
> Trustin
> --
> what we call human nature is actually human habit
> --
> http://gleamynode.net/
> --
> PGP Key ID: 0x0255ECA6
>
>
>   


-- 
Niklas Therning
www.spamdrain.net



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