Re: [Quickfixj-users] Any way to clean up threads?

[Sean L. <sea...@ic...>]

Ah, thanks, Chris, that's good to know. Unfortunately, we probably won't 
be upgrading any time in the near-near future. :(


But when we do, I will make a note to re-try this for our 
automation/testing scenarios.


Cheers!


On 11/19/18 10:56 AM, Christoph John wrote:
> Hi
> I am pretty sure that this has been corrected in later versions. Could 
> you retest with 2.1.0? IIRC there was also a bug in MINA.
> Cheers,
> Chris.
>
> Am 19. November 2018 17:38:56 MEZ schrieb Sean LeBlanc 
> <sea...@ic...>:
>
>     Hello,
>
>
>     we are using QuickFIX/J 1.6.3 and for testing, we sometimes stop
>     initiators/acceptors and start them after changing their settings
>     for test scenarios. However, it seems that after doing a stop on
>     these objects still leaves some threads (e.g.,
>     NIOSocketAcceptor-14,  QFJ Message Processor) around, and if this
>     start/stop cycle is called enough times, the JVM eventually will
>     hit an OS restriction on number of threads. If I were to bump that
>     up, I would think the next problem would be memory, as that also
>     gets quite large.
>
>     I've tried various scenarios to try to make these get cleaned up,
>     but nothing I've done seems to work. What I've tried is: adding
>     the "true" in the call to stop, trying to set initiator to null
>
>     To see what I'm talking about, attach something like Java VisualVM
>     to your JVM, then do something like:
>
>
>     initiator = new SocketInitiator(this, storeFactory,
>     sessionSettings, logFactory, messageFactory)
>
>     initiator.start()
>
>     initiator.stop(true)
>
>     initiator.start()
>
>     ...
>
>     etc.
>
>
>     ...and watch the thread count. Invoking GC directly doesn't seem
>     to reap any of the threads, either. Acceptors seem to have similar
>     behavior.
>
>
>     Is there anything I could try to clear these?
>
>
>     -- 
>     *Sean LeBlanc*
>     *Software Architect/Senior Software Engineer*
>     *Institutional Cash Distributors Technology, LLC*
>     Direct 720.453.1288
>     Fax 720.453.1335
>     sea...@ic... <mailto:sea...@ic...> |
>     www.icdportal.com <http://www.icdportal.com/>
>
-- 
*Sean LeBlanc*
*Software Architect/Senior Software Engineer*
*Institutional Cash Distributors Technology, LLC*
Direct 720.453.1288
Fax 720.453.1335
sea...@ic... <mailto:sea...@ic...> | 
www.icdportal.com <http://www.icdportal.com/>