Le 20/09/16 à 19:55, Guy Itzhaki a écrit : > Hi all, > I've upgraded mina from 2.0.9 to 2.0.13 and since then I keep getting this > entry in the log > 20/09/16 20:20:00 WARN [NioProcessor-2] IoProcessor - Create a new selector. > Selected is 0, delta = 0 > > Is it a code left over or on purpose?
Yes, and it's a Warning, so you can get rid of it by setting the log level to ERROR. Now, if you switch to 2.0.14 which has been released 2 weeks ago, the issue will be less frequent (actually, it should not happen at all), because we have fixed a bug in this area (beside other few annying bugs). I would also wait one more week, when 2.0.15 will be out, as it fixes some other serious issue. Side note : this log is dumped because there is a bug in NIO, that makes the select() method returns immediately even if there is no active selectionKey, leading in some very specific use cases to an infinite loop, eating 100% of your CPU. In this case, we simply delete the Selector and recreate a new one registring all the selectionKeys to this new Selector. Pretty technical...
