Are you saying Mina API Interface WriteFuture example is NOT a proper one? Thanks.
On Dec 18, 2007 3:14 PM, Trustin Lee <[EMAIL PROTECTED]> wrote: > Hi Qi, > > It's not a bug but a kind of dead lock caused by misuse of the API. > > You are usually not supposed to call IoFuture.join() within an > IoHandler because the IoHandler methods might be being executed in the > same thread with the I/O processor thread. You wrote something and > you call join() to wait for the I/O processor thread to finish the > write operation in the I/O processor thread, then join() won't return > at all. MINA 2 detects this kind of situation automatically and emits > advisory exception, but it's not in MINA 1.x unfortunately. > > The alternative to join() is adding an IoFutureListener. > > HTH, > Trustin > > On Dec 17, 2007 4:48 PM, Qi <[EMAIL PROTECTED]> wrote: > > > > Hi there, > > > > I've just found a possible bug in MINA Datagram transport. > > > > In my handler class, I was trying to write some messages once the > > sessionOpened event is fired, while the program will hang if I get the > > writeFuture and call join() on it. > > If I call join with a timeout parameter, after the operation gets > timeout, > > WriteFuture.isWritten returns false. > > (Same senario would go through if it's via SocketConnector transport, as > > showing in the sumup example.) > > > > > > However, if I don't place the write operation inside sessionOpened(); > > instead, I placed they after DatagramConnector.connect(), then writes > will > > successfully go though. > > > > I'm using MINA 1.1.5 and JRE 1.6. > > > > Source code that demostrate the problem is attached. > > http://www.nabble.com/file/p14370126/BroadcastSender.java > > BroadcastSender.java > > -- > > View this message in context: > http://www.nabble.com/WriteFuture.join%28%29-hangs-when-called-in-IoHandler.sessionOpened%28%29-in-Datagram-transport.-tp14370126s16868p14370126.html > > Sent from the Apache MINA Support Forum mailing list archive at > Nabble.com <http://nabble.com/>. > > > > > > > > -- > what we call human nature is actually human habit > -- > http://gleamynode.net/ > -- > PGP Key ID: 0x0255ECA6 >
