Re: java mail and thread
On 25.10.2013 13:45, Joerg Meier wrote:
On Thu, 24 Oct 2013 14:28:49 -0700 (PDT), andros976@gmail.com wrote:
I noticed that this statement takes a bit of seconds before releasing
flow and therefore are unable to use the other functions of the application . I thought , therefore, to use a technology where each object of the class that sends the email implements Runnable and then i use it like a thread.
I noticed , however, that there are problems because sometimes 20 over 50 emails fail and the instruction that give me the error is
Transport.send (msg ) ;
java.net.SocketException : Connection closed by remote host
Possibly the remote server doesn't allow multiple (or more than 2 or 3)
connections at the same time. I recommend writing a thread class that keeps
an internal list of mails to send, and sends them one by one. That way,
when you send two mails at the same time, the 2nd gets added to the list
and sent after the first finishes, instead of at the same time.
Or create a thread pool with as many threads as concurrent connections
are allowed. Then feed send requests through a queue.
Cheers
robert
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