TCP/TCPPING creates too many unnecessary connections
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Key: JGRP-26
URL: http://jira.jboss.com/jira/browse/JGRP-26
Project: JGroups
Type: Bug
Versions: 2.2.8
Environment: Java 1.4.2
Reporter: B.S.Navin
Assigned to: Bela Ban
A simple program using JGroups with a TCP/TCPPING/FD combo at the bottom of the
stack, creates too many unnecessary connections.
The program just creates a channel and registers a message listener that just
printss the message.
When this program is run, it creates 2 TCP connections - One to the port of the
TCP protocol of this program & the other from the prot of the TCP protocol of
this program.
These 2 connections seem to be created when a ping message is sent to the hosts
in the initial_hosts list of the TCPPING protocol. The target address should be
checked and the message should automatically be processed within the same stack
without sending it on the network, if the dest. address is same as this.
Also, the FD protocol sends a message to its peer and receives a response. This
causes 2 more connections to be created. Whereas the same connection could have
been used to send the response message.
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