[jboss-jira] [JBoss JIRA] Created: (JGRP-1031) Asymmetric link down causes endless retransmission after merge

[Bela Ban (JIRA)]

Asymmetric link down causes endless retransmission after merge
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                 Key: JGRP-1031
                 URL: https://jira.jboss.org/jira/browse/JGRP-1031
             Project: JGroups
          Issue Type: Bug
            Reporter: Bela Ban
            Assignee: Bela Ban
             Fix For: 2.8
         Attachments: udp.xml

This is with FD only (don't use FD_ALL and remove FD_SOCK). The config is attached to this case. We need to add <DISCARD use_gui="true"/> above UDP.

How to reproduce:
- Start 3 Draws:
draw -props ./udp.xml -name 202
draw -props ./udp.xml -name 201
draw -props ./udp.xml -name 203
- On 201: discard all traffic from 202
- Wait until the following views have been installed:
202: 202,203
201: 202,201,203
203: 202,203

Then enable reception of traffic on 201 from 202 again.

Then draw in all 3 instances. Looking at NAKACK, we'll see that the retransmission table's size increases. We'll also see retransmission requests from 201 to 202 (for messages which seem to be in 202's sent-table !)


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