Node does not re-join the cluster after several lost pings ---------------------------------------------------------- Key: JGRP-1299 URL: https://issues.jboss.org/browse/JGRP-1299 Project: JGroups Issue Type: Bug Environment: Solaris OS 10 & Java 1.5 & 1.6 Reporter: Igor M Assignee: Bela Ban Priority: Critical This is what we see in production: 1. Node 1 does not send pings for 25 seconds 2. Node 2 notices 6 lost pings (in 15 seconds) 3. Node 2 starts sending "broadcast SUSPECT" 4. Node 1 replies to a few of them 5. Node 2 does not receive replies until after 15 seconds after it suspected node 1 6. Node 2 removes Node 1 from the view 7. Node 1 keeps sending "are-you-alive" and Node 2 is now discarding them At this time Node 1 believe there are still two nodes in the cluster, and Node 2 only sees itself. In the lab we were able to reproduce the problem by stopping Node 1 process: pstop {PID} ; sleep 35 ; prun {PID} Once the process is resumed it can never join the cluster. The first two lines from Node1.log show 26 seconds interval between pings while it should have been 2.5 seconds. I traced the 26 seconds delay to the full GC cycle on Node 1. pstop/sleep/prun have almost the same effect.