Rich Naylor

I have been observing intermittent failure in a JGroups 6 node cluster with following error message: WARN [Incoming-1,ActiveVOS,node5.net:4430] [org.jgroups.protocols.pbcast.GMS] [{}] - node5.net:4430: failed to collect all ACKs (expected=5) for view [node5.net:4430|93] after 10000ms, missing 5 ACKs from (5) node6.net:4430, node2.net:4430, node4.net:4430, node3.net:4430, node1.net:4430 We are using JGroups 3.5.1 Final with the following channel properties <entry name="ChannelProperties" value="TCP(bind_port=9000;bind_addr=%BindAddress%):JDBC_PING(initialize_sql=;datasource_jndi_name=java:comp/env/jdbc/ActiveVOS):MERGE3:FD_ALL(timeout=15000):VERIFY_SUSPECT(timeout=15000):pbcast.NAKACK2(use_mcast_xmit=false):UNICAST2:pbcast.STABLE:FRAG2:pbcast.GMS(view_ack_collection_timeout=10000):pbcast.STATE_TRANSFER"></entry>...