I have a cluster using jgroups(2.2.8) with members {A, B, C}. When I unplug the
network on
{C} and leave it disconnected for about 20 seconds before reconnecting the
network the
following occurs:
{A, B} consider themselves as a cluster and {C} considers itself as an other
cluster
and any messages being sent between {A, B} and {C} will be thrown away with the
following
log:
2005-aug-29 10:31:36 org.jgroups.protocols.pbcast.NAKACK handleMessage
VARNING: 10.0.1.187:2147] discarded message from non-member 10.0.1.196:3942
What I want to happen is that {A, B} should shun {C} and that the
ChannelListener
on member {C} should invoke the channelShunned() method.
How can I accomplish this?
My setup is JGroups 2.2.8, j2sdk1.4.2_08, windows XP and the following protocol
stack:
String props = "UDP(mcast_addr=228.1.2.53;mcast_port=45566;" +
"ip_ttl=64;ip_mcast=true;mcast_send_buf_size=150000;mcast_recv_buf_size=80000;"
+
"ucast_send_buf_size=150000;ucast_recv_buf_size=80000;" +
"loopback=true):" +
"PING(timeout=2000;num_initial_members=3;up_thread=true;down_thread=true):" +
"FD(shun=true;up_thread=true;down_thread=true):" +
"VERIFY_SUSPECT(timeout=1500;up_thread=true;down_thread=true):"
+
"pbcast.NAKACK(gc_lag=50;retransmit_timeout=300,600,1200,2400,4800;up_thread=true;down_thread=true):"
+
"UNICAST(timeout=5000;window_size=100;min_threshold=10;down_thread=true):" +
"pbcast.STABLE(desired_avg_gossip=20000;up_thread=true;down_thread=true):" +
"FRAG(frag_size=8192;down_thread=true;up_thread=true):" +
"pbcast.GMS(join_timeout=5000;join_retry_timeout=2000;shun=true;print_local_addr=true):"
+
"pbcast.STATE_TRANSFER(up_thread=true;down_thread=true)";
org.jgroup.JChannel m_dispChannel = new
org.jgroup.JChannel(props);
m_dispChannel.setOpt(JChannel.GET_STATE_EVENTS , Boolean.TRUE);
m_dispChannel.setOpt(JChannel.AUTO_GETSTATE , Boolean.TRUE);
m_dispChannel.setChannelListener(this);
m_dispChannel.connect( "JTEST" );
Thanks in advance!
/Andreas
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