reproduce code

package cn.nextop.gadget.io;

import java.io.Closeable;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.jgroups.JChannel;
import org.jgroups.Receiver;
import org.jgroups.View;
import org.jgroups.conf.ClassConfigurator;
import org.jgroups.util.SizeStreamable;

public class Main implements Receiver {

public static void main(String[] args) throws Exception {
// init
System.setProperty("jgroups.bind_addr", "192.168.1.233");
List<Messenger> list = new ArrayList<>();
for (int i = 0; i < 13; i++)

{ Messenger messenger = new Messenger("name" + i); messenger.init(); list.add(messenger); }

// send
Messenger messenger = list.get(0);

while (true)

{ Thread.sleep(10); messenger.send("hello".getBytes()); }

}

public static class Messenger implements Closeable {
private final String name;
private volatile JChannel channel;

public Messenger(String name)

{ this.name = name; }

public void init() throws Exception

{ ClassConfigurator.addIfAbsent((short) 12346, MyMessage.class); this.channel = new JChannel(Main.class.getClassLoader().getResourceAsStream("test-jgroups-tcp.xml")); channel.setName(name); final Receiver receiver = new ReceiverImpl(); channel.setReceiver(receiver); channel.connect("cluster"); }

public void send(byte[] payload) throws Exception

{ channel.send(null, new MyMessage(payload)); }

@Override
public void close() throws IOException

{ if (channel != null) channel.close(); }

}

public static class ReceiverImpl implements Receiver {

public ReceiverImpl() {
}

@Override
public void receive(final org.jgroups.Message message)

{ final MyMessage m = message.getObject(); m.getPayload(); }

@Override
public void viewAccepted(View view)

{ System.out.println(view.toString()); }

}

public static class MyMessage implements SizeStreamable {

private byte[] payload;

public byte[] getPayload()

{ return payload; }

public MyMessage() {
}

public MyMessage(byte[] payload)

{ this.payload = payload; }

@Override
public int serializedSize()

{ return 4 + this.payload.length; }

@Override
public void writeTo(DataOutput out) throws IOException

{ out.writeInt(payload.length); out.write(payload, 0, payload.length); }

@Override
public void readFrom(DataInput in) throws IOException, ClassNotFoundException

{ int len = in.readInt(); byte[] bytes = new byte[len]; in.readFully(bytes); this.payload = bytes; }

}
}

 

jgroup properties file

<config xmlns="urn:org:jgroups" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:org:jgroups http://www.jgroups.org/schema/jgroups.xsd">

<TCP_NIO2
recv_buf_size="2M"
send_buf_size="2M"
max_bundle_size="64K"
max_send_buffers="32"
thread_naming_pattern=""
sock_conn_timeout="3000"
reaper_interval="150000"
reader_idle_time="300000"
conn_expire_time="300000"
enable_diagnostics="false"
thread_pool.enabled="true"
logical_addr_cache_max_size="100000"
logical_addr_cache_expiration="3600000"

bind_port="7800"
port_range="16"
thread_pool.min_threads="2"
thread_pool.max_threads="16"
thread_pool.keep_alive_time = "300000"/>

<TCPPING
port_range="16"
initial_hosts="192.168.1.233[7800]"
async_discovery="true" num_discovery_runs="2"
async_discovery_use_separate_thread_per_request="true"/>

<MERGE3 min_interval="10000" max_interval="30000"/>
<!-- <FD_SOCK/> --><FD_ALL3 timeout="30000"/>
<VERIFY_SUSPECT2 timeout="3000"/>
<!-- <BARRIER /> -->

<pbcast.NAKACK2 use_mcast_xmit="false" xmit_interval="300" xmit_table_max_compaction_time="30000"/>
<UNICAST3 xmit_interval="300" xmit_table_max_compaction_time="30000"/>

<pbcast.STABLE desired_avg_gossip="60000" max_bytes="4M"/>
<pbcast.GMS join_timeout="6000" max_join_attempts="0"/>

<UFC max_credits="6M" min_threshold="0.4"/>
<MFC max_credits="6M" min_threshold="0.4"/>
<FRAG2 frag_size="60K"/>

<!-RSVP resend_interval="2000" timeout="10000"/->
<!-- <pbcast.STATE_TRANSFER/> -->
</config>

 

noisy log

34117 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name11: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
34117 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name11: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
34118 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name11: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
35015 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name12: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
35015 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name12: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
35016 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name12: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
35016 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name12: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
35255 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name2: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
35255 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name2: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
35255 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name2: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
35256 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name2: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
37041 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name3: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
37042 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name3: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
37042 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name3: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
37042 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name3: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
41257 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name4: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
41257 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name4: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
41258 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name4: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
41259 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name4: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
43546 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name0: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
43547 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name0: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
43547 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name0: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
43547 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name0: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
46736 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name9: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
46736 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name9: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
46737 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name9: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
46737 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name9: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
48118 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name1: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
48118 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name1: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
48119 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name1: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
48119 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name1: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
51262 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name5: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
51262 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name5: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
51262 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name5: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
51262 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name5: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
54615 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name2: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
54615 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name2: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
54616 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name2: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
54616 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name2: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
55140 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name7: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
55140 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name7: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
55141 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name7: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
55142 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name7: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
57755 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name8: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
57756 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name8: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
57756 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name8: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
57757 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name8: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
59862 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name11: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
59862 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name11: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
59862 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name11: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
59863 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name11: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
64206 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name9: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
64206 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name9: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
64207 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name9: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
64207 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name9: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
66430 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name6: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
66431 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name6: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
66432 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name6: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
66432 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name6: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
69098 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name0: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
69099 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name0: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
69100 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name0: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
69100 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name0: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
73550 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name3: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
73550 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name3: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
73551 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name3: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
73551 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name3: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
74149 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name10: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
74149 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name10: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
74150 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name10: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
74150 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name10: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
75839 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name12: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
75839 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name12: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
75839 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name12: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
75839 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name12: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
77818 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name7: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
77819 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name7: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
77819 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name7: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
77820 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name7: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
82425 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name2: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
82432 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name2: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
82433 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name2: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
82433 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name2: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
82823 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name9: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
82823 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name9: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
82824 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name9: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
82824 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name9: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
83379 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name5: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
83380 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name5: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
83380 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name5: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
83381 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name5: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
85905 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name4: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
85906 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name4: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
85906 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name4: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
85907 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name4: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
87239 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name11: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
87239 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name11: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
87240 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name11: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
87240 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name11: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
88570 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name1: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
88570 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name1: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
88571 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name1: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
88571 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name1: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused
90066 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name8: failed sending message to 192.168.1.233:7813: java.net.ConnectException: Connection refused
90067 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name8: failed sending message to 192.168.1.233:7814: java.net.ConnectException: Connection refused
90067 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name8: failed sending message to 192.168.1.233:7815: java.net.ConnectException: Connection refused
90067 [TQ-Bundler-4,shared=cluster] WARN org.jgroups.protocols.TCP_NIO2 - name8: failed sending message to 192.168.1.233:7816: java.net.ConnectException: Connection refused

 

above works fine in windows 10 and former jgroups version such as jgroups-5.1.6-final.jar

 

noisy log only happens in linux os

[16:50:16 chenby@erebor-dev ~]$ cat /proc/version
Linux version 2.6.32-642.el6.x86_64 (mockbuild@worker1.bsys.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-17) (GCC) ) #1 SMP Tue May 10 17:27:01 UTC 2016

 

[16:50:28 chenby@erebor-dev ~]$ /usr/local/jdk/bin/java -version
openjdk version "11.0.1" 2018-10-16
OpenJDK Runtime Environment 18.9 (build 11.0.1+13)
OpenJDK 64-Bit Server VM 18.9 (build 11.0.1+13, mixed mode)