[jgroups-users] [ Every day cluster splits ]

Can't find a reason, why a cluster splits every day :-(
The cluster has merged back after a dozen of seconds.

Have 3 nodes configuration.

<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-3.6.9.xsd">
     <TCP_NIO2
        bind_port="7800"
        timer_type="new3"
        timer.min_threads="4"
        timer.max_threads="10"
        timer.keep_alive_time="3000"
        timer.queue_max_size="500"



        thread_pool.enabled="true"
        thread_pool.min_threads="4"
        thread_pool.max_threads="64"
        thread_pool.keep_alive_time="20000"
        thread_pool.queue_enabled="false"
        thread_pool.queue_max_size="100"
        thread_pool.rejection_policy="discard"

        oob_thread_pool.enabled="true"
        oob_thread_pool.min_threads="2"
        oob_thread_pool.max_threads="8"
        oob_thread_pool.keep_alive_time="20000"
        oob_thread_pool.queue_enabled="false"
        oob_thread_pool.queue_max_size="100"
        oob_thread_pool.rejection_policy="discard"
     />
    <TCPPING
initial_hosts="${jgroups.tcpping.initial_hosts:172.16.42.3[7800],172.16.42.4[7800],172.16.42.5[7800]}"
port_range="0"/>
    <MERGE3 min_interval="5000" max_interval="20000"/>
    <FD_SOCK/>
    <FD_ALL timeout="90000"/>
    <VERIFY_SUSPECT/>
    <pbcast.NAKACK2 use_mcast_xmit="false"/>
    <UNICAST3/>
    <pbcast.STABLE/>
    <pbcast.GMS/>
    <MFC/>
    <FRAG2/>
    <pbcast.STATE_TRANSFER />
    <CENTRAL_LOCK/>
</config>

Same were on TCP.

For example a log file from one of the nodes:

https://gist.github.com/sherman/026114ad85d5b2a10db591c5d39cb9ac

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