[jboss-jira] [JBoss JIRA] Commented: (JGRP-1343) JGroups 2.6.2 hangs during JChannel.connect

[Sandeep T H (JIRA)]

    [ https://issues.jboss.org/browse/JGRP-1343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12612761#comment-12612761 ] 

Sandeep T H commented on JGRP-1343:
-----------------------------------

We are also using the JBoss Cache 2.1.0 with which the compatible versions of JGroups is 2.6.2.
Could you suggest anything else that we could try?

> JGroups 2.6.2 hangs during JChannel.connect
> -------------------------------------------
>
>                 Key: JGRP-1343
>                 URL: https://issues.jboss.org/browse/JGRP-1343
>             Project: JGroups
>          Issue Type: Quality Risk
>    Affects Versions: 2.6.2
>         Environment: Linux, cluster
>            Reporter: Sandeep T H
>            Assignee: Bela Ban
>
> In a cluster having two nodes A & B, A is up and running and when B is started for the first time it sometimes hangs in JChannel.connect.
> If we bring down A then B is able to resume and connect. This issue happens randomly but frequently.
> Please let us know if we have missed something or need something.
> The jgroups configuration used is :
> <config>
>     <UDP
>          mcast_addr="${jgroups.udp.mcast_addr:224.0.0.0}"
>          mcast_port="${jgroups.udp.mcast_port:$JGroup_port}"
>          tos="8"
>          ucast_recv_buf_size="20000000"
>          ucast_send_buf_size="640000"
>          mcast_recv_buf_size="25000000"
>          mcast_send_buf_size="640000"
>          loopback="false"
>          discard_incompatible_packets="true"
>          max_bundle_size="64000"
>          max_bundle_timeout="30"
>          use_incoming_packet_handler="true"
>          ip_ttl="${jgroups.udp.ip_ttl:2}"
>          enable_bundling="true"
>          enable_diagnostics="true"
>          thread_naming_pattern="cl"
>          use_concurrent_stack="true"
>          thread_pool.enabled="true"
>          thread_pool.min_threads="2"
>          thread_pool.max_threads="8"
>          thread_pool.keep_alive_time="5000"
>          thread_pool.queue_enabled="true"
>          thread_pool.queue_max_size="1000"
>          thread_pool.rejection_policy="Run"
>          oob_thread_pool.enabled="true"
>          oob_thread_pool.min_threads="1"
>          oob_thread_pool.max_threads="8"
>          oob_thread_pool.keep_alive_time="5000"
>          oob_thread_pool.queue_enabled="false"
>          oob_thread_pool.queue_max_size="100"
>          oob_thread_pool.rejection_policy="Run"/>
>     <PING timeout="2000"
>             num_initial_members="3"/>
>     <MERGE2 max_interval="30000"
>             min_interval="10000"/>
>     <FD_SOCK/>
>     <FD timeout="10000" max_tries="5"   shun="true"/>
>     <VERIFY_SUSPECT timeout="1500"  />
>     <BARRIER />
>     <pbcast.NAKACK use_stats_for_retransmission="false"
>                    exponential_backoff="150"
>                    use_mcast_xmit="true" gc_lag="0"
>                    retransmit_timeout="50,300,600,1200"
>                    discard_delivered_msgs="true"/>
>     <UNICAST timeout="300,600,1200"/>
>     <pbcast.STABLE stability_delay="1000" desired_avg_gossip="50000"
>                    max_bytes="1000000"/>
>     <VIEW_SYNC avg_send_interval="60000"   />
>     <pbcast.GMS print_local_addr="true" join_timeout="5000"
>                 shun="false"
>                 view_bundling="true"/>
>     <FC max_credits="500000"
>                     min_threshold="0.20"/>
>     <FRAG2 frag_size="60000"  />
>     <pbcast.STREAMING_STATE_TRANSFER />
> <!--    <pbcast.STATE_TRANSFER  />-->
>     <pbcast.FLUSH timeout="0"/>
> </config>

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