no physical address

[Ross Black-2]

Hi,

We are using jgroups 2.8.0-cr2, and getting an reasonably frequent warning in our logs.

"no physical address for machine14-38872, dropping message"

Does this indicate a problem in jgroups or in our setup, or is this expected under normal operation?


Thanks,
Ross



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[Bela Ban]

How do you reproduce this ? What's your config ?

Ross Black wrote:

> Hi,
>
> We are using jgroups 2.8.0-cr2, and getting an reasonably frequent warning
> in our logs.
>
> "no physical address for machine14-38872, dropping message"
>
> Does this indicate a problem in jgroups or in our setup, or is this
> expected
> under normal operation?

--
Bela Ban
Lead JGroups / Clustering Team
JBoss


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[Ross Black-2]

The problem is only occurring sporadically within our tests, and we have not identified any specific conditions that trigger it.

Our config is :


<config>
    <UDP
            bind_addr="192.168.10.15"
            mcast_addr="228.8.8.8"
            mcast_port="45588"
            tos="8"
            ucast_recv_buf_size="64000"
            ucast_send_buf_size="64000"
            mcast_recv_buf_size="64000"
            mcast_send_buf_size="64000"
            loopback="false"
            discard_incompatible_packets="true"
            enable_diagnostics="false"
            thread_naming_pattern="cl"

            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="5000"
            num_initial_members="3"/>
    <MERGE2
            min_interval="10000"
            max_interval="30000"/>
    <FD_SOCK
            bind_addr="${bind_addr}"/>
    <FD_ALL
            interval="3000"
            timeout="10000"/>
    <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="false"
            join_timeout="3000"
            view_bundling="true"/>
    <FC
            max_credits="500000"
            min_threshold="0.20"/>
    <FRAG2
            frag_size="60000"/>
    <pbcast.STATE_TRANSFER/>
</config>

2009/11/2 Bela Ban <belaban@...>

How do you reproduce this ? What's your config ?

Ross Black wrote:

Hi,

We are using jgroups 2.8.0-cr2, and getting an reasonably frequent warning
in our logs.

"no physical address for machine14-38872, dropping message"

Does this indicate a problem in jgroups or in our setup, or is this expected
under normal operation?

--
Bela Ban
Lead JGroups / Clustering Team
JBoss

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is the only developer event you need to attend this year. Jumpstart your
developing skills, take BlackBerry mobile applications to market and stay
ahead of the curve. Join us from November 9 - 12, 2009. Register now!
http://p.sf.net/sfu/devconference
_______________________________________________
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