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From Will Martin <wmartin...@outlook.com>
Subject Re: Very strange trace
Date Fri, 18 Nov 2016 04:08:36 GMT
can you share

a. the application being co-ordinated?

b. a cfg from a zookeeper server

?

-will

On 11/17/2016 5:25 PM, Chris Barlock wrote:

Have a variation on this from a new set of trace logs:

[2016-11-17 14:29:56,798] INFO Initiating client connection,
connectString=localhost:2181 sessionTimeout=5000
watcher=com.ibm.tivoli.ccm.config.rest.ConfigClient@34087499
(org.apache.zookeeper.ZooKeeper)
[2016-11-17 14:29:56,799] INFO Opening socket connection to server
229.127.0.0/229.127.0.0:2181. Will not attempt to authenticate using SASL
(unknown error) (org.apache.zookeeper.ClientCnxn)
[2016-11-17 14:29:56,799] ERROR Unable to open socket to
229.127.0.0/229.127.0.0:2181 (org.apache.zookeeper.ClientCnxnSocketNIO)
[2016-11-17 14:29:56,800] WARN Session 0x0 for server null, unexpected
error, closing socket connection and attempting reconnect
(org.apache.zookeeper.ClientCnxn)
java.net.SocketException: Network is unreachable
        at sun.nio.ch.Net.connect0(Native Method)
        at sun.nio.ch.Net.connect(Net.java:481)
        at sun.nio.ch.Net.connect(Net.java:473)
        at
sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:662)
        at
org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:277)
        at
org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:287)
        at
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:967)
        at
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)

66.127.0.0 has become 229.127.0.0.  This looks suspiciously like
localhost/127.0.0.1 is being transformed into <something>.127.0.0.

Chris

IBM Cloud Application Performance Management
Research Triangle Park, NC
(919) 543-1286
Internet:  barlock@us.ibm.com<mailto:barlock@us.ibm.com>



From:   Chris Barlock/Raleigh/IBM@IBMUS
To:     "ZooKeeper Users" <user@zookeeper.apache.org><mailto:user@zookeeper.apache.org>
Date:   11/15/2016 03:52 PM
Subject:        Very strange trace



In one of our logs, I noticed a very strange trace:

[2016-11-01 15:11:38,728] INFO Initiating client connection,
connectString=localhost:2181 sessionTimeout=5000 watcher=
com.ibm.tivoli.ccm.config.rest.ConfigClient@2d4a7662
(org.apache.zookeeper.ZooKeeper)
[2016-11-01 15:11:38,730] INFO Opening socket connection to server
adsl-66-127-0-0.dsl.lsan03.pacbell.net/66.127.0.0:2181. Will not
attempt to authenticate using SASL (unknown error)
(org.apache.zookeeper.ClientCnxn)
Nov 01, 2016 3:11:40 PM com.ibm.tivoli.ccm.config.rest.ZooKeeperClient
zkConnect
SEVERE: Unable to connect to ZooKeeper!

Even though:  connectString=localhost:2181

this happens:   Opening socket connection to server
adsl-66-127-0-0.dsl.lsan03.pacbell.net/66.127.0.0:2181

It should be:   Opening socket connection to server
localhost/127.0.0.1:2181

The log has many successful connections using localhost and only a few
that fail with pacbell.net.  Any thoughts on what might be causing this?

Chris









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