We're having some trouble with the Flume & the HbaseSink working. Seems we
cannot hang on to zookeeper sessions. The flume list recommended I cross
post here as this seems to be something up with the hbaseclient &/or
zookeeper. In all honesty I am probably just doing something dumb and not
seeing it.

Using latest flume-ng 1.3.0, hbase 0.94.0. Hbase & ZK both look fine and
are in normal prod use. I don't think we are hitting our
hbase.zookeeper.property.maxClientCnxns as we only have about 95 sessions
in ZK DUMP and I believe it defaults to 2k. I can establish new sessions
using the CLI from the same server and idle there for 10 minutes without
getting dropped. When I start up flume I see the session show up in the ZK
DUMP, see active TCP connection on the port etc., it just keeps
dropping/reconnecting.

Flume & zookeeper logs below, using rsync'd copies of our hadoop & hbase
directories from one of our datanode+regionserver's.

*Searched the flume list, this user appeared to have the same problem, not
sure how he fixed it though:*
http://mail-archives.apache.org/mod_mbox/flume-user/201207.mbox/%3ccadgprhcgztwhuuji1izmrx2uokeawwhyokkskkhymkopakw...@mail.gmail.com%3E

*startup cmd
*/app/apache-flume-1.3.0-SNAPSHOT/bin/flume-ng agent -n agent1 -c ./conf -f
conf/brian.properties  -Dflume.root.logger=INFO,console*
*
*flume-env.sh*
$ cat conf/flume-env.sh

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# If this file is placed at FLUME_CONF_DIR/flume-env.sh, it will be sourced
# during Flume startup.

# Enviroment variables can be set here.

#JAVA_HOME=/usr/lib/jvm/java-6-sun

# Give Flume more memory and pre-allocate, enable remote monitoring via JMX
#JAVA_OPTS="-Xms100m -Xmx200m -Dcom.sun.management.jmxremote"

# Note that the Flume conf directory is always included in the classpath.
#FLUME_CLASSPATH="/app/flume/lib"

FLUME_CLASSPATH="/app/apache-flume-1.3.0-SNAPSHOT/lib"

HBASE_HOME="/app/hbase-0.94.0"

HADOOP_HOME="/app/hadoop-1.0.1"


*config*
$ cat conf/brian.properties
#example.conf: A single-node Flume configuration

# Name the components on this agent
agent1.sources = source1
agent1.sinks = sink1
agent1.channels = channel1

# Describe/configure source1
agent1.sources.source1.type = exec
agent1.sources.source1.command = tail -F /tank/log_dev.log
agent1.sources.source1.batchSize = 1
# Describe sink1
#agent1.sinks.sink1.type = logger
agent1.sinks.sink1.type = org.apache.flume.sink.hbase.HBaseSink
agent1.sinks.sink1.table = brian_test
agent1.sinks.sink1.columnFamily = f1
#agent1.sinks.sink1.serializer =
org.apache.flume.sink.hbase.SimpleHBaseEventSerializer
#agent1.sinks.sink1.serializer =
org.apache.flume.sink.hbase.SimpleHbaseEventSerializer


# Use a channel which buffers events in memory
agent1.channels.channel1.type = memory
agent1.channels.channel1.capacity = 1000
agent1.channels.channel1.transactionCapactiy = 100

# Bind the source and sink to the channel
agent1.sources.source1.channels = channel1
agent1.sinks.sink1.channel = channel1


*flume console log*
2012-10-08 12:06:19,007 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:java.library.path=:/app/hadoop-1.0.1/libexec/../lib/native/FreeBSD-amd64-64:/app/hbase-0.94.0/bin/../lib/native/FreeBSD-amd64-64
2012-10-08 12:06:19,008 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:java.io.tmpdir=/var/tmp/
2012-10-08 12:06:19,008 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:java.compiler=<NA>
2012-10-08 12:06:19,008 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:os.name=FreeBSD
2012-10-08 12:06:19,008 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:os.arch=amd64
2012-10-08 12:06:19,008 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:os.version=9.0-RELEASE
2012-10-08 12:06:19,009 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:user.name=czhang
2012-10-08 12:06:19,009 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:user.home=/users/czhang
2012-10-08 12:06:19,009 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:user.dir=/app/apache-flume-1.3.0-SNAPSHOT
2012-10-08 12:06:19,010 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:433)] Initiating
client connection,
connectString=hbasemaster0.hadoop.domain.com:2181sessionTimeout=180000
watcher=hconnection
2012-10-08 12:06:19,036 (lifecycleSupervisor-1-1) [INFO -
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.<init>(RecoverableZooKeeper.java:97)]
The identifier of this process is [email protected]
2012-10-08 12:06:19,041 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.logStartConnect(ClientCnxn.java:966)]
Opening socket connection to server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181. Will not attempt to
authenticate using SASL (unknown error)
2012-10-08 12:06:19,049 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.primeConnection(ClientCnxn.java:849)]
Socket connection established to
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, initiating session
2012-10-08 12:06:19,072 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.onConnected(ClientCnxn.java:1207)]
Session establishment complete on server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, sessionid =
0x138a0620045bbce, negotiated timeout = 180000
2012-10-08 12:08:19,070 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1083)]
Client session timed out, have not heard from server in 120001ms for
sessionid 0x138a0620045bbce, closing socket connection and attempting
reconnect
2012-10-08 12:08:19,233 (lifecycleSupervisor-1-1) [WARN -
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.retryOrThrow(RecoverableZooKeeper.java:195)]
Possibly transient ZooKeeper exception:
org.apache.zookeeper.KeeperException$ConnectionLossException:
KeeperErrorCode = ConnectionLoss for /hbase/master
2012-10-08 12:08:19,234 (lifecycleSupervisor-1-1) [INFO -
org.apache.hadoop.hbase.util.RetryCounter.sleepUntilNextRetry(RetryCounter.java:53)]
Sleeping 2000ms before retry #1...
2012-10-08 12:08:20,691 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.logStartConnect(ClientCnxn.java:966)]
Opening socket connection to server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181. Will not attempt to
authenticate using SASL (unknown error)
2012-10-08 12:08:20,692 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.primeConnection(ClientCnxn.java:849)]
Socket connection established to
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, initiating session
2012-10-08 12:08:20,695 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.onConnected(ClientCnxn.java:1207)]
Session establishment complete on server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, sessionid =
0x138a0620045bbce, negotiated timeout = 180000
2012-10-08 12:10:20,695 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1083)]
Client session timed out, have not heard from server in 120000ms for
sessionid 0x138a0620045bbce, closing socket connection and attempting
reconnect
2012-10-08 12:10:20,796 (lifecycleSupervisor-1-1) [WARN -
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.retryOrThrow(RecoverableZooKeeper.java:195)]
Possibly transient ZooKeeper exception:
org.apache.zookeeper.KeeperException$ConnectionLossException:
KeeperErrorCode = ConnectionLoss for /hbase/master
2012-10-08 12:10:20,796 (lifecycleSupervisor-1-1) [INFO -
org.apache.hadoop.hbase.util.RetryCounter.sleepUntilNextRetry(RetryCounter.java:53)]
Sleeping 4000ms before retry #2...
2012-10-08 12:10:22,792 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.logStartConnect(ClientCnxn.java:966)]
Opening socket connection to server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181. Will not attempt to
authenticate using SASL (unknown error)
2012-10-08 12:10:22,794 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.primeConnection(ClientCnxn.java:849)]
Socket connection established to
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, initiating session
2012-10-08 12:10:22,799 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.onConnected(ClientCnxn.java:1207)]
Session establishment complete on server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, sessionid =
0x138a0620045bbce, negotiated timeout = 180000
2012-10-08 12:12:22,800 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1083)]
Client session timed out, have not heard from server in 120001ms for
sessionid 0x138a0620045bbce, closing socket connection and attempting
reconnect
2012-10-08 12:12:22,902 (lifecycleSupervisor-1-1) [WARN -
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.retryOrThrow(RecoverableZooKeeper.java:195)]
Possibly transient ZooKeeper exception:
org.apache.zookeeper.KeeperException$ConnectionLossException:
KeeperErrorCode = ConnectionLoss for /hbase/master
2012-10-08 12:12:22,903 (lifecycleSupervisor-1-1) [INFO -
org.apache.hadoop.hbase.util.RetryCounter.sleepUntilNextRetry(RetryCounter.java:53)]
Sleeping 8000ms before retry #3...
2012-10-08 12:12:24,289 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.logStartConnect(ClientCnxn.java:966)]
Opening socket connection to server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181. Will not attempt to
authenticate using SASL (unknown error)
2012-10-08 12:12:24,291 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.primeConnection(ClientCnxn.java:849)]
Socket connection established to
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, initiating session
2012-10-08 12:12:24,294 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.onConnected(ClientCnxn.java:1207)]
Session establishment complete on server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, sessionid =
0x138a0620045bbce, negotiated timeout = 180000
2012-10-08 12:14:24,294 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1083)]
Client session timed out, have not heard from server in 120000ms for
sessionid 0x138a0620045bbce, closing socket connection and attempting
reconnect
2012-10-08 12:14:24,395 (lifecycleSupervisor-1-1) [WARN -
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.retryOrThrow(RecoverableZooKeeper.java:195)]
Possibly transient ZooKeeper exception:
org.apache.zookeeper.KeeperException$ConnectionLossException:
KeeperErrorCode = ConnectionLoss for /hbase/master
2012-10-08 12:14:24,395 (lifecycleSupervisor-1-1) [ERROR -
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.retryOrThrow(RecoverableZooKeeper.java:197)]
ZooKeeper exists failed after 3 retries
2012-10-08 12:14:24,398 (lifecycleSupervisor-1-1) [WARN -
org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndCheckExists(ZKUtil.java:239)]
hconnection-0x138a0620045bbce-0x138a0620045bbce-0x138a0620045bbce-0x138a0620045bbce
Unable to set watcher on znode /hbase/master
org.apache.zookeeper.KeeperException$ConnectionLossException:
KeeperErrorCode = ConnectionLoss for /hbase/master
        at
org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
        at
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
        at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1036)
        at
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:150)
        at
org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndCheckExists(ZKUtil.java:230)
        at
org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.start(ZooKeeperNodeTracker.java:82)
        at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.ensureZookeeperTrackers(HConnectionManager.java:590)
        at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:818)
        at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:801)
        at
org.apache.hadoop.hbase.client.HTable.finishSetup(HTable.java:234)
        at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:174)
        at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:133)
        at org.apache.flume.sink.hbase.HBaseSink.start(HBaseSink.java:107)
        at
org.apache.flume.sink.DefaultSinkProcessor.start(DefaultSinkProcessor.java:46)
        at org.apache.flume.SinkRunner.start(SinkRunner.java:79)
        at
org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run(LifecycleSupervisor.java:236)
        at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at
java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178)
        at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
        at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:722)
2012-10-08 12:14:24,405 (lifecycleSupervisor-1-1) [ERROR -
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.keeperException(ZooKeeperWatcher.java:408)]
hconnection-0x138a0620045bbce-0x138a0620045bbce-0x138a0620045bbce-0x138a0620045bbce
Received unexpected KeeperException, re-throwing exception
org.apache.zookeeper.KeeperException$ConnectionLossException:
KeeperErrorCode = ConnectionLoss for /hbase/master
        at
org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
        at
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
        at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1036)
        at
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:150)
        at
org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndCheckExists(ZKUtil.java:230)
        at
org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.start(ZooKeeperNodeTracker.java:82)
        at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.ensureZookeeperTrackers(HConnectionManager.java:590)
        at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:818)
        at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:801)
        at
org.apache.hadoop.hbase.client.HTable.finishSetup(HTable.java:234)
        at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:174)
        at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:133)
        at org.apache.flume.sink.hbase.HBaseSink.start(HBaseSink.java:107)
        at
org.apache.flume.sink.DefaultSinkProcessor.start(DefaultSinkProcessor.java:46)
        at org.apache.flume.SinkRunner.start(SinkRunner.java:79)
        at
org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run(LifecycleSupervisor.java:236)
        at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at
java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178)
        at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
        at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:722)
2012-10-08 12:14:24,407 (lifecycleSupervisor-1-1) [INFO -
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.abort(HConnectionManager.java:1654)]
This client just lost it's session with ZooKeeper, will automatically
reconnect when needed.
2012-10-08 12:14:26,166 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.logStartConnect(ClientCnxn.java:966)]
Opening socket connection to server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181. Will not attempt to
authenticate using SASL (unknown error)
2012-10-08 12:14:26,167 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.primeConnection(ClientCnxn.java:849)]
Socket connection established to
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, initiating session
2012-10-08 12:14:26,170 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.onConnected(ClientCnxn.java:1207)]
Session establishment complete on server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, sessionid =
0x138a0620045bbce, negotiated timeout = 180000

*zookeeper log*
2012-10-08 19:06:19,049 INFO
org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket
connection from /10.10.10.64:16755
2012-10-08 19:06:19,053 INFO org.apache.zookeeper.server.ZooKeeperServer:
Client attempting to establish new session at /10.10.10.64:16755
2012-10-08 19:06:19,069 INFO org.apache.zookeeper.server.ZooKeeperServer:
Established session 0x138a0620045bbce with negotiated timeout 180000 for
client /10.10.10.64:16755
2012-10-08 19:08:19,072 INFO org.apache.zookeeper.server.NIOServerCnxn:
Closed socket connection for client /10.10.10.64:16755 which had sessionid
0x138a0620045bbce
2012-10-08 19:08:20,692 INFO
org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket
connection from /10.10.10.64:33245
2012-10-08 19:08:20,693 INFO org.apache.zookeeper.server.ZooKeeperServer:
Client attempting to renew session 0x138a0620045bbce at /10.10.10.64:33245
2012-10-08 19:08:20,694 INFO org.apache.zookeeper.server.ZooKeeperServer:
Established session 0x138a0620045bbce with negotiated timeout 180000 for
client /10.10.10.64:33245
2012-10-08 19:10:20,695 WARN org.apache.zookeeper.server.NIOServerCnxn:
caught end of stream exception
EndOfStreamException: Unable to read additional data from client sessionid
0x138a0620045bbce, likely client has closed socket
    at
org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:220)
    at
org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:224)
    at java.lang.Thread.run(Thread.java:619)
2012-10-08 19:10:20,698 INFO org.apache.zookeeper.server.NIOServerCnxn:
Closed socket connection for client /10.10.10.64:33245 which had sessionid
0x138a0620045bbce
2012-10-08 19:10:22,794 INFO
org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket
connection from /10.10.10.64:44993
2012-10-08 19:10:22,796 INFO org.apache.zookeeper.server.ZooKeeperServer:
Client attempting to renew session 0x138a0620045bbce at /10.10.10.64:44993
2012-10-08 19:10:22,798 INFO org.apache.zookeeper.server.ZooKeeperServer:
Established session 0x138a0620045bbce with negotiated timeout 180000 for
client /10.10.10.64:44993

*We also tried the hbase async sink as that is recommended over in the
flume group, and got similar ** results (but seemingly more serious
CONNECTIONLOSS errors)*

2012-10-08 14:38:29,640 (conf-file-poller-0) [INFO -
org.apache.flume.node.nodemanager.DefaultLogicalNodeManager.startAllComponents(DefaultLogicalNodeManager.java:106)]
Starting new configuration:{
sourceRunners:{source1=EventDrivenSourceRunner: {
source:org.apache.flume.source.ExecSource{name:source1,state:IDLE} }}
sinkRunners:{sink1=SinkRunner: {
policy:org.apache.flume.sink.DefaultSinkProcessor@3968a6fe counterGroup:{
name:null counters:{} } }}
channels:{channel1=org.apache.flume.channel.MemoryChannel{name: channel1}} }
2012-10-08 14:38:29,640 (conf-file-poller-0) [INFO -
org.apache.flume.node.nodemanager.DefaultLogicalNodeManager.startAllComponents(DefaultLogicalNodeManager.java:113)]
Starting Channel channel1
2012-10-08 14:38:29,641 (lifecycleSupervisor-1-0) [INFO -
org.apache.flume.instrumentation.MonitoredCounterGroup.start(MonitoredCounterGroup.java:82)]
Component type: CHANNEL, name: channel1 started
2012-10-08 14:38:29,642 (conf-file-poller-0) [INFO -
org.apache.flume.node.nodemanager.DefaultLogicalNodeManager.startAllComponents(DefaultLogicalNodeManager.java:141)]
Starting Sink sink1
2012-10-08 14:38:29,642 (lifecycleSupervisor-1-1) [INFO -
org.apache.flume.instrumentation.MonitoredCounterGroup.start(MonitoredCounterGroup.java:82)]
Component type: SINK, name: sink1 started
2012-10-08 14:38:29,643 (conf-file-poller-0) [INFO -
org.apache.flume.node.nodemanager.DefaultLogicalNodeManager.startAllComponents(DefaultLogicalNodeManager.java:152)]
Starting Source source1
2012-10-08 14:38:29,643 (lifecycleSupervisor-1-0) [INFO -
org.apache.flume.source.ExecSource.start(ExecSource.java:155)] Exec source
starting with command:tail -F
/tank/clients/telescope/users/czhang/connecttwitter_dev.log
2012-10-08 14:38:29,816 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:zookeeper.version=3.4.4-1386507, built on 09/17/2012 08:33 GMT
2012-10-08 14:38:29,817 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:host.name=app14.app.domain.com
2012-10-08 14:38:29,817 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:java.version=1.7.0_02
2012-10-08 14:38:29,817 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:java.vendor=Oracle Corporation
2012-10-08 14:38:29,817 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:java.home=/usr/local/openjdk7/jre
2012-10-08 14:38:29,817 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:java.class.path=/app/flume/conf:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-avro-source-1.3.0-20120929.012214-20.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-ng-node-1.3.0-SNAPSHOT.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-ng-log4jappender-1.3.0-20120929.012213-20.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/commons-lang-2.5.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/netty-3.2.7.Final.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-scribe-source-1.3.0-20120929.012216-17.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/commons-pool-1.5.4.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/avro-1.7.2.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/avro-ipc-1.7.2.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-thrift-source-1.3.0-20120929.012214-20.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/httpclient-4.0.1.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-ng-core-1.3.0-SNAPSHOT.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-ng-core-1.3.0-20120929.012205-20.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/mina-core-2.0.4.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/jackson-mapper-asl-1.9.3.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/servlet-api-2.5-20110124.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/jcl-over-slf4j-1.7.1.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/jsr305-1.3.9.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-ng-sdk-1.3.0-20120929.012209-20.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/netty-3.4.0.Final.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/jetty-util-6.1.26.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-hdfs-sink-1.3.0-20120929.012214-20.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-ng-configuration-1.3.0-SNAPSHOT.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/commons-collections-3.2.1.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/async-1.2.0.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/paranamer-2.3.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/velocity-1.7.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/commons-codec-1.3.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-ng-hbase-sink-1.3.0-20120929.012215-20.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/irclib-1.10.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-jdbc-channel-1.3.0-20120929.012212-20.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/commons-dbcp-1.4.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/slf4j-api-1.6.1.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/protobuf-java-2.4.1.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-irc-sink-1.3.0-20120929.012215-20.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-ng-configuration-1.3.0-20120929.012205-20.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/joda-time-2.1.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/commons-io-2.1.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-file-channel-1.3.0-20120929.012212-20.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-ng-node-1.3.0-20120929.012209-20.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-recoverable-memory-channel-1.3.0-20120929.012213-20.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/commons-cli-1.2.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/jetty-6.1.26.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/asynchbase-1.2.0.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/gson-2.2.2.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/derby-10.8.2.2.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/commons-logging-1.1.1.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/guava-10.0.1.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/flume-ng-sdk-1.3.0-SNAPSHOT.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/slf4j-log4j12-1.6.1.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/httpcore-4.0.1.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/libthrift-0.6.1.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/log4j-1.2.16.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/zookeeper-3.4.4.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/snappy-java-1.0.4.1.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib/jackson-core-asl-1.9.3.jar:/app/apache-flume-1.3.0-SNAPSHOT/lib:/app/hadoop-1.0.1/libexec/../conf:/usr/local/lib/tools.jar:/app/hadoop-1.0.1/libexec/..:/app/hadoop-1.0.1/libexec/../hadoop-core-1.0.1.jar:/app/hadoop-1.0.1/libexec/../lib/asm-3.2.jar:/app/hadoop-1.0.1/libexec/../lib/aspectjrt-1.6.5.jar:/app/hadoop-1.0.1/libexec/../lib/aspectjtools-1.6.5.jar:/app/hadoop-1.0.1/libexec/../lib/commons-beanutils-1.7.0.jar:/app/hadoop-1.0.1/libexec/../lib/commons-beanutils-core-1.8.0.jar:/app/hadoop-1.0.1/libexec/../lib/commons-cli-1.2.jar:/app/hadoop-1.0.1/libexec/../lib/commons-codec-1.4.jar:/app/hadoop-1.0.1/libexec/../lib/commons-collections-3.2.1.jar:/app/hadoop-1.0.1/libexec/../lib/commons-configuration-1.6.jar:/app/hadoop-1.0.1/libexec/../lib/commons-daemon-1.0.1.jar:/app/hadoop-1.0.1/libexec/../lib/commons-digester-1.8.jar:/app/hadoop-1.0.1/libexec/../lib/commons-el-1.0.jar:/app/hadoop-1.0.1/libexec/../lib/commons-httpclient-3.0.1.jar:/app/hadoop-1.0.1/libexec/../lib/commons-lang-2.4.jar:/app/hadoop-1.0.1/libexec/../lib/commons-logging-1.1.1.jar:/app/hadoop-1.0.1/libexec/../lib/commons-logging-api-1.0.4.jar:/app/hadoop-1.0.1/libexec/../lib/commons-math-2.1.jar:/app/hadoop-1.0.1/libexec/../lib/commons-net-1.4.1.jar:/app/hadoop-1.0.1/libexec/../lib/core-3.1.1.jar:/app/hadoop-1.0.1/libexec/../lib/hadoop-capacity-scheduler-1.0.1.jar:/app/hadoop-1.0.1/libexec/../lib/hadoop-fairscheduler-1.0.1.jar:/app/hadoop-1.0.1/libexec/../lib/hadoop-thriftfs-1.0.1.jar:/app/hadoop-1.0.1/libexec/../lib/hsqldb-1.8.0.10.jar:/app/hadoop-1.0.1/libexec/../lib/jackson-core-asl-1.8.8.jar:/app/hadoop-1.0.1/libexec/../lib/jackson-mapper-asl-1.8.8.jar:/app/hadoop-1.0.1/libexec/../lib/jasper-compiler-5.5.12.jar:/app/hadoop-1.0.1/libexec/../lib/jasper-runtime-5.5.12.jar:/app/hadoop-1.0.1/libexec/../lib/jdeb-0.8.jar:/app/hadoop-1.0.1/libexec/../lib/jersey-core-1.8.jar:/app/hadoop-1.0.1/libexec/../lib/jersey-json-1.8.jar:/app/hadoop-1.0.1/libexec/../lib/jersey-server-1.8.jar:/app/hadoop-1.0.1/libexec/../lib/jets3t-0.6.1.jar:/app/hadoop-1.0.1/libexec/../lib/jetty-6.1.26.jar:/app/hadoop-1.0.1/libexec/../lib/jetty-util-6.1.26.jar:/app/hadoop-1.0.1/libexec/../lib/jsch-0.1.42.jar:/app/hadoop-1.0.1/libexec/../lib/junit-4.5.jar:/app/hadoop-1.0.1/libexec/../lib/kfs-0.2.2.jar:/app/hadoop-1.0.1/libexec/../lib/log4j-1.2.15.jar:/app/hadoop-1.0.1/libexec/../lib/mockito-all-1.8.5.jar:/app/hadoop-1.0.1/libexec/../lib/oro-2.0.8.jar:/app/hadoop-1.0.1/libexec/../lib/servlet-api-2.5-20081211.jar:/app/hadoop-1.0.1/libexec/../lib/xmlenc-0.52.jar:/app/hadoop-1.0.1/libexec/../lib/jsp-2.1/jsp-2.1.jar:/app/hadoop-1.0.1/libexec/../lib/jsp-2.1/jsp-api-2.1.jar:/app/hbase-0.94.0/bin/../conf:/usr/local/lib/tools.jar:/app/hbase-0.94.0/bin/..:/app/hbase-0.94.0/bin/../hbase-0.94.0-tests.jar:/app/hbase-0.94.0/bin/../hbase-0.94.0.jar:/app/hbase-0.94.0/bin/../lib/activation-1.1.jar:/app/hbase-0.94.0/bin/../lib/asm-3.1.jar:/app/hbase-0.94.0/bin/../lib/avro-1.5.3.jar:/app/hbase-0.94.0/bin/../lib/avro-ipc-1.5.3.jar:/app/hbase-0.94.0/bin/../lib/commons-beanutils-1.7.0.jar:/app/hbase-0.94.0/bin/../lib/commons-beanutils-core-1.8.0.jar:/app/hbase-0.94.0/bin/../lib/commons-cli-1.2.jar:/app/hbase-0.94.0/bin/../lib/commons-codec-1.4.jar:/app/hbase-0.94.0/bin/../lib/commons-collections-3.2.1.jar:/app/hbase-0.94.0/bin/../lib/commons-configuration-1.6.jar:/app/hbase-0.94.0/bin/../lib/commons-digester-1.8.jar:/app/hbase-0.94.0/bin/../lib/commons-el-1.0.jar:/app/hbase-0.94.0/bin/../lib/commons-httpclient-3.1.jar:/app/hbase-0.94.0/bin/../lib/commons-io-2.1.jar:/app/hbase-0.94.0/bin/../lib/commons-lang-2.5.jar:/app/hbase-0.94.0/bin/../lib/commons-logging-1.1.1.jar:/app/hbase-0.94.0/bin/../lib/commons-math-2.1.jar:/app/hbase-0.94.0/bin/../lib/commons-net-1.4.1.jar:/app/hbase-0.94.0/bin/../lib/core-3.1.1.jar:/app/hbase-0.94.0/bin/../lib/guava-r09.jar:/app/hbase-0.94.0/bin/../lib/hadoop-core-1.0.1.jar:/app/hbase-0.94.0/bin/../lib/high-scale-lib-1.1.1.jar:/app/hbase-0.94.0/bin/../lib/httpclient-4.1.2.jar:/app/hbase-0.94.0/bin/../lib/httpcore-4.1.3.jar:/app/hbase-0.94.0/bin/../lib/jackson-core-asl-1.5.5.jar:/app/hbase-0.94.0/bin/../lib/jackson-jaxrs-1.5.5.jar:/app/hbase-0.94.0/bin/../lib/jackson-mapper-asl-1.5.5.jar:/app/hbase-0.94.0/bin/../lib/jackson-xc-1.5.5.jar:/app/hbase-0.94.0/bin/../lib/jamon-runtime-2.3.1.jar:/app/hbase-0.94.0/bin/../lib/jasper-compiler-5.5.23.jar:/app/hbase-0.94.0/bin/../lib/jasper-runtime-5.5.23.jar:/app/hbase-0.94.0/bin/../lib/jaxb-api-2.1.jar:/app/hbase-0.94.0/bin/../lib/jaxb-impl-2.1.12.jar:/app/hbase-0.94.0/bin/../lib/jersey-core-1.4.jar:/app/hbase-0.94.0/bin/../lib/jersey-json-1.4.jar:/app/hbase-0.94.0/bin/../lib/jersey-server-1.4.jar:/app/hbase-0.94.0/bin/../lib/jettison-1.1.jar:/app/hbase-0.94.0/bin/../lib/jetty-6.1.26.jar:/app/hbase-0.94.0/bin/../lib/jetty-util-6.1.26.jar:/app/hbase-0.94.0/bin/../lib/jruby-complete-1.6.5.jar:/app/hbase-0.94.0/bin/../lib/jsp-2.1-6.1.14.jar:/app/hbase-0.94.0/bin/../lib/jsp-api-2.1-6.1.14.jar:/app/hbase-0.94.0/bin/../lib/libthrift-0.8.0.jar:/app/hbase-0.94.0/bin/../lib/log4j-1.2.16.jar:/app/hbase-0.94.0/bin/../lib/netty-3.2.4.Final.jar:/app/hbase-0.94.0/bin/../lib/protobuf-java-2.4.0a.jar:/app/hbase-0.94.0/bin/../lib/servlet-api-2.5-6.1.14.jar:/app/hbase-0.94.0/bin/../lib/snappy-java-1.0.3.2.jar:/app/hbase-0.94.0/bin/../lib/stax-api-1.0.1.jar:/app/hbase-0.94.0/bin/../lib/velocity-1.7.jar:/app/hbase-0.94.0/bin/../lib/xmlenc-0.52.jar:/app/hbase-0.94.0/bin/../lib/zookeeper-3.4.3.jar:.:/app/hbase-0.94.0/conf
2012-10-08 14:38:29,819 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:java.library.path=:/app/hadoop-1.0.1/libexec/../lib/native/FreeBSD-amd64-64:/app/hbase-0.94.0/bin/../lib/native/FreeBSD-amd64-64
2012-10-08 14:38:29,819 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:java.io.tmpdir=/var/tmp/
2012-10-08 14:38:29,819 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:java.compiler=<NA>
2012-10-08 14:38:29,819 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:os.name=FreeBSD
2012-10-08 14:38:29,820 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:os.arch=amd64
2012-10-08 14:38:29,820 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:os.version=9.0-RELEASE
2012-10-08 14:38:29,820 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:user.name=czhang
2012-10-08 14:38:29,820 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:user.home=/tank/clients/telescope/users/czhang
2012-10-08 14:38:29,820 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.Environment.logEnv(Environment.java:100)] Client
environment:user.dir=/app/apache-flume-1.3.0-SNAPSHOT
2012-10-08 14:38:29,822 (lifecycleSupervisor-1-1) [INFO -
org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:433)] Initiating
client connection,
connectString=hbasemaster0.hadoop.domain.comsessionTimeout=5000
watcher=org.hbase.async.HBaseClient$ZKClient@4d1c2914
2012-10-08 14:38:29,863 (lifecycleSupervisor-1-1) [INFO -
org.hbase.async.HBaseClient$ZKClient.getDeferredRoot(HBaseClient.java:2238)]
Need to find the -ROOT- region
2012-10-08 14:38:29,870 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.logStartConnect(ClientCnxn.java:966)]
Opening socket connection to server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181. Will not attempt to
authenticate using SASL (unknown error)
2012-10-08 14:38:29,879 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.primeConnection(ClientCnxn.java:849)]
Socket connection established to
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, initiating session
2012-10-08 14:38:29,908 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.onConnected(ClientCnxn.java:1207)]
Session establishment complete on server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, sessionid =
0x138a0620045bdb5, negotiated timeout = 6000
2012-10-08 14:38:33,906 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1083)]
Client session timed out, have not heard from server in 4001ms for
sessionid 0x138a0620045bdb5, closing socket connection and attempting
reconnect
2012-10-08 14:38:34,013 (lifecycleSupervisor-1-1-EventThread) [ERROR -
org.hbase.async.HBaseClient$ZKClient$2.processResult(HBaseClient.java:2407)]
Looks like our ZK session expired or is broken, rc=-4: CONNECTIONLOSS
2012-10-08 14:38:34,969 (lifecycleSupervisor-1-1-EventThread) [INFO -
org.apache.zookeeper.ZooKeeper.close(ZooKeeper.java:679)] Session:
0x138a0620045bdb5 closed
2012-10-08 14:38:34,969 (lifecycleSupervisor-1-1-EventThread) [INFO -
org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:433)] Initiating
client connection,
connectString=hbasemaster0.hadoop.domain.comsessionTimeout=5000
watcher=org.hbase.async.HBaseClient$ZKClient@4d1c2914
2012-10-08 14:38:34,971 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.logStartConnect(ClientCnxn.java:966)]
Opening socket connection to server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181. Will not attempt to
authenticate using SASL (unknown error)
2012-10-08 14:38:34,972 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.primeConnection(ClientCnxn.java:849)]
Socket connection established to
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, initiating session
2012-10-08 14:38:34,986 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.onConnected(ClientCnxn.java:1207)]
Session establishment complete on server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, sessionid =
0x138a0620045bdba, negotiated timeout = 6000
2012-10-08 14:38:39,088 (lifecycleSupervisor-1-1-EventThread) [INFO -
org.apache.zookeeper.ZooKeeper.close(ZooKeeper.java:679)] Session:
0x138a0620045bdba closed
2012-10-08 14:38:39,089 (lifecycleSupervisor-1-1-EventThread) [WARN -
org.hbase.async.HBaseClient$ZKClient.process(HBaseClient.java:2304)] No
longer connected to ZooKeeper, event=WatchedEvent state:Disconnected
type:None path:null
2012-10-08 14:38:39,089 (lifecycleSupervisor-1-1-EventThread) [INFO -
org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:433)] Initiating
client connection,
connectString=hbasemaster0.hadoop.domain.comsessionTimeout=5000
watcher=org.hbase.async.HBaseClient$ZKClient@4d1c2914
2012-10-08 14:38:39,090 (lifecycleSupervisor-1-1-EventThread) [INFO -
org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:509)]
EventThread shut down
2012-10-08 14:38:39,090 (lifecycleSupervisor-1-1-EventThread) [INFO -
org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:509)]
EventThread shut down
2012-10-08 14:38:39,091 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.logStartConnect(ClientCnxn.java:966)]
Opening socket connection to server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181. Will not attempt to
authenticate using SASL (unknown error)
2012-10-08 14:38:39,092 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.primeConnection(ClientCnxn.java:849)]
Socket connection established to
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, initiating session
2012-10-08 14:38:39,163 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.onConnected(ClientCnxn.java:1207)]
Session establishment complete on server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, sessionid =
0x138a0620045bdbb, negotiated timeout = 6000
2012-10-08 14:38:43,164 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1083)]
Client session timed out, have not heard from server in 4001ms for
sessionid 0x138a0620045bdbb, closing socket connection and attempting
reconnect
2012-10-08 14:38:43,265 (lifecycleSupervisor-1-1-EventThread) [ERROR -
org.hbase.async.HBaseClient$ZKClient$2.processResult(HBaseClient.java:2407)]
Looks like our ZK session expired or is broken, rc=-4: CONNECTIONLOSS
2012-10-08 14:38:43,683 (lifecycleSupervisor-1-1-EventThread) [INFO -
org.apache.zookeeper.ZooKeeper.close(ZooKeeper.java:679)] Session:
0x138a0620045bdbb closed
2012-10-08 14:38:43,684 (lifecycleSupervisor-1-1-EventThread) [INFO -
org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:433)] Initiating
client connection,
connectString=hbasemaster0.hadoop.domain.comsessionTimeout=5000
watcher=org.hbase.async.HBaseClient$ZKClient@4d1c2914
2012-10-08 14:38:43,686 (lifecycleSupervisor-1-1-EventThread) [ERROR -
org.hbase.async.HBaseClient$ZKClient$2.processResult(HBaseClient.java:2407)]
Looks like our ZK session expired or is broken, rc=-4: CONNECTIONLOSS
2012-10-08 14:38:43,687 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.logStartConnect(ClientCnxn.java:966)]
Opening socket connection to server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181. Will not attempt to
authenticate using SASL (unknown error)
2012-10-08 14:38:43,688 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.primeConnection(ClientCnxn.java:849)]
Socket connection established to
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, initiating session
2012-10-08 14:38:43,701 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.onConnected(ClientCnxn.java:1207)]
Session establishment complete on server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, sessionid =
0x138a0620045bdbc, negotiated timeout = 6000
2012-10-08 14:38:47,802 (lifecycleSupervisor-1-1-EventThread) [INFO -
org.apache.zookeeper.ZooKeeper.close(ZooKeeper.java:679)] Session:
0x138a0620045bdbc closed
2012-10-08 14:38:47,804 (lifecycleSupervisor-1-1-EventThread) [INFO -
org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:433)] Initiating
client connection,
connectString=hbasemaster0.hadoop.domain.comsessionTimeout=5000
watcher=org.hbase.async.HBaseClient$ZKClient@4d1c2914
2012-10-08 14:38:47,807 (lifecycleSupervisor-1-1-EventThread) [INFO -
org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:509)]
EventThread shut down
2012-10-08 14:38:47,810 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.logStartConnect(ClientCnxn.java:966)]
Opening socket connection to server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181. Will not attempt to
authenticate using SASL (unknown error)
2012-10-08 14:38:47,812 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.primeConnection(ClientCnxn.java:849)]
Socket connection established to
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, initiating session
2012-10-08 14:38:47,821 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.onConnected(ClientCnxn.java:1207)]
Session establishment complete on server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, sessionid =
0x138a0620045bdbd, negotiated timeout = 6000
2012-10-08 14:38:51,922 (lifecycleSupervisor-1-1-EventThread) [INFO -
org.apache.zookeeper.ZooKeeper.close(ZooKeeper.java:679)] Session:
0x138a0620045bdbd closed
2012-10-08 14:38:51,922 (lifecycleSupervisor-1-1-EventThread) [WARN -
org.hbase.async.HBaseClient$ZKClient.process(HBaseClient.java:2304)] No
longer connected to ZooKeeper, event=WatchedEvent state:Disconnected
type:None path:null
2012-10-08 14:38:51,923 (lifecycleSupervisor-1-1-EventThread) [INFO -
org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:433)] Initiating
client connection,
connectString=hbasemaster0.hadoop.domain.comsessionTimeout=5000
watcher=org.hbase.async.HBaseClient$ZKClient@4d1c2914
2012-10-08 14:38:51,924 (lifecycleSupervisor-1-1-EventThread) [INFO -
org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:509)]
EventThread shut down
2012-10-08 14:38:51,924 (lifecycleSupervisor-1-1-EventThread) [ERROR -
org.hbase.async.HBaseClient$ZKClient$2.processResult(HBaseClient.java:2407)]
Looks like our ZK session expired or is broken, rc=-4: CONNECTIONLOSS
2012-10-08 14:38:51,925 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.logStartConnect(ClientCnxn.java:966)]
Opening socket connection to server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181. Will not attempt to
authenticate using SASL (unknown error)
2012-10-08 14:38:51,926 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.primeConnection(ClientCnxn.java:849)]
Socket connection established to
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, initiating session
2012-10-08 14:38:51,945 (lifecycleSupervisor-1-1-SendThread(
hbasemaster0.hadoop.domain.com:2181)) [INFO -
org.apache.zookeeper.ClientCnxn$SendThread.onConnected(ClientCnxn.java:1207)]
Session establishment complete on server
hbasemaster0.hadoop.domain.com/10.10.11.30:2181, sessionid =
0x138a0620045bdbe, negotiated timeout = 6000

Thanks for the continued help from the community on getting us going w/flume

Cheers,

-- 
Iain Wright
Cell: (562) 852-5916

<http://www.labctsi.org/>
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