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From Henri Pipe <henri.p...@gmail.com>
Subject Zookeeper available but no active master location found
Date Thu, 12 Apr 2012 23:23:35 GMT
"client.HConnectionManager$HConnectionImplementation: ZooKeeper available
but no active master location found"

Having a problem with master startup that I have not seen before.

running the following packages:

hadoop-hbase-0.90.4+49.137-1
hadoop-0.20-secondarynamenode-0.20.2+923.197-1
hadoop-hbase-thrift-0.90.4+49.137-1
hadoop-zookeeper-3.3.4+19.3-1
hadoop-0.20-datanode-0.20.2+923.197-1
hadoop-0.20-namenode-0.20.2+923.197-1
hadoop-0.20-tasktracker-0.20.2+923.197-1
hadoop-hbase-regionserver-0.90.4+49.137-1
hadoop-zookeeper-server-3.3.4+19.3-1
hadoop-0.20-0.20.2+923.197-1
hadoop-0.20-jobtracker-0.20.2+923.197-1
hadoop-hbase-master-0.90.4+49.137-1
[root@ip-10-251-27-130 logs]# java -version
java version "1.6.0_31"
Java(TM) SE Runtime Environment (build 1.6.0_31-b04)
Java HotSpot(TM) 64-Bit Server VM (build 20.6-b01, mixed mode)

I start master and region server on another node.

Master is initialized, but as soon as I try to check the master_status or
do a zkdump via web interface, it blows up with:

2012-04-12 19:16:10,453 INFO
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation:
ZooKeeper available but no active master location found
2012-04-12 19:16:10,453 INFO
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation:
getMaster attempt 10 of 10 failed; retrying after sleep of 16000

I am running three zookeepers:

# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial
# synchronization phase can take
initLimit=10
# The number of ticks that can pass between
# sending a request and getting an acknowledgement
syncLimit=5
# the directory where the snapshot is stored.
dataDir=/mnt/zookeeper
# The maximum number of zookeeper client connections
maxClientCnxns=2000
# the port at which the clients will connect
clientPort=2181
server.1=10.251.27.130:2888:3888
server.2=10.250.9.220:2888:3888
server.3=10.251.110.50:2888:3888

I can telnet to the zookeepers just fine.

Here is my hbase-site.xml file:

<configuration>
  <property>
    <name>hbase.rootdir</name>
    <value>hdfs://namenode:9000/hbase</value>
  </property>
  <property>
    <name>hbase.cluster.distributed</name>
    <value>true</value>
  </property>
<property>
    <name>hbase.zookeeper.quorum</name>
    <value>10.251.27.130,10.250.9.220,10.251.110.50</value>
</property>
<property>
    <name>hbase.zookeeper.property.dataDir</name>
    <value>/hadoop/zookeeper/data</value>
</property>
<property>
    <name>hbase.zookeeper.property.maxClientCnxns</name>
    <value>2000</value>
    <final>true</final>
</property>
</configuration>

Any thoughts? Any help is greatly appreciated.

Thanks

Henri Pipe

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