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From "Rob Burkhard" <...@robburkhard.com>
Subject Request Apache Accumulo error help using Hadoop and Zookeeper in a test environment
Date Wed, 21 Dec 2011 00:36:10 GMT
 I am setting up a test environment using apache accumulo ver 1.4.0,
 hadoop ver 0.20.2 and zookeeper ver 3.3.3. Hadoop and Zookeeper work
 great together, but when I start accumulo shell using the procedures on
 apache incubator, accumulo complains:
 
 
 18 12:44:38,746 [impl.ServerClient] WARN : Failed to find an available
 server in the list of servers: [] 
 18 12:44:38,846 [impl.ServerClient] WARN : Failed to find an available
 server in the list of servers: [] 
 18 12:44:38,947 [impl.ServerClient] WARN : Failed to find an available
 server in the list of servers: [] 
 18 12:44:39,048 [impl.ServerClient] WARN : Failed to find an available
 server in the list of servers: [] 
 18 12:44:39,148 [impl.ServerClient] WARN : Failed to find an available
 server in the list of servers: [] 
 18 12:44:39,249 [impl.ServerClient] WARN : Failed to find an available
 server in the list of servers: [] 
 18 12:44:39,350 [impl.ServerClient] WARN : Failed to find an available
 server in the list of servers: [] 
 18 12:44:39,450 [impl.ServerClient] WARN : Failed to find an available
 server in the list of servers: [] 
 
 
 I have followed the instructions carefully on accumulo-incubator and
 built this several times on Centos and Ubuntu OS witht he same results.

 I have also manipulated the memory settings with no change in
 performance. Please see my Accumulo, Hadoop and Zoo configuration files
 below. 
 Any help would be appreciated. This is driving me crazy :)
 
 
 
 cat zoo/conf/zoo.cfg 
 # 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=/home/hadoop/zoo/dataDir
 # the port at which the clients will connect
 clientPort=2181
 maxClientCnxns=100
 
 
 cat hadoop/conf/core-site.xml 
 <?xml version="1.0"?>
 <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
 
 <!-- Put site-specific property overrides in this file. -->
 
 <configuration>
 <property>
 <name>fs.default.name</name>
 <value>hdfs://localhost:9000</value>
 </property>
 </configuration>
 
 
 
 cat hadoop/conf/hadoop-env.sh 
 # Set Hadoop-specific environment variables here.
 
 # The only required environment variable is JAVA_HOME. All others are
 # optional. When running a distributed configuration it is best to
 # set JAVA_HOME in this file, so that it is correctly defined on
 # remote nodes.
 
 # The java implementation to use. Required.
 export JAVA_HOME=/usr/lib/jvm/java-6-openjdk
 
 # Extra Java CLASSPATH elements. Optional.
 # export HADOOP_CLASSPATH=
 
 # The maximum amount of heap to use, in MB. Default is 1000.
 # export HADOOP_HEAPSIZE=2000
 
 # Extra Java runtime options. Empty by default.
 # export HADOOP_OPTS=-server
 
 # Command specific options appended to HADOOP_OPTS when specified
 export HADOOP_NAMENODE_OPTS="-Dcom.sun.management.jmxremote
 $HADOOP_NAMENODE_OPTS"
 export HADOOP_SECONDARYNAMENODE_OPTS="-Dcom.sun.management.jmxremote
 $HADOOP_SECONDARYNAMENODE_OPTS"
 export HADOOP_DATANODE_OPTS="-Dcom.sun.management.jmxremote
 $HADOOP_DATANODE_OPTS"
 export HADOOP_BALANCER_OPTS="-Dcom.sun.management.jmxremote
 $HADOOP_BALANCER_OPTS"
 export HADOOP_JOBTRACKER_OPTS="-Dcom.sun.management.jmxremote
 $HADOOP_JOBTRACKER_OPTS"
 # export HADOOP_TASKTRACKER_OPTS=
 # The following applies to multiple commands (fs, dfs, fsck, distcp
etc)
 # export HADOOP_CLIENT_OPTS
 
 # Extra ssh options. Empty by default.
 # export HADOOP_SSH_OPTS="-o ConnectTimeout=1 -o
 SendEnv=HADOOP_CONF_DIR"
 
 # Where log files are stored. $HADOOP_HOME/logs by default.
 # export HADOOP_LOG_DIR=${HADOOP_HOME}/logs
 
 # File naming remote slave hosts. $HADOOP_HOME/conf/slaves by default.
 # export HADOOP_SLAVES=${HADOOP_HOME}/conf/slaves
 
 # host:path where hadoop code should be rsync'd from. Unset by default.
 # export HADOOP_MASTER=master:/home/$USER/src/hadoop
 
 # Seconds to sleep between slave commands. Unset by default. This
 # can be useful in large clusters, where, e.g., slave rsyncs can
 # otherwise arrive faster than the master can service them.
 # export HADOOP_SLAVE_SLEEP=0.1
 
 # The directory where pid files are stored. /tmp by default.
 # export HADOOP_PID_DIR=/var/hadoop/pids
 
 # A string representing this instance of hadoop. $USER by default.
 # export HADOOP_IDENT_STRING=$USER
 
 # The scheduling priority for daemon processes. See 'man nice'.
 # export HADOOP_NICENESS=10
 
 
 accumulo-env.sh
 #! /usr/bin/env bash
 
 # 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.
 
 ###
 ### Configure these environment variables to point to your local
 installations.
 ###
 ### The functional tests require conditional values, so keep this
style:
 ###
 ### test -z "$JAVA_HOME" && export JAVA_HOME=/usr/local/lib/jdk-1.6.0
 ###
 ###
 ### Note that the -Xmx -Xms settings below require substantial free
 memory: 
 ### you may want to use smaller values, especially when running
 everything
 ### on a single machine.
 ###
 
 test -z "$JAVA_HOME" && export
 JAVA_HOME=/usr/lib/jvm/java-6-sun
 test -z "$HADOOP_HOME" && export
 HADOOP_HOME=/home/hadoop/hadoop-0.20.2
 test -z "$ACCUMULO_LOG_DIR" && export
 ACCUMULO_LOG_DIR=/home/hadoop/accumulo/logs
 test -z "$ZOOKEEPER_HOME" && export
 ZOOKEEPER_HOME=/home/hadoop/zoo/
 if [ -f ${ACCUMULO_HOME}/conf/accumulo.policy ]
 then
 POLICY="-Djava.security.manager
 -Djava.security.policy=${ACCUMULO_HOME}/conf/accumulo.policy"
 fi
 test -z "$ACCUMULO_TSERVER_OPTS" && export
 ACCUMULO_TSERVER_OPTS="${POLICY} -Xmx128m -Xms128m -Xss128k"
 test -z "$ACCUMULO_MASTER_OPTS" && export
 ACCUMULO_MASTER_OPTS="${POLICY} -Xmx128m -Xms128m"
 test -z "$ACCUMULO_MONITOR_OPTS" && export
 ACCUMULO_MONITOR_OPTS="${POLICY} -Xmx128m -Xms128m" 
 test -z "$ACCUMULO_GC_OPTS" && export ACCUMULO_GC_OPTS="-Xmx128m
 -Xms128m"
 test -z "$ACCUMULO_LOGGER_OPTS" && export
 ACCUMULO_LOGGER_OPTS="-Xmx128m -Xms128m"
 test -z "$ACCUMULO_GENERAL_OPTS" && export
 ACCUMULO_GENERAL_OPTS="-XX:+UseConcMarkSweepGC
 -XX:CMSInitiatingOccupancyFraction=75"
 test -z "$ACCUMULO_OTHER_OPTS" && export ACCUMULO_OTHER_OPTS="-Xmx128m
 -Xms128m"
 export ACCUMULO_LOG_HOST=`(grep -v '^#' $ACCUMULO_HOME/conf/masters ;
 echo localhost ) 2>/dev/null | head -1`
 
 accumulo-site.xml
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 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.
 -->
 <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
 
 <configuration>
 <!--
 Put your site-specific accumulo configurations here.
 
 The available configuration values along with their defaults
 are documented in docs/config.html
 
 Unless you are simply testing at your workstation, you will most 
 definitely need to change the three entries below.
 -->
 <property>
 <name>instance.zookeeper.host</name>
 <value>localhost:2181</value>
 <description>list of zookeeper servers</description>
 </property>
 <property>
 <name>logger.dir.walog</name>
 <value>/home/hadoop/walogs</value>
 <description>local directory for write ahead logs</description>
 </property>
 
 <property>
 <name>instance.secret</name>
 <value>cloud</value>
 <description>A secret unique to a given instance that all servers
 must know in order to communicate with one another. 
 Change it before initialization. To change it later
 use ./bin/accumulo org.apache.accumulo.server.util.ChangeSecret
 [oldpasswd] [newpasswd], 
 and then update this file.
 </description>
 </property>
 
 <property>
 <name>tserver.memory.maps.max</name>
 <value>128M</value>
 </property>
 
 <property>
 <name>tserver.cache.data.size</name>
 <value>50M</value>
 </property>
 
 <property>
 <name>tserver.cache.index.size</name>
 <value>128M</value>
 </property>
 
 <property>
 <name>general.classpaths</name>
 <value>
 $ACCUMULO_HOME/src/server/target/classes/,
 $ACCUMULO_HOME/src/core/target/classes/,
 $ACCUMULO_HOME/src/start/target/classes/,
 $ACCUMULO_HOME/src/examples/target/classes/,
 $ACCUMULO_HOME/lib/[^.].$ACCUMULO_VERSION.jar,
 $ACCUMULO_HOME/lib/[^.].*.jar,
 $ZOOKEEPER_HOME/[^.].*.jar,
 $HADOOP_HOME/conf,
 $HADOOP_HOME/[^.].*.jar,
 $HADOOP_HOME/lib/[^.].*.jar,
 </value>
 <description>Classpaths that accumulo checks for updates and class
 files.
 When using the Security Manager, please remove the
 ".../target/classes/" values.
 </description>
 </property>
 
 </configuration>


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