Hey ALex Which file do I download from the apache commons website? Thanks Mithila On Fri, Nov 21, 2008 at 8:15 PM, Mithila Nagendra <[EMAIL PROTECTED]> wrote:
> I tried the 0.18.2 as welll.. it gave me the same exception.. so tried the > lower version.. I should check if this works.. Thanks! > > > On Fri, Nov 21, 2008 at 5:06 AM, Alex Loddengaard <[EMAIL PROTECTED]>wrote: > >> Maybe try downloading the Apache Commons - Logging jars (< >> http://commons.apache.org/downloads/download_logging.cgi>) and drop them >> in >> to $HADOOP_HOME/lib. >> Just curious, if you're starting a new cluster, why have you chosen to use >> 0.17.* and not 0.18.2? It would be a good idea to use 0.18.2 if possible. >> >> Alex >> >> On Thu, Nov 20, 2008 at 4:36 PM, Mithila Nagendra <[EMAIL PROTECTED]> >> wrote: >> >> > Hey >> > The version is: Linux enpc3740.eas.asu.edu 2.6.9-67.0.20.EL #1 Wed Jun >> 18 >> > 12:23:46 EDT 2008 i686 i686 i386 GNU/Linux, this is what I got when I >> used >> > the command uname -a (thanks Tom!) >> > >> > Yea it is bin/start-all.. Following is the exception that I got when i >> > tried >> > to start the daemons.. >> > >> > >> > [EMAIL PROTECTED] mithila]$ ls >> > hadoop-0.17.2.1 hadoop-0.18.2 hadoop-0.18.2.tar.gz >> > [EMAIL PROTECTED] mithila]$ cd hadoop-0.17* >> > [EMAIL PROTECTED] hadoop-0.17.2.1]$ ls >> > bin c++ conf docs >> > hadoop-0.17.2.1-examples.jar lib LICENSE.txt NOTICE.txt src >> > build.xml CHANGES.txt contrib hadoop-0.17.2.1-core.jar >> > hadoop-0.17.2.1-test.jar libhdfs logs README.txt webapps >> > [EMAIL PROTECTED] hadoop-0.17.2.1]$ bin/start-all >> > bash: bin/start-all: No such file or directory >> > [EMAIL PROTECTED] hadoop-0.17.2.1]$ bin/start-all.sh >> > starting namenode, logging to >> > >> > >> /home/mithila/hadoop-0.17.2.1/bin/../logs/hadoop-mithila-namenode-node01.out >> > [EMAIL PROTECTED]'s password: >> > localhost: starting datanode, logging to >> > >> > >> /home/mithila/hadoop-0.17.2.1/bin/../logs/hadoop-mithila-datanode-node01.out >> > [EMAIL PROTECTED]'s password: >> > localhost: starting secondarynamenode, logging to >> > >> > >> /home/mithila/hadoop-0.17.2.1/bin/../logs/hadoop-mithila-secondarynamenode-node01.out >> > starting jobtracker, logging to >> > >> > >> /home/mithila/hadoop-0.17.2.1/bin/../logs/hadoop-mithila-jobtracker-node01.out >> > [EMAIL PROTECTED]'s password: >> > localhost: starting tasktracker, logging to >> > >> > >> /home/mithila/hadoop-0.17.2.1/bin/../logs/hadoop-mithila-tasktracker-node01.out >> > localhost: Exception in thread "main" >> java.lang.ExceptionInInitializerError >> > localhost: Caused by: >> org.apache.commons.logging.LogConfigurationException: >> > User-specified log class 'org.apache.commons.logging.impl.Log4JLogger' >> > cannot be found or is not useable. >> > localhost: at >> > >> > >> org.apache.commons.logging.impl.LogFactoryImpl.discoverLogImplementation(LogFactoryImpl.java:874) >> > localhost: at >> > >> > >> org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:604) >> > localhost: at >> > >> > >> org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:336) >> > localhost: at >> > org.apache.commons.logging.LogFactory.getLog(LogFactory.java:704) >> > localhost: at >> > org.apache.hadoop.mapred.TaskTracker.<clinit>(TaskTracker.java:95) >> > localhost: Could not find the main class: >> > org.apache.hadoop.mapred.TaskTracker. Program will exit. >> > >> > AND when I tried formatting the file system I got the following >> exception.. >> > I followed Michael Noll s step to install Hadoop.. I m currently working >> on >> > a single node and if this works will move on to multiple nodes in a >> > cluster. >> > >> > [EMAIL PROTECTED] hadoop-0.17.2.1]$ bin/hadoop namenode -format >> > Exception in thread "main" java.lang.ExceptionInInitializerError >> > Caused by: org.apache.commons.logging.LogConfigurationException: >> > User-specified log class 'org.apache.commons.logging.impl.Log4JLogger' >> > cannot be found or is not useable. >> > at >> > >> > >> org.apache.commons.logging.impl.LogFactoryImpl.discoverLogImplementation(LogFactoryImpl.java:874) >> > at >> > >> > >> org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:604) >> > at >> > >> > >> org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:336) >> > at >> org.apache.commons.logging.LogFactory.getLog(LogFactory.java:704) >> > at org.apache.hadoop.dfs.NameNode.<clinit>(NameNode.java:88) >> > Could not find the main class: org.apache.hadoop.dfs.NameNode. Program >> > will >> > exit. >> > >> > >> > I have no idea whats wrong... my hadoop-xml file looks as follows: >> > >> > <?xml version="1.0"?> >> > <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> >> > >> > <!-- Put site-specific property overrides in this file. --> >> > >> > <configuration> >> > >> > <property> >> > <name>hadoop.tmp.dir</name> >> > <value>/tmp/hadoop-${user.name}</value> >> > <description>A base for other temporary directories</description> >> > </property> >> > >> > >> > <property> >> > <name>fs.default.name</name> >> > <value>hdfs://localhost:54310</value> >> > <description>The name of the default file system. A URI whose >> > scheme and authority determine the FileSystem implementation. The >> > URI's scheme determines the config property (fs.scheme.impl) naming >> > the FileSystem implementation class. The URI's authority is used to >> > determine the host, port, etc for a filesystem.</description> >> > </property> >> > >> > >> > <property> >> > <name>mapred.job.tracker</name> >> > <value>localhost:54311</value> >> > <description>The host and port that the MapReduce job tracker runs at. >> > If "local", then jobs are run in-process as a single map and >> > reduce task.</description> >> > </property> >> > >> > >> > <property> >> > <name>dfs.replication</name> >> > <value>1</value> >> > <description>Default block replication. >> > The actual number of replications can be specified when the file is >> > created. >> > The default is used if replication is not specified in create >> > time.</description> >> > </property> >> > "conf/hadoop-site.xml" 42L, 1271C >> > >> > >> > My hadoop-env.sh looks as follows: >> > >> > # 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/java/jdk1.6.0_10 >> > >> > # 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 >> > >> > "conf/hadoop-env.sh" 54L, 2236C >> > >> > Dont know what the exceptions mean.. Does anyone have an idea? >> > >> > THanks >> > Mithila >> > >> > >> > On Thu, Nov 20, 2008 at 6:42 AM, some speed <[EMAIL PROTECTED]> >> wrote: >> > >> > > Hi, >> > > >> > > I am working on the same for my master's project and i know how >> > frustrating >> > > it can be to get hadoop installed. >> > > If time is not a factor, I suggest you first try implementing it in a >> > > psuedo distributed environment. Once you understand how things work by >> > > implementing a simple map reduce program, u can easily move on to a >> > cluster. >> > > >> > > From what little i know, let me tell u a few things, >> > > >> > > I tried using the university network to install hadoop.. it was a real >> > > pain. mayb it was coz I didnt have the admin privileges( to install >> HDFS >> > n >> > > its files). so make sure u have admin rights or u keep getting an >> error >> > of >> > > port 22 (for ssh) being not opened or the demeons were not started. >> > > n btw is it conf/start-all.sh?? i think its bin/start -all.sh or >> > something >> > > of that sort. >> > > >> > > hadoop-site.xml -- i had the links bookmarked somewhere- cant find it >> > now >> > > but i think u are supposed to have a few more details in there for a >> > cluster >> > > installation. Am sure we can find those online quite easily. >> > > >> > > Also i suppose u are using java? if u are good at eclipse, then u can >> > > implement map reduce/hadoop thru that on a single node (just to get a >> > hang >> > > of it). >> > > >> > > All the best! >> > > >> > > >> > > >> > > >> > > >> > > >> > > >> > > >> > > >> > > On Wed, Nov 19, 2008 at 6:38 PM, Tom Wheeler <[EMAIL PROTECTED]> >> wrote: >> > > >> > >> On Wed, Nov 19, 2008 at 5:31 PM, Mithila Nagendra <[EMAIL PROTECTED]> >> > >> wrote: >> > >> > Oh is that so. Im not sure which UNIX it is since Im working with a >> > >> cluster >> > >> > that is remotely accessed. >> > >> >> > >> If you can get a shell on the machine, try typing "uname -a" to see >> > >> what type of UNIX it is. >> > >> >> > >> Alternatively, the os.name, os.version and os.arch Java system >> > >> properties could also help you to identify the operating system. >> > >> >> > >> -- >> > >> Tom Wheeler >> > >> http://www.tomwheeler.com/ >> > >> >> > > >> > > >> > >> > >
