in both the lines???i mean your hosts file should look something like this -
127.0.0.1 localhost 127.0.0.1 ubuntu.ubuntu-domain ubuntu # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters Regards, Mohammad Tariq On Fri, Jun 15, 2012 at 4:32 PM, soham sardar <[email protected]> wrote: > hey mohammad but its already 127.0.0.1 i guess > > > On Fri, Jun 15, 2012 at 4:24 PM, Mohammad Tariq <[email protected]> wrote: >> All looks fine to me..change the line "127.0.1.1" in your hosts file >> to "127.0.0.1" and see if it works for you. >> >> Regards, >> Mohammad Tariq >> >> >> On Fri, Jun 15, 2012 at 4:14 PM, soham sardar <[email protected]> >> wrote: >>> configuration in the sense i have given the following configs >>> >>> hdfs-site >>> >>> <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> >>> >>> core-site >>> >>> <property> >>> <name>hadoop.tmp.dir</name> >>> <value>/app/hadoop/tmp</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> >>> >>> and yarn-site >>> >>> <property> >>> <name>yarn.resourcemanager.resource-tracker.address</name> >>> <value>localhost:8031</value> >>> <description>host is the hostname of the resource manager and >>> port is the port on which the NodeManagers contact the Resource Manager. >>> </description> >>> </property> >>> >>> <property> >>> <name>yarn.resourcemanager.scheduler.address</name> >>> <value>localhost:8030</value> >>> <description>host is the hostname of the resourcemanager and port >>> is the port >>> on which the Applications in the cluster talk to the Resource Manager. >>> </description> >>> </property> >>> >>> <property> >>> <name>yarn.resourcemanager.scheduler.class</name> >>> >>> <value>org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler</value> >>> <description>In case you do not want to use the default >>> scheduler</description> >>> </property> >>> >>> <property> >>> <name>yarn.resourcemanager.address</name> >>> <value>localhost:8032</value> >>> <description>the host is the hostname of the ResourceManager and >>> the port is the port on >>> which the clients can talk to the Resource Manager. </description> >>> </property> >>> >>> <property> >>> <name>yarn.nodemanager.local-dirs</name> >>> <value></value> >>> <description>the local directories used by the nodemanager</description> >>> </property> >>> >>> <property> >>> <name>yarn.nodemanager.address</name> >>> <value>127.0.0.1:8041</value> >>> <description>the nodemanagers bind to this port</description> >>> </property> >>> >>> <property> >>> <name>yarn.nodemanager.resource.memory-mb</name> >>> <value>10240</value> >>> <description>the amount of memory on the NodeManager in GB</description> >>> </property> >>> >>> <property> >>> <name>yarn.nodemanager.remote-app-log-dir</name> >>> <value>/app-logs</value> >>> <description>directory on hdfs where the application logs are >>> moved to </description> >>> </property> >>> >>> <property> >>> <name>yarn.nodemanager.log-dirs</name> >>> <value></value> >>> <description>the directories used by Nodemanagers as log >>> directories</description> >>> </property> >>> >>> <property> >>> <name>yarn.nodemanager.aux-services</name> >>> <value>mapreduce.shuffle</value> >>> <description>shuffle service that needs to be set for Map Reduce >>> to run </description> >>> </property> >>> >>> is there i need to make any other changes ???? >>> >>> >>> On Fri, Jun 15, 2012 at 4:10 PM, Mohammad Tariq <[email protected]> wrote: >>>> Hi Soham, >>>> >>>> Have you mentioned all the necessary properties in the >>>> configuration files??Also make sure your hosts file is ok. >>>> >>>> Regards, >>>> Mohammad Tariq >>>> >>>> >>>> On Fri, Jun 15, 2012 at 3:53 PM, soham sardar <[email protected]> >>>> wrote: >>>>> hey friends !! >>>>> >>>>> I have downloaded the cdh4 tarballs and kept in a folder and try to >>>>> run the hadoop nodes and other subsequent tools >>>>> I have also set each of the home paths in my bashrc >>>>> >>>>> now the problem is >>>>> when i try >>>>> >>>>> >>>>> hadoop fs -ls >>>>> >>>>> >>>>> 12/06/15 15:51:35 INFO ipc.Client: Retrying connect to server: >>>>> localhost/127.0.0.1:54310. Already tried 0 time(s). >>>>> 12/06/15 15:51:36 INFO ipc.Client: Retrying connect to server: >>>>> localhost/127.0.0.1:54310. Already tried 1 time(s). >>>>> 12/06/15 15:51:37 INFO ipc.Client: Retrying connect to server: >>>>> localhost/127.0.0.1:54310. Already tried 2 time(s). >>>>> 12/06/15 15:51:38 INFO ipc.Client: Retrying connect to server: >>>>> localhost/127.0.0.1:54310. Already tried 3 time(s). >>>>> 12/06/15 15:51:39 INFO ipc.Client: Retrying connect to server: >>>>> localhost/127.0.0.1:54310. Already tried 4 time(s). >>>>> 12/06/15 15:51:40 INFO ipc.Client: Retrying connect to server: >>>>> localhost/127.0.0.1:54310. Already tried 5 time(s). >>>>> 12/06/15 15:51:41 INFO ipc.Client: Retrying connect to server: >>>>> localhost/127.0.0.1:54310. Already tried 6 time(s). >>>>> 12/06/15 15:51:42 INFO ipc.Client: Retrying connect to server: >>>>> localhost/127.0.0.1:54310. Already tried 7 time(s). >>>>> 12/06/15 15:51:43 INFO ipc.Client: Retrying connect to server: >>>>> localhost/127.0.0.1:54310. Already tried 8 time(s). >>>>> 12/06/15 15:51:44 INFO ipc.Client: Retrying connect to server: >>>>> localhost/127.0.0.1:54310. Already tried 9 time(s). >>>>> ls: Call From XPS-L501X/127.0.1.1 to localhost:54310 failed on >>>>> connection exception: java.net.ConnectException: Connection refused; >>>>> For more details see: http://wiki.apache.org/hadoop/ConnectionRefused >>>>> >>>>> >>>>> this is the error can someone help me as to why this error is occuring >>>>> ????????
