If you check the log for hbase as said by Sergey Soldatov, you may find the problem as connection refused due to mismatch in the port for the master. you can check it in the site http://wiki.apache.org/hadoop/ConnectionRefused, as mentioned in the log file, this might help ... View more

I think you have extra white spaces/line breaks at the end of file. ... View more

1) metatool -listFSRoot email.input employee.input extrnl recharge.input txns1.txt aruna@aruna:~/hive_demo$ metatool -listFSRoot Initializing HiveMetaTool.. 17/02/28 14:07:46 INFO metastore.ObjectStore: ObjectStore, initialize called 17/02/28 14:07:46 INFO DataNucleus.Persistence: Property datanucleus.cache.level2 unknown - will be ignored 17/02/28 14:07:46 INFO DataNucleus.Persistence: Property hive.metastore.integral.jdo.pushdown unknown - will be ignored 17/02/28 14:07:58 INFO metastore.ObjectStore: Setting MetaStore object pin classes with hive.metastore.cache.pinobjtypes="Table,StorageDescriptor,SerDeInfo,Partition,Database,Type,FieldSchema,Order" 17/02/28 14:08:00 INFO DataNucleus.Datastore: The class "org.apache.hadoop.hive.metastore.model.MFieldSchema" is tagged as "embedded-only" so does not have its own datastore table. 17/02/28 14:08:00 INFO DataNucleus.Datastore: The class "org.apache.hadoop.hive.metastore.model.MOrder" is tagged as "embedded-only" so does not have its own datastore table. 17/02/28 14:08:08 INFO DataNucleus.Datastore: The class "org.apache.hadoop.hive.metastore.model.MFieldSchema" is tagged as "embedded-only" so does not have its own datastore table. 17/02/28 14:08:08 INFO DataNucleus.Datastore: The class "org.apache.hadoop.hive.metastore.model.MOrder" is tagged as "embedded-only" so does not have its own datastore table. 17/02/28 14:08:10 INFO metastore.MetaStoreDirectSql: Using direct SQL, underlying DB is DERBY 17/02/28 14:08:10 INFO metastore.ObjectStore: Initialized ObjectStore Listing FS Roots.. 2) hdfs getconf -nnRpcAddresses aruna@aruna:~/hive_demo$ hdfs getconf -nnRpcAddresses localhost:9000 ... View more

ok @Jay SenSharma . I did those things for all my questions ... View more

@Aruna, delete all files and directories in /home/aruna/hadoop-2.7.3/hadoop2_data/hdfs/datanode restart the cluster. Still if you are having problem, Please follow these steps 1. create the following directories in hadoop-2.7.3. name data 2. add the following lines in hdfs-site.xml <property> <name> dfs.namenode.name.dir </name> <value>file://home/aruna/hadoop-2.7.3/name</value> </property> <property> <name>dfs.datanode.data.dir</name> <value>file://home/aruna/hadoop-2.7.3/data</value> </property> 3. delete all log files in hadoop-2.7.3/logs 4. format namenode 5. start cluster Still you have problem reply with log files All the best ... View more

@Aruna Sameera, What is the error you get? Can you ls -l $HOME/.ssh/id-rsa.pub ? ... View more

@Aruna Sameera Have you configured passwordless ssh? Are you able to do ssh no? May be you can take a look at: "Configuring passphraseless SSH" : https://learninghadoopblog.wordpress.com/2013/08/03/hadoop-0-23-9-single-node-setup-on-ubuntu-13-04/ http://stackoverflow.com/questions/3663895/ssh-the-authenticity-of-host-hostname-cant-be-established . Also i will suggest you to open separate threads for different issues it makes us keeping the forum/community better by having specific query with a specific answer that helps users more than having many issues discussed as part of one single thread. . Also as the original issue that was asked as part of the original thread query is resolved hence please mark the correct answer as well. . ... View more