In installing hive if I use the driver that came with HDP the DB connection test fails , but if I use the older driver I have(don't know the version) the check succeeds . [root@hadoop1 resources]# pwd /var/lib/ambari-server/resources [root@hadoop1 resources]# ls -al mysql-connector-java.jar lrwxrwxrwx. 1 root root 64 May 22 14:56 mysql-connector-java.jar -> /var/lib/ambari-server/resources/mysql-connector-java-8.0.15.jar [root@hadoop1 resources]# ... View more

I am loading a phoenix table but in hbase this table row key is shown as hex values. how can I correct this to see the ASCII values ? that is the integer value sqlline version 1.1.8 0: jdbc:phoenix:localhost:2181:/hbase-unsecur> SELECT * FROM EXAMPLE; +--------+-------------+------------+ | MY_PK  | FIRST_NAME  | LAST_NAME  | +--------+-------------+------------+ | 12345  | John        | Doe        | | 67890  | Mary        | Jane       | +--------+-------------+------------+ 2 rows selected (0.053 seconds) Version 1.1.2.2.6.5.0-292, r897822d4dd5956ca186974c10382e9094683fa29, Fri May 11 08:01:42 UTC 2018 hbase(main):001:0> scan 'EXAMPLE'ROW                                              COLUMN+CELL \x80\x00\x00\x00\x00\x0009                      column=M:FIRST_NAME, timestamp=1551381906272, value=John \x80\x00\x00\x00\x00\x0009                      column=M:LAST_NAME, timestamp=1551381906272, value=Doe \x80\x00\x00\x00\x00\x0009                      column=M:_0, timestamp=1551381906272, value=x \x80\x00\x00\x00\x00\x01\x092                   column=M:FIRST_NAME, timestamp=1551381906272, value=Mary \x80\x00\x00\x00\x00\x01\x092                   column=M:LAST_NAME, timestamp=1551381906272, value=Jane \x80\x00\x00\x00\x00\x01\x092                   column=M:_0, timestamp=1551381906272, value=x2 row(s) in 0.2030 seconds ... View more

I have Hadoop classpath defined but when I use it as per documentation I am getting error [root@hadoop1 conf]# hadoop classpath /usr/hdp/2.6.5.0-292/hadoop/conf:/usr/hdp/2.6.5.0-292/hadoop/lib/*:/usr/hdp/2.6.5.0-292/hadoop/.//*:/usr/hdp/2.6.5.0-292/hadoop-hdfs/./:/usr/hdp/2.6.5.0-292/hadoop-hdfs/lib/*:/usr/hdp/2.6.5.0-292/hadoop-hdfs/.//*:/usr/hdp/2.6.5.0-292/hadoop-yarn/lib/*:/usr/hdp/2.6.5.0-292/hadoop-yarn/.//*:/usr/hdp/2.6.5.0-292/hadoop-mapreduce/lib/*:/usr/hdp/2.6.5.0-292/hadoop-mapreduce/.//*:/usr/jdk64/jdk1.8.0_112/lib/tools.jar:mysql-connector-java-5.1.17.jar:mysql-connector-java.jar:ojdbc6.jar:/usr/hdp/2.6.5.0-292/tez/*:/usr/hdp/2.6.5.0-292/tez/lib/*:/usr/hdp/2.6.5.0-292/tez/conf [root@hadoop1 conf]# [root@hadoop1 conf]# [root@hadoop1 conf]#  echo $JAVA_HOME /usr/jdk64/jdk1.8.0_112 [root@hadoop1 conf]# [root@hadoop1 conf]# javac -cp  `hadoop classpath`  TestHbaseTable.java TestHbaseTable.java:3: error: package org.apache.hadoop.hbase does not exist import org.apache.hadoop.hbase.HBaseConfiguration;                               ^ TestHbaseTable.java:4: error: package org.apache.hadoop.hbase does not exist import org.apache.hadoop.hbase.HColumnDescriptor;                               ^ TestHbaseTable.java:5: error: package org.apache.hadoop.hbase does not exist import org.apache.hadoop.hbase.HTableDescriptor;                               ^ TestHbaseTable.java:6: error: package org.apache.hadoop.hbase.client does not exist import org.apache.hadoop.hbase.client.HBaseAdmin;                                      ^ TestHbaseTable.java:12: error: cannot find symbol     HBaseConfiguration hconfig = new HBaseConfiguration(new Configuration());     ^   symbol:   class HBaseConfiguration   location: class TestHbaseTable TestHbaseTable.java:12: error: cannot find symbol     HBaseConfiguration hconfig = new HBaseConfiguration(new Configuration());                                      ^ ... View more

I can select a particular version from a table , but how can I select a range of versions ? e.g say I want to select all the rows from timestamp 1551108073557 to 1551108018724 ? hbase(main):005:0> scan 'PERSON',{NAME => 'student',VERSIONS => 5} ROW COLUMN+CELL r1 column=student:student_name, timestamp=1551108086986, value=John r1 column=student:student_name, timestamp=1551108073557, value=Mary r1 column=student:student_name, timestamp=1551108037609, value=Nancy r1 column=student:student_name, timestamp=1551108018724, value=Ram r1 column=student:student_name, timestamp=1551108002231, value=Sam 1 row(s) in 0.0190 seconds hbase(main):006:0> hbase(main):007:0* hbase(main):008:0* get 'PERSON','r1',{COLUMN => 'student', TIMESTAMP => 1551108018724} COLUMN CELL student:student_name timestamp=1551108018724, value=Ram ... View more

I am trying to create a file in hdfs via the knox command but i am getting error : $ curl -i -k -u admin:adminxxxx -X PUT 'https://localhost:8443/gateway/ftehdp/namenode/api/v1/tmp/README?op=CREATE' HTTP/1.1 404 Not Found Date: Tue, 27 Nov 2018 15:33:47 GMT Cache-Control: must-revalidate,no-cache,no-store Content-Type: text/html; charset=ISO-8859-1 Content-Length: 319 Server: Jetty(9.2.15.v20160210) <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/> <title>Error 404 </title> </head> <body> <h2>HTTP ERROR: 404</h2> <p>Problem accessing /gateway/ftehdp/namenode/api/v1/tmp/README. Reason: <pre> Not Found</pre></p> <hr /><i><small>Powered by Jetty://</small></i> </body> </html> ... View more