Q&A BY TAG 'Hive'

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FK/PK constraints in Hive3
answered 13-08-2021 08:00:01 -0400

Hi denodo team i have a question about denodo and hive3. I heard that hive3 will be add into official support source database in next denodo updates. And will denodo collect releationships(PK/FK) automatically when create several base view from hive l...

Answers: 1

Hive Denodo and Hive

Mapping fail at scheduler
answered 28-04-2020 08:17:50 -0400

Hi , why scheduler job always extract columns name in upper case (not as column name exist at src mysql) ? 2 .after I make mapping to columns ( as src columns different to desination columns in case) at scheduler job which export data at hive ...er...

Answers: 1

Hive Job scheduler Denodo Scheduler 7.0 parameter mapping

java.lang.NoClassDefFoundError while trying to connect to hive
answered 03-03-2020 07:37:34 -0500

hello, i have a problem concerning connecting to hive database. i have denodo virtual dataPort version 7 and the quickstart cloudera vm with cloudera version 1.1 .0 but everytime i try to test the connection the following error appears Unable to es...

Answers: 1

Hive Access Denodo Express Hive Issue AWS HIVE JDBI Connection URI

From where can I install Apache Hive 2.0 JDBC Driver ?
answered 29-01-2020 18:35:19 -0500

Getting erorr: Unable to establish connection: The JDBC driver was not found. The Denodo Platform does not include the JDBC driver for this adapter. Copy the jar files of the driver to the folder "<DENODO_HOME>/lib-external/jdbc-drivers/hive-2.0...

Answers: 1

Hive apache hive hive 2.0

Error while fetching data from Hive using Denodo
answered 28-09-2018 05:38:08 -0400

Hi, We are unable to fetch records from hive tables using denodo.The Test conenction is working fine . For creating base view, we are able to select the database and the required table but when we go about executing ,it aborts with the below error. RK...

Answers: 1

Hive

Setting Hive parameter configuration in the query
answered 17-11-2017 03:15:42 -0500

Hi, We need more memory for some of our queries. The below commands was needed for hive: SET mapreduce.map.memory.mb=5120; SET mapreduce.map.java.opts=-Xmx4096M; SET mapreduce.reduce.memory.mb=8192; SET mapreduce.reduce.java.opts=-Xmx6554M; How ca...

Answers: 1

Hive

Connecting with Hive database in Cloudera distribution in VDP Denodo
answered 24-04-2017 16:23:15 -0400

Hi, I am trying to connect to Hive database in cloudera distribution with denodo installed on my local machine. I have database in hive and unable to configure the data source properties in VDP as it is asking for Credentials. Please provide me the ...

Answers: 3

cloudera Hive

Kerberos connection to Hive server is throwing error
answered 13-03-2017 11:56:15 -0400

Have added following below entries in vdpadmin.bat file to be taken during java command: -Dsun.security.krb5.debug=true -Djavax.security.auth.useSubjectCredsOnly=false -Djava.security.krb5.conf=C:\utility\conf\krb5.ini -Djava.security.auth.login.confi...

Answers: 1

Kerberos Hive JDBC Hive Hadoop krb5 keytab