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Posted to commits@cassandra.apache.org by "Cyril Scetbon (JIRA)" <ji...@apache.org> on 2013/09/04 11:52:57 UTC
[jira] [Comment Edited] (CASSANDRA-4131) Integrate Hive support to
be in core cassandra
[ https://issues.apache.org/jira/browse/CASSANDRA-4131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13749442#comment-13749442 ]
Cyril Scetbon edited comment on CASSANDRA-4131 at 9/4/13 9:52 AM:
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Okay I'm using your code but I was using CassandraStorageHandler instead of CqlStorageHandler in the Hive DDL command :( Is there a documentation somewhere which describes how to use your driver ? I don't have any issue when I use CassandraStorageHandler with a cql2 table, but when I use CqlStorageHandler with a cql3 table I get :
java.io.IOException: java.lang.ClassCastException: org.apache.hadoop.io.MapWritable cannot be cast to org.apache.hadoop.io.WritableComparable
at org.apache.hadoop.hive.ql.exec.FetchOperator.getNextRow(FetchOperator.java:521)
FYI, I use Hadoop 1.2.1 (as Hadoop 2 is not supported) and tried with both hive 0.10.0 and 0.11.0. I also tried with Hadoop 0.20.2 as you use version 0.20.205.0 as a dependancy in the maven configuration file (pom.xml).
Any idea ?
You can find the complete trace at http://pastebin.com/0wCL3132
was (Author: cscetbon):
Okay I'm using your code but I was using CassandraStorageHandler instead of CqlStorageHandler in the Hive DDL command :( Is there a documentation somewhere which describes how to use your driver ? I don't have any issue when I use CassandraStorageHandler with a cql2 table, but when I use CqlStorageHandler with a cql3 table I get :
java.io.IOException: java.lang.ClassCastException: org.apache.hadoop.io.MapWritable cannot be cast to org.apache.hadoop.io.WritableComparable
at org.apache.hadoop.hive.ql.exec.FetchOperator.getNextRow(FetchOperator.java:521)
FYI, I use Hadoop 1.2.1 (as Hadoop 2 is not supported) and tried with both hive 0.10.0 and 0.11.0. Any idea ?
You can find the complete trace at http://pastebin.com/0wCL3132
> Integrate Hive support to be in core cassandra
> ----------------------------------------------
>
> Key: CASSANDRA-4131
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4131
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Jeremy Hanna
> Assignee: Edward Capriolo
> Labels: hadoop, hive
>
> The standalone hive support (at https://github.com/riptano/hive) would be great to have in-tree so that people don't have to go out to github to download it and wonder if it's a left-for-dead external shim.
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