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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-7083) Authentication Support for CqlRecordWriter
Date Thu, 06 Nov 2014 18:25:36 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-7083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14200596#comment-14200596
] 

Brandon Williams commented on CASSANDRA-7083:
---------------------------------------------

Can you fix the code style problems? Brace on newline is missing in several places, and the
indentation is off everywhere.

> Authentication Support for CqlRecordWriter
> ------------------------------------------
>
>                 Key: CASSANDRA-7083
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7083
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Hadoop
>            Reporter: Henning Kropp
>            Assignee: Brandon Williams
>              Labels: authentication, pig
>             Fix For: 2.0.12
>
>         Attachments: auth_cql.patch
>
>
> The {{CqlRecordWriter}} seems not to support authentication. When the keyspace in Cassandra
is to set to use authentication our Pig job fails with, when credentials are provided using
the URI ('cql://username:password...):
> {code}
> java.lang.RuntimeException: InvalidRequestException(why:You have not logged in)
> 	at org.apache.cassandra.hadoop.cql3.CqlRecordWriter.(CqlRecordWriter.java:123)
> 	at org.apache.cassandra.hadoop.cql3.CqlRecordWriter.(CqlRecordWriter.java:90)
> 	at org.apache.cassandra.hadoop.cql3.CqlOutputFormat.getRecordWriter(CqlOutputFormat.java:76)
> 	at org.apache.cassandra.hadoop.cql3.CqlOutputFormat.getRecordWriter(CqlOutputFormat.java:57)
> 	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.getRecordWriter(PigOutputFormat.java:84)
> 	at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:553)
> 	at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:408)
> 	at org.apache.hadoop.mapred.Child.main(Child.java:170)
> Caused by: InvalidRequestException(why:You have not logged in)
> 	at org.apache.cassandra.thrift.Cassandra$execute_cql3_query_result.read(Cassandra.java:38677)
> 	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78)
> 	at org.apache.cassandra.thrift.Cassandra$Client.recv_execute_cql3_query(Cassandra.java:1597)
> 	at org.apache.cassandra.thrift.Cassandra$Client.execute_cql3_query(Cassandra.java:1582)
> 	at org.apache.cassandra.hadoop.cql3.CqlRecordWriter.retrievePartitionKeyValidator(CqlRecordWriter.java:332)
> 	at org.apache.cassandra.hadoop.cql3.CqlRecordWriter.(CqlRecordWriter.java:108)
> 	... 7 more
> {code}
> If not supplied in the URI but as only in the {{JobConf}} the exception is:
> {code}
> Output Location Validation Failed for: 'cql://...' More info to follow:
> InvalidRequestException(why:You have not logged in)
>         at org.apache.pig.newplan.logical.rules.InputOutputFileValidator$
> {code}
> Which let to the finding, that authentication is correctly supplied for {{CqlStorage}}
but not for the {{CqlRecordWriter}}.
> Maybe it would make sense to put the authentication part into {{ConfigHelper.getClientFromAddressList()}}?
Then in {{CqlStorage}} the username and password in the conf would need to be set from the
URI. If so the {{ConfigHelper}} has all the information to authenticate and already returns
the client.



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