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From "Naveen Gangam (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-14342) Beeline output is garbled when executed from a remote shell
Date Thu, 04 Aug 2016 20:56:20 GMT

     [ https://issues.apache.org/jira/browse/HIVE-14342?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Naveen Gangam updated HIVE-14342:
---------------------------------
    Attachment: HIVE-14342.patch

> Beeline output is garbled when executed from a remote shell
> -----------------------------------------------------------
>
>                 Key: HIVE-14342
>                 URL: https://issues.apache.org/jira/browse/HIVE-14342
>             Project: Hive
>          Issue Type: Bug
>          Components: Beeline
>    Affects Versions: 2.0.0
>            Reporter: Naveen Gangam
>            Assignee: Naveen Gangam
>         Attachments: HIVE-14342.patch
>
>
> {code}
> use default;
> create table clitest (key int, name String, value String);
> insert into table clitest values (1,"TRUE","1"),(2,"TRUE","1"),(3,"TRUE","1"),(4,"TRUE","1"),(5,"FALSE","0"),(6,"FALSE","0"),(7,"FALSE","0");
> {code}
> then run a select query
> {code} 
> # cat /tmp/select.sql 
> set hive.execution.engine=mr;
> select key,name,value 
> from clitest 
> where value="1" limit 1;
> {code}
> Then run beeline via a remote shell, for example
> {code}
> $ ssh -l root <remotehost.domain.com> "sudo -u hive beeline -u jdbc:hive2://localhost:10000
-n hive -p hive --silent=true --outputformat=csv2 -f /tmp/select.sql" 
> root@<remoteHost.domain.com>'s password: 
> 16/07/12 14:59:22 WARN mapreduce.TableMapReduceUtil: The hbase-prefix-tree module jar
containing PrefixTreeCodec is not present.  Continuing without it.
> nullkey,name,value                                     
> 1,TRUE,1
> null                                                   
> $
> {code}
> In older releases that the output is as follows
> {code}
> $ ssh -l root <remoteHost.domain.com> "sudo -u hive beeline -u jdbc:hive2://localhost:10000
-n hive -p hive --silent=true --outputformat=csv2 -f /tmp/run.sql" 
> Are you sure you want to continue connecting (yes/no)? yes
> root@<remoteHost.domain.com>'s password: 
> 16/07/12 14:57:55 WARN mapreduce.TableMapReduceUtil: The hbase-prefix-tree module jar
containing PrefixTreeCodec is not present.  Continuing without it.
> key,name,value
> 1,TRUE,1
> $
> {code}
> The output contains nulls instead of blank lines. This is due to the use of -Djline.terminal=jline.UnsupportedTerminal
introduced in HIVE-6758 to be able to run beeline as a background process. But this is the
unfortunate side effect of that fix.
> Running beeline in background also produces garbled output.
> {code}
> # beeline -u "jdbc:hive2://localhost:10000" -n hive -p hive --silent=true --outputformat=csv2
--showHeader=false -f /tmp/run.sql 2>&1 > /tmp/beeline.txt &
> # cat /tmp/beeline.txt 
> null1,TRUE,1                                           
> #
> {code}
> So I think the use of jline.UnsupportedTerminal should be documented but not used automatically
by beeline under the covers.



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